Sharp_Fax_Machine

UX-258TH

FO-475TH

CAUTION FOR BATTERY REPLACEMENT

(Danish)ADVARSEL !

Lithiumbatteri-Eksplosionsfare ved fejlagtig h??ndtering.

Udskiftning m?? kun ske med batteri af samme fabrikat og type.

Lev??r det brugte batteri tilbage til leverandoren.

(English)Caution !

Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the equipment manufacturer. Discard used batteries according to manufacturer???s instructions.

(Finnish)VAROITUS

Paristo voi r??j??ht????, jos se on virheellisesti asennettu.

Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin. H??vit?? k??ytetty paristo valmistajan ohjeiden mukaisesti.

de la batterie. Remplacer uniquement avec une batterie du m??me type ou d???un type recommand?? par le constructeur. Mettre au r??but les batteries usag??es conform??ment aux instructions du fabricant.

Anv??nd samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren.

Kassera anv??nt batteri enligt fabrikantens instruktion.

(German)Achtung

Explosionsgefahr bei Verwendung inkorrekter Batterien. Als Ersatzbatterien d??rfen nur Batterien vom gleichen Typ oder

vom Hersteller empfohlene Batterien verwendet werden.

Entsorgung der gebrauchten Batterien nur nach den vom

Hersteller angegebenen Anweisungen.

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[2] Operation panel

START/MEMORY

07 08

SPEAKER

09 10/POLL

This displays messages and prompts during operation and programming.

Use these keys to dial numbers, and enter number and letters during number/name storing procedures.

2.PANEL RELEASE

Pull this release toward you to open the operation panel.

3.RECEPTION MODE key

Press this key to select the reception mode. An arrow in the display will point to the currently selected reception mode.

4.FUNCTION key

Press this key to select various special function.

5.RESOLUTION key

Press this key to adjust the resolution and contrast before sending or copying a document.

6.VOLUME keys

Press these keys to adjust the volume of the speaker when the SPEAKER key has been pressed, or the volume of the ringer at all other times.

7.REC key

Press this key to record a phone conversation or a message.

8. REPEAT key

Press this key to repeat playback of a message.

9. PLAY/SKIP key

Press this key to play recorded messages. During playback, press it to skip forward to the next message.

10.DELETE key

Press this key to erase recorded messages.

11.REMINDER key

Press this key to send a fax and/or voice message to another party or to yourself at a preset time.

14. SPEED DIAL key

Press this key to dial a 2-digit Speed Dial number.

15.REDIAL key

Press this key to automatically redial the last number dialed.

16.SPEAKER key

Press this key to hear the line and fax tones through the speaker when sending a document, or dialing a voice number. Note: This is not a speakerphone. You must pick up the

handset to talk with the other party.

17.HOLD/SEARCH key

Press this key to search for an automatic dialing number, or, during a phone conversation, press this key to put the other party on hold.

18.Rapid Dial keys

Press one of these keys to dial a fax or voice number automatically. (Note that you must attach the Rapid Key labels.)

19.START/MEMORY key

Press this key to send or receive a document manually when off hook.

20.COPY/HELP key

When a document is in the feeder, press this key to make a copy. At any other time, press this key to print out the Help List, a quick refernce guide to the opeation of your fax.

12.STOP key

Press this key to stop operations before they are completed.

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[3] Transmittable documents

1. Document Sizes

Use document carrier sheet for smaller documents.

*With special sizes, only one sheet can be fed into the machine at a time. Insert next page into feeder as current page is being scanned.

2. Paper Thickness & Weight

3. Document Types

???Normal paper

Documents handwritten in pencil (No. 2 lead or softer), fountain pen, ball-point pen, or felt-tipped pen can be transmitted.

Documents of normal contrast duplicated by a copying machine can also be transmitted.

???Diazo copy (blue print)

Diazo copy documents of a normal contrast may be transmitted.

???Carbon copy

A carbon copy may be transmitted if its contrast is normal.

4. Cautions on Transmitting Documents

???Documents written in yellow, greenish yellow, or light blue ink cannot be transmitted.

???Ink, glue, and correcting fluid on documents must be dry before the documents can be transmitted.

???All clips, staples and pins must be removed from documents be-fore transmission.

???Patched (taped) documents should be copied first on a copier and then the copies used for transmission.

???All documents should be fanned before insertion into the feeder to prevent possible double feeds.

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5. Automatic Document Feeder Capacity

Number of pages that can be placed into the feeder at anytime is as follows:

Normal size: max. ADF 10 sheets

Special size: single sheet only (manual feed)

NOTES: ??? When you need to send or copy more pages than the feeder limit, place additional pages in feeder when last page in feeder is being scanned.

???Place additional pages carefully and gently in feeder.

If force is used, double-feeding or a document jam may result.

6.Readable Width & Length

The readable width and length of a document are slightly smaller than the actual document size.

Note that characters or graphics outside the effective document scan- ning range will not be read.

??? Readable width

210 mm, max.

Readable width

??? Readable length

This is the length of the document sent minus 4 mm from the top and bottom edges.

4mm

Readable length

4mm

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7. Use of Document Carrier Sheet

A document carrier sheet must be used for the following documents.

???Those with tears.

???Those smaller than size 140 mm (W) x 140 mm (L).

???Carbon-backed documents

Make print straight across paper E.G.

Place the document carrier in the document feeder with the clear film side down

Direction of insertion

NOTE: To transmit a carbon-backed document, insert a white sheet of paper between the carbon back of the document and the docu- ment carrier.

???Those containing an easily separable writing substance (e.g., trac- ing paper written on with a soft, heavy lead pencil).

NOTES: ??? When using the document carrier, carefully read the in- structions written on the back.

???If the document carrier is dirty, clean it with a soft, moist cloth, and then dry it before using for transmission.

???Do not place more than one document in the carrier at a time.

[4]Installation

1. Site selection

Take the following points into consideration when selecting a site for this model.

ENVIRONMENT

???The machine must be installed on a level surface.

???Keep the machine away from air conditioners, heaters, direct sun- light, and dust.

???Provide easy access to the front, back, and sides of the machine. In particular, keep the area in front of the machine clear, or the original document may jam as it comes out after scanning.

???The temperature should be between 5?? and 35??C.

???The humidity should be between 30% and 85% (without conden- sation).

ELECTRICITY

220-240 V, 50 Hz, earthed (2-prong) AC outlet is required.

Caution!

???Connection to a power source other than that specified will cause damage to the equipment and is not covered under the warranty.

???If your area experiences a high incidence of lightning or power surges, we recommend that you install a surge protector for the power and telephone lines. Surge protectors can be purchased at most telephone specialty stores.

If the machine is moved from a cold to a warm place...

If the machine is moved from a cold to a warm place, it is possible that the reading glass may fog up, preventing proper scanning of documents for transmission. To remove the fog, turn on the power and wait approxi- mately 2 hours before using the machine.

TELEPHONE JACK

A standard telephone jack must be located near the machine.

This is the telephone jack commonly used in most homes and offices.

???Plugging the fax machine into a jack which is not an jack may result in damage to the machine or your telephone system. If you do not know what kind of jack you have, or needed to have one installed, contact the telephone company.

2. Connections

1Connect the handset as shown and place it on the handset rest.

???Make sure the handset cord goes into the unmarked jack on the side of the machine!

???Use the handset to make ordinary phone calls, or to transmit and receive documents manually.

2Plug the power cord into a 220-240 V, 50 Hz, earthed (2-prong) AC outlet.

???Caution: Do not plug the power cord into any other kind of outlet. This will damage the machine and is not covered under the warranty.

Note: The shape of the plug is different in certain countries.

???The machine does not have a power on/off switch, so the power is turned on and off by simply plugging or unplugging the power cord.

Note: If your area experiences a high incidence of lightning or power surges, we recommend that you install surge protectors for the power and telephone lines. Surge protectors can be purchased from your dealer or at most telephone specialty stores.

3Insert one end of the telephone line cord into the "TEL. LINE" jack.

Insert the other end into a standard (RJ11C) single-line telephone wall jack.

???Be sure to insert the telephone line cord into the "TEL. LINE" jack. Do not insert into the "TEL. SET" jack.

TEL

SET. TEL

LINE.

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3. Original document support

1Rotate the original document support so that it points straight out.

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3Unwrap the roll of fax paper and place it in the compartment.

???Important: The roll must be placed so that the leading edge of the paper unrolls as shown. (The paper is only coated on one side for printing. If the roll is placed backwards, the paper will come out blank after printing.)

NO!

YES

4.Loading the fax paper

???Your fax machine prints incoming faxes on a special kind of paper called thermal paper.

???The fax???s print head creates text and images by applying heat to the thermal paper.

Note: The power must be on (plug in the power cord) when loading fax paper in the fax machine.

1Pull the release marked PANEL RELEASE toward you and open the operation panel.

2Remove the packing paper from the paper compartment.

Remove cardboard and tape

4Insert the leading edge of the paper into the paper inlet. Continue to push the paper through the inlet until it comes out of the opening in the front of the fax.

Paper inlet

The paper will reappear here. Make sure it is aligned between the arrows on each side of the guide, and then passes under the plate and out the front of the fax.

5Close the operation panel, making sure it clicks into place.

Click!

6A short length of the fax paper will feed out and be cut off. (If this doesn???t happen, repeat the loading procedure.)

Note: The fax has a built-in anti-curl mechanism that will help to reduce paper curling problems. The anti-curl mechanism is more effective at the beginning of the paper roll and less effective towards the end.

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4. Clearing a jammed document

If the original document doesn???t feed properly during transmission or copying, or DOCUMENT JAMMED appears in the display, first try press- ing the START/MEMORY key. If the document doesn???t feed out, open the operation panel and remove it.

Important: Do not try to remove a document without opening the op- eration panel. This may damage the feeder mechanism.

1Pull the release marked PANEL RELEASE toward you and open the operation panel.

2Remove the document.

5. Clearing jammed fax paper

1Pull the release marked PANEL RELEASE toward you and open the operation panel.

3 Cut off the wrinkled part of the paper.

4Reload the paper.

???Jammed fax paper is often caused by improper loading. Be sure to carefully follow the instructions for paper loading given in "Load- ing the Fax Paper" in page 1-5.

5If the display still shows PAPER JAMMED

If the display still shows PAPER JAMMED after you press the START/ MEMORY key in Step 2 above, the cutter is still engaged in the cutting position. To open the cutter, turn the fax up on its rear end and insert any long, rod-like object with a flat or blunt end into the hole marked CUTTER RESET. Continue to push the rod in until you feel it move a lever inside the machine.

CUTTER

RESET

2Remove the paper roll.

???If any pieces of paper are stuck in the cutter, remove them with caution.

???Press the START/MEMORY key to reset the cutter.

Press either key repeatedly to select one of the following symbols.

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CHAPTER 2. ADJUSTMENTS

[1] Adjustments

General

Since the following adjustments and settings are provided for this model, make adjustments and/or setup as necessary.

1. Adjustments

Adjustments of output voltage (FACTORY ONLY)

1.Install the power supply unit in the machine.

2.Set the recording paper and document.

3.When the document is loaded, power is supplied to the output lines. Confirm that outputs are within the limits below.

Output voltage settings

CNLIUACNPW

CONTROL PWB

2. IC protectors replacement

ICPs (IC Protectors) are installed to protect the motor driver circuit. ICPs protect various ICs and electronic circuits from an overcurrent con- dition.

The location of ICPs are shown below:

FU100

CONTROL PWB (TOP SIDE)

(1)FU100 (ICP-S07) is installed in order to protect IC???s from an over- current generated in the motor drive circuit. If FU100 is open, replace it with a new one.

3. Settings

(1) Dial mode selector

DIAL mode (Soft Switch No. SWB4 DATA No. 3)

4.Method of release of starting lock up by Battery Reset

(1) Summary

There is a possibility of release of the lock up by reset the signal BATRST of CPU (FC100), if it lock up when you turn on the power of the set in UX-258 series. We inform you of the method of release.

(2) Contents

When you turn on the power of the set without EPROM by your mistake, if you turn off the power after, turn on the power with EPROM again, the set don???t start.

In this case, before you judge the cpu (FC100) is wrong, you need to confirm the release of the lock up by reset the signal BATRST. and unknown origin in the same way.

Method of the reset of signal BATRST

Short the between leads of the capacitor C5 on the control PWB, X2961-81 in the state of POWER OFF.

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3. Diagnostic items description

3. 1. Soft switch mode

Used to change the soft switch settings.

The soft switch which is stored internally is set by using the keys.

The available soft switches are SW-A1 to SW-L2.

The content of soft switches is shown in page 2-5 to 2-16.

The contents are set to factory default settings.

3. 2. ROM & RAM check

ROM executes the sum check, and RAM executes the matching test.

The result will be notified with the number of short sounds of the buzzer as well as by printing the ROM & RAM check list.

Number of short sounds of buzzer 0 ??? No error

1 ??? ROM error

2 ??? RAM error (32Kbyte)

3. 3. Aging mode

If any document is first present, copying will be executed sheet by sheet. If no document is present, the check pattern will be printed sheet by sheet. This operation will be executed at a rate of one sheet per 5min- utes, and will be ended at a total of 10 sheets.

3. 4. Panel key test

The mode is used to check whether each key operates properly or not. Press the key on the operation panel, and the key will be dis- played on the display. Therefore, press all keys. At this time, finally press the STOP key.

When the STOP key is pressed, the keys which are not judged as

"pressed" will be printed on the result list.

???LED port of the contact image sensor (CIS) is kept on during the term from when start of the panel test mode to end with the STOP key.

3. 5. Check pattern mode

This mode is used to check the status of print head. Two sheets of check pattern are printed. The following information of check pattern is printed.

1 Vertical stripes (alternate white and black lines) Approx. 35 mm

RANK 0 or 1

Note:

There is a selection RANK 0 or 1 depending on resistance value of the thermal head. RANK 0 or RANK 1 is printed at the tail of check pattern to identify.

3. 6. Signal send mode

The mode is used to send various signals to the circuit during FAX com- munication. Every push of START key sends a signal in the following sequence. Moreover, the signal sound is also output to the speaker when the line monitor of the soft switch is on.

[1]No signal (CML signal turned on)

[2]9600bps

[3]7200bps

[4]4800bps

[5]2400bps

[6]300bps (FLAG)

[7]2100Hz (CED)

[8]1100Hz (CNG)

[9]END

3.7. Memory clear mode

This mode is used to clear the backup memory and reset to the default settings.

3. 8. Shading mode

The mode is used for the shooting compensation. For reading, set up the special original paper.

The shooting compensation memorizes the reference data of white and black for reading.

Moreover, the memorized data is not erased even if memory clear mode is executed.

3. 9. All black mode

The mode is used to check the state of the printing head and inten- tionally overheat it. Whole dots are printed over the interval of 2 m. If it is overheated or the printing sheet is jammed, press STOP key for the end.

3. 10. Auto feeder mode

In this mode, a document is inserted and discharged to check the auto feed function.

After this mode is started, set a document, and the document feed will be automatically tested.

3. 11. Entry data send

The mode is used to send the registered data to the other machine and make the other machine copy the registered content.

Before sending in this mode, it is necessary to set the other machine at the entry data receive mode.

The sent content is as follows. After printing is completed, the following lists are printed.

1.Telephone list data

2.Sender register data

3.Optional setting content

4.Soft switch content

5.Junk fax number list

6.Timer reservation data (only on the model which timer reserva- tion is possible)

7.Recording setting list data

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3. 12. Entry data receive

In this mode, the registered data sent from the other machine are re- ceived and the received data are registered in the own machine. When this mode is used for receiving, the other machine must be in the entry data send mode.

After receiving is completed, the following lists are printed.

1.Telephone list data

2.Sender register data (The passcode No. is also printed if the poling function is provided.)

3.Optional setting list

4.Soft switch content

5.Junk fax number list

6.Timer reservation list (only model which timer communication is possible)

7.Recording setting list data

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3. 13. Flash memory check

Data writing/read of flash memory is checked, and the result (OK/NG) is printed.

3. 14. Flash memory clear

All data of flash memory is cleared.

The result of clear (OK/NG) is printed.

4. How to make soft switch setting

To enter the soft switch mode, make the following key entries in sequence.

S F T SW-A2 = 0 0 0 0 0 0 0 0

S F T SW-L2 = 0 0 0 0 0 0 0 0

Press FUNCTION key.

Press key.

Bit1 - 8 are set.

Press START key during setting.

Soft SW-A2 - SW-L2 are set.

To finish the settings halfway between SW-A1 and SW-L2, press the STOP key. In this case, the setting being done to the SW No. on display will be nullified while settings done to the preceding SW Nos. remain in effect.

When the COPY key is pressed, the contents of soft switches are printed.

The soft switch mode is terminated.

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??? Soft switch function description

SW-A1 No. 1 Protect from echo

Used to protect from echo in reception.

SW-A1 No. 2 Forced 4800BPS reception

When line conditions warrant that receptions take place at 4800 BPS repeatedly.

It may improve the success of receptions by setting at 4800BPS.

This improve the receiving document quality and reduces handshake time due to fallback during training.

SW-A1 No. 3 Footer print

When set to "1", the date of reception, the sender machine No., and the page No. are automatically recorded at the end of reception.

SW-A1 No. 4 Length limitation of copy/send/receive

Used to set the maximum page length.

To avoid possible paper jam, the page length is normally limited to 0.6 meter for copy or transmit, and 1.5 meters for receive.

It is possible to set it to "No limit" to transmit a long document, such as a computer print form, etc. (In this case, the receiver must also be set to no limit.)

SW-A1 No. 5 CSI transmission

(CSI TRANSMISSION) is a switch to set whether the machine sends or does not send the signal (CSI signal) informing its own telephone No. to the remote fax. machine when information is received. When "nonsending" is set, the telephone No. is not output on the remote trans- mitting machine if the remote transmitting machine has the function to display or print the telephone No. of receiving machine, using this CSI signal.

SW-A1 No. 6 DIS receive acknowledgment during G3 transmission

Used to make a choice of whether reception of DIS (NSF) is acknowl- edged after receiving two DISs (NSFs) or receiving one DIS (two NSFs). It may be useful for overseas communication to avoid an echo sup- pression problem, if set to 1.

SW-A1 No. 7 Non-modulated carrier for V29 transmission modem

Though transmission of a non-modulated carrier is not required for trans- mission by the V29 modem according to the CCITT recommendation, it may be permitted to a send non-modulated carrier before the image signal to avoid and echo suppression problem. It may be useful for over- seas communication to avoid an echo suppression problem, if set to 1.

SW-A1 No. 8 EOL (End Of Line) detect timer

Used to make a choice of whether to use the 25-second or 13-second timer for detection of EOL.

This is effective to override communication failures with some facsimile models that have longer EOL detection.

SW-A2 No. 1 ~ No. 4 Modem speed

Used to set determine the initial modem speed. The default is 9600BPS. It may be necessary to program it to a slower speed when frequent line fallback is encountered, in order to save the time required for fallback procedure.

SW-A2 No. 5 Sender???s information transmit

(SENDER???S INFORMATION TRANSMISSION) is a switch to set the function to print the content of HEADER PRINT described in the passcode list at the front end of receiver???s original when original is sent to the remote machine.

If this switch is set to "NO", the HEADER PRINT is not output at the receiving machine.

SW-A2 No. 6 H2 mode

Used to determine reception of H2 mode (15 sec transmission mode).

When set to OFF, H2 mode reception is inhibited even though the trans- mitting machine has H2 mode function.

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SW-A2 No. 7 Communication error treatment in RTN sending mode (Reception)

Used to determine communication error treatment when RTN is sent by occurrence of a received image error in G3 reception. When it is set to

"1", communication error is judged as no error.

SW-A2 No. 8 CNG transmission

When set to "0" , this model allows CNG transmission by pressing the Start key in the key pad dialing mode. When set to "1", CNG transmis- sion in the key pad dialing mode cannot be performed. In either case, CNG transmission can be performed in the auto dial mode.

SW-A3 No. 1, No. 2 CED tone signal interval

For international communication, the 2100Hz CED tone may act as an echo suppression switch, causing a communication problem.

Though SW-A3 No. 1 and No. 2 are normally set to 0, it should be changed this time between the CED tone signal to eliminate the communication problem caused by echo.

TX RX

CED

DIS

SW-A3 No. 3 MR Coding

Used to select the MR coding enable or disable.

SW-A3 No. 4 ~ No. 8 Reserved

Set to "0".

SW-A4 No. 1 ~ No. 5 Signal transmission level

Used to control the signal transmission level in the range of-0dB to- 31dB.

The factory setting is at -8dB (MODEM output).

SW-A4 No. 6 Protocol monitor (Error print)

If set to "1", protocol is printed at communication error.

SW-A4 No. 7 Protocol monitor

Normally set to "0". If set to "1", communication can be checked, in case of troubles, without using a G3 tester or other tools.

When communication FSK data transmission or reception is made, the data is taken into the buffer. When communication is finished, the data is analyzed and printed out. When data is received with the line monitor (SW-A4 No. 8) set to "1" the reception level is also printed out.

SW-A4 No. 8 Line monitor

Normally set to "0". If set to "1", the transmission speed and the recep- tion level are displayed on the LCD. Used for line tests.

SW-A5 No. 1, No. 2 Digital line equalization setting (Reception)

Line equalization when reception is to be set according to the line char- acteristics.

Setting should be made according to distance between the telephone and the telephone company central switching station.

SW-A5 No. 3 ~ No. 6 Reserved

Set to "0".

SW-A5 No. 7 Error criterion

Used to select error criterion for sending back RTN when receiving im- age data.

SW-A5 No. 8 Anti junk fax check

When use the Anti junk fax function, set to "1".

SW-A6 No. 1 Auto gain control (MODEM)

When this mode is enabled, if the reception signal level is under 31dBm. The modem itself controls the signal gain automatically.

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SW-A6 No. 2 End buzzer

Setting this bit to 0 will disable the end buzzer (including the error buzzer/ on-hook buzzer).

SW-A6 No. 3 Disconnect the line when DIS is received in RX mode

Bit1= 0: When DIS signal is received during RX mode, disconnected the line is immediately.

Bit1= 1: When DIS signal is received during RX mode, wait the next signal.

SW-A6 No. 4 Equalizer freeze control (MODEM)

This switch is used to perform reception operation by fixing the equal- izer control of modem for the line which is always in unfavorable state and picture cannot be received.

*Usually, the control is executed according to the state of line where the equalizer setting is changed always.

SW-A6 No. 5 Equalizer freeze control 7200BPS only

Setting which specifies SW-A3 No. 6 control only in the condition of

7200BPS modem speed.

SW-A6 No. 6 CNG transmission in manual TX mode

When set to "1", fax transmit the CNG signal in case of manual trans- mission mode (User press the START key after waiting the fax answer- ing signal from handset or speaker).

SW-A6 No. 7 Initial compression scheme for sharp fax in TX mode

When set to "0", if the other fax is Sharp model, fax transmit the docu- ment by H2 mode. When set to "1", even if the other fax is Sharp model, fax transmit the document by MR mode.

SW-A6 No. 8 Reserved

Set to "0".

SW-B1 No. 1 ~ No. 4 Recall interval

Choice is made for a redial interval for speed and rapid dial calls.

Used a binary number to program this. If set to 0 accidentally, 1 will be assumed.

SW-B1 No. 5 ~ No. 8 Recall times

Choice is made as to how many redials should be.

SW-B2 No. 1 Dialing pause (sec/pause)

Pauses can be inserted between telephone numbers of direct dial con- nection. Selection of 4 sec or 2 sec pause is available.

SW-B2 No. 2, No. 3 Reserved

Set to "0".

SW-B2 No. 4 Busy tone detection (after auto dial)

Used to set YES/NO of busy tone detection after auto dialing.

SW-B2 No. 5 Waiting time after dialing

This is waiting time for the opponent???s signals after dialing.

When set to "0", waiting time is 45 sec.

When set to "1", waiting time is 90 sec.

SW-B2 No. 6 ~ No. 8 Reserved

Set to "0".

SW-B3 No. 1 ~ No. 7 Reserved

Set to "0".

SW-B3 No. 8 Hold function

Used to set YES/NO of holding function by the HOLD key.

SW-B4 No. 1 Auto dial mode Delay timer of before line connect

Delay time between the dial key input and line connection under the auto dial mode.

DIALLING

0 : 0sec

1 : 3sec

SW-B4 No. 2 Auto dial mode Delay timer of after line connect

Delay time between the line connection and dial data output under the auto dial mode.

DIAL DATA

0 : 3 sec

1 : 3.6 sec

SW-B4 No. 3 Dial mode

When using the pulse dial, set to 0. When using the tone dial, set to 1. SW-B4 No. 4 Pulse ??? Tone change function by key

When setting to 1, the mode is changed by pressing the key from the pulse dial mode to the tone dial mode.

SW-B4 No. 5 Dial pulse make/break ratio (%)

When using the 33 % make ratio pulse dial, set to "0". When using the 40 % make ratio pulse dial, set to "1".

SW-B4 No. 6 ~ No. 8 Reserved

Set to "0".

SW-B5 No. 1 ~ No. 5 DTMF signal transmission level (Low)

The transmission level of DTMF signal is adjusted. (lower frequency)

00000: 0dBm

???

11111: -15.5dBm (-0.5dBm x 31)

SW-B5 No. 6 ~ No. 8 Reserved

Set to "0".

SW-B6 No. 1 ~ No. 5 DTMF signal transmission level (High)

The transmission level of DTMF signal is adjusted. (higher frequency)

00000: 0dBm

???

11111: -15.5 dBm (-0.5dBm x 31)

SW-B6 No. 6 ~ No. 8 Reserved

Set to "0".

SW-C1 No. 1, No. 2 Reading slice (Binary)

Used to determine the set value of reading density in standard/fine mode. The standard setting is "00" (Factory setting is "00")

SW-C1 No. 3, No. 4 Reading slice (Half tone)

Used to determine the set value of reading density in half tone mode.

The standard setting is "00" (Factory setting is "00")

SW-C1 No. 5 Line density selection

Used to set the transmission mode which is automatically selected when the Resolution key is not pressed. In the copy mode, however, the fine mode is automatically selected unless the Resolution key is manually set to another mode.

SW-C1 No. 6 Reserved

Set to "0".

SW-C1 No. 7 MTF correction in half tone mode

This allows selection of MTF correction (dimness correction) in the half tone mode.

When "NO" (=1) is selected, the whole image becomes soft and mild. On the contrary, however, clearness of characters will be reduced. Nor- mally set to "YES" (=0).

SW-C1 No. 8 Reserved

Set to "0".

2 ??? 13

SW-D1 No. 1 ~ No. 4 Number of rings for auto receive

When the machine is set in the auto receive mode, the number of rings before answering can be selected. It may be set from one to nine rings using a binary number. Since the facsimile telephone could be used as an ordinary telephone if the handset is taken off the hook, it should be programmed to the user???s choice. If the soft switch was set to 1, direct connection is made to the facsimile. If a facsimile calling beep was heard when the handset is taken off the hook, press the START key and put the handset on the hook to have the facsimile start receiving. If it was set to 0 accidentally, receive ring is set to 1.

NOTE: If the machine is set to answer after a large number of rings, it may not be able to receive faxes successfully. If you have diffi- culty receiving faxes, reduce the number of rings to a maximum of 5.

SW-D1 No. 5 Automatic switching manual to auto receive mode

This soft switch is used to select whether the machine should switch to the auto receive mode after 5 rings in the manual receive mode or re- main in the same way as SW-D1 No. 1, No. 2, No. 3 and No. 4 "0"1"0"1"(5 rings).

SW-D1 No. 6 ~ No. 8 Reserved

Set to "0".

SW-D2 No. 1 ~ No. 5 Reserved

Set to "0".

SW-D2 No. 6, No. 7 CI off detection timer (Distinctive ring setting off only)

Set the minimum time period of CI signal interruption which affords to be judged as a CI OFF section.

400msec2000msec

SW-D2 No. 8 Reserved

Set to "0".

SW-E1 No. 1 Tel/Fax Automatic switching mode

Used to set auto TEL/FAX switching mode or to set the normal fax mode.

SW-E1 No. 2, No. 3 Pseudo ringing time at the phone/fax automatic switching mode

Choice is made as to how long to rumble the dummy ringer on TEL/FAX automatic switching mode.

SW-E1 No. 4 Number of CNG signal detection at the phone/fax automatic switching mode

Used for detection of CNG in one tone or two tones in the TEL/FAX automatic switching mode.

SW-E1 No. 5 CNG detect time at TEL/FAX mode

The switch which sets the time from the start of CNG detection to the end of detection.

SW-E1 No. 6 ~ No. 8 Reserved

Set to "0".

SW-E2 No. 1 ~ No. 4 Pseudo ringer sound output level to the line

Used to adjust sound volume of pseudo ringer to the line (ring back tone) generated on selecting TEL/FAX. Setting is the reduce level from

-5 dBm output level.

SW-E2 No. 5 ~ No. 8 Reserved

Set to "0".

SW-F1 No. 1, No. 2 DTMF detect time

Used to set detect time of DTMF (Dual Tone Multi Frequency) used in remote reception (5 ).

The longer the detect time is, the less the error detection is caused by noises.

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SW-F1 No. 3 Protection of remote reception (5 ) detect

Used to set the function of remote reception (5 ). When set to "1", the remote reception function is disabled.

SW-F1 No. 4 Remote reception with GE telephone

(Corresponding to TEL made by GE) P. B. X.

"1": Compatible with TEL mode by GE

"0": Not compatible

???When sending (5 ) for remote reception with a GE manufac- tured telephone remote reception may not take place because of special specifications in their DTMF.

To overcome this, a soft SW is provided to change the modem set- ting to allow for remote reception.

???If this soft SW is set to "1", other telephone sets may be adversely affected.

SW-F1 No. 5 ~ No. 8 Remote operation code figures by external TEL (0 ~ 9)

Remote operation codes can be changes from 0 through 9. If set to

SW-F2 No. 1 CNG detection in STAND-BY mode

When setting to "1", the CNG signal detection function during standby stops.

SW-F2 No. 2, No. 3 Number of CNG detect (AM mode)

Used for detection of CNG in 1 to 4 pulses.

SW-F2 No. 4, No. 5 Number of CNG (STAND-BY mode)

Used for detection of CNG in 1 to 4 pulses.

SW-F2 No. 6 Fax signal detection after telephone mode dial

When set to "1", if machine detect the fax answering signal after tel- ephone calling (handset off-hook or speaker mode dial), machine start to receive the documents automatically.

SW-F2 No. 7, No. 8 Reserved

Set to "0".

SW-G1 No. 1 ~ No. 8 Reserved

Set to "0".

SW-G2 No. 1 ~ No. 8 Reserved

Set to "0".

SW-G3 No. 1 ~ No. 8 Reserved

Set to "0".

SW-H1 No. 1 Busy tone detection ON/OFF time (Lower duration)

The initial value of detection is set according to electric condition.

The set value is changed according to the local switch board. (Erro- neous detection of sound is reduced.)

Normally the upper limit is set to 900msec, and the lower limit to 150msec.

If erroneous detection is caused by sound, etc., adjust the detection range.

The lower limit can be set in the range of 350msec to 150msec.

SW-H1 No. 2 Busy tone detection ON/OFF time (Upper duration)

Similarly to SW-H1 No. 1, the set value can be varied.

The upper limit can be set in the range of 650msec to 900msec.

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SW-H1 No. 3 Reserved

Set to "0".

SW-H1 No. 4 Busy tone continuous sound detect time

Set detecting time busy tone continuous sound for 5 seconds or 10 sec- onds.

SW-H1 No. 5 Busy tone detect continuation sound detect during

OGM

Used to detect the continuous tone of specific frequency during OGM output.

SW-H1 No. 6 Busy tone detect continuation sound detect during

ICM

Used to detect the continuous tone of specific frequency during ICM recording.

SW-H1 No. 7 Busy tone detect intermittent sound detect during

OGM

Used to detect the intermitten tone of specific frequency during OGM output.

SW-H1 No. 8 Busy tone detect intermittent sound detect during

ICM

Used to detect the intermittent tone of specific frequency during ICM recording.

SW-H2 No. 1, No. 2 Busy tone detection pulse number

Used to set detection of Busy tone intermittent sounds.

SW-H2 No. 3 Fax switching when A.M. full

If the answering machine???s memory (tape) is full and there is no re- sponse, the machine automatically switches to Fax reception.

SW-H2 No. 4 Busy tone detect continuation sound detect frequency

Set detecting frequency of busy tone continuation sound for 320 ~ 570 Hz or 320 ~ 460 Hz.

SW-H2 No. 5 ~ No. 8 Reserved

Set to "0".

SW-I1 No. 1, No. 2 ICM recording time

Used to select the incoming message recording time among 15sec/ 30sec/60sec/4min.

SW-I1 No. 3, No. 4 A.M. quiet time 1

Used to select four kinds of no sound time (2 sec ~ 5 sec) after reception in the T. A. D mode until OGM is output.

2 sec~ 5 sec ( SW-I1No. 3, No. 4)

SW-I1 No. 5, No. 6 A.M. quiet time 2

Used to select four kinds of no sound time (0 sec ~ 3 sec) after OGM output the T. A. D mode until ICM recording is started.

0 sec~3 sec (SW-I1 No. 5, No. 6)

SW-I1 No. 7 key input buzzer on/off switch (Two way recording mode)

Used to turn ON/OFF key input buzzer in the TWO-WAY recording mode.

SW-I1 No. 8 Reserved

Set to ???0???.

SW-I2 No. 1 ~ No. 5 A.M. quiet detect time

Used to set no sound time (0 sec - 32 sec) during the T. A. D. mode operation.

SW-I2 No. 6, No. 7 Reserved

Set to ???0???.

SW-I2 No. 8 Alarm during two way recording

When set to ???1???, alarm sound is given to remote side during two way recording.

SW-I3 No. 1 Max OGM record time

Used to select the maximum OGM recording time (1 = 15 sec, 0 = 60 sec).

SW-I3 No. 2 Reserved

Set to ???0???.

SW-I3 No. 3 Two way record function

If this switch is set to ???1???, machine doesn???t work two way recording function.

SW-I3 No. 4 Toll saver

Used to turn on the toll saver function. If it is off, the reception frequency in the AM mode is identical with that in the FAX mode.

SW-I3 No. 5, No. 6 Reserved

Set to ???0???.

SW-I3 No. 7 BOX selection to record ICM

This switch is selection to digit of BOX selection code (DTMF code).

1-digit: Input of box number (1-3)

2-digit: Input of box number (01-03)

Note: In case of 1-digit, the DTMF code can be accepted for 4 seconds from the beginning of ICM.

2 digit

OGM/ICM

SW-I3 No. 8 Transfer dial recall

If this switch is set to ???1???, machine disable redial in Transfer function.

SW-I4 No. 1 ~ No. 4 AGC maximum gain (Line) (10~25dBm)

Gain. The AGC Maximum Gain should average energy of the message with the lowest average energy to the AGC Energy Reference Level.

SW-I4 No. 5 ~ No. 8 AGC maximum gain (Mic) (10~25dBm)

The AGC Maximum Gain limits the gain applied by the AGC. Message with average energy below the AGC Energy Reference Level will have their average energy level increased by no more than the AGC Maximum Gain. The AGC Maximum Gain should average energy of the message with the lowest average energy to the AGC Energy Reference Level.

SW-I5 No. 1 ~ No. 4 AGC eref access code (Line) (-0~-30dBm with 2dBm step)

The AGC Energy Reference Level controls the playback level. Any message having average speech energy above the energy reference level has its playback level attenuated, and any level has its playback level increased. If the playback level is too high (low), then decreasing (increasing) the AGC energy Reference level will achieve the desired level.

SW-I5 No. 5 ~ No. 8 AGC eref access code (Mic) (-0~-30dBm with 2dBm step)

2 ??? 15

SW-I6 No. 1 ~ No. 4 AGC gain adaptation threshold (Line) (-40~-70dBm with 2dBm step)

The AGC adjusts the amount of gain applied to the incoming message only when the average energy exceeds the AGC Gain Adaptation Threshold. The AGC Gain Adaptation Threshold prevents message background noise from corrupting the gain provided that the AGC Gain Adaptation Threshold is greater than the background noise energy. In the event that a message has background noise energy greater than the AGC Gain Adaptation Threshold, the AGC Gain can be no greater than the AGC Maximum Gain. Note that the AGC Gain Adaptation Threshold must always be greater than the RPACS VOX Turn-On

Threshold).

SW-I6 No. 5 ~ No. 8 AGC gain adaptation threshold (Mic) (-40~-70dBm with 2dBm step)

Adaptation Threshold is greater than the background noise energy. In the event that a message has background noise energy greater than the AGC Gain Adaptation Threshold, the AGC Gain can be no greater than the AGC Maximum Gain. Note that the AGC Gain Adaptation

Threshold must always be greater than the RPACS VOX Turn-On Threshold.

SW-I7 No. 1, No. 2 AGC slew rate (Line)

The AGC Slew Rate controls the convergence of the message playback level to the desired playback level. A large slew rate will allow faster convergence and a small slew rate will allow slower convergence.

SW-I7 No. 3, No. 4 AGC slew rate (Mic)

SW-I7 No. 5 FAX BOX function

FAX BOX function YES/NO is set.

Input(dB)

RPACS AGC Parameter operation envelope

SW-I7 No. 6 Frequency of voice detection after REMINDER dialing

When reminder calling, machine will detect the voice signal and start to send the reminder voice message. This switch is used to select the voice detecting frequency range.

When set to "0", machine detect the 800 ~ 1200 Hz as voice.

When set to "1", machine detect the 800 ~ 1400 Hz as voice.

SW-I7 No. 7, No. 8 Voice detection time after REMINDER dialing

This switch is used how long time coming voice frequency is judged as voice.

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SW-J1 No. 1, No. 2 Reserved

Set to "0".

SW-J1 No. 3 Sender???s phone number setting

Used to make a choice of whether the registered sender???s phone number can be changed or not. If the switch is set to "1", new registration of the sender???s phone number is disabled to prevent accidental wrong input.

SW-J1 No. 4 ~ No. 6 Reserved

Set to "0".

SW-J1 No. 7, No. 8 Ringer volume

Used to adjust ringing volume.

SW-J2 No. 1, No. 2 Reserved

Set to "0".

SW-J2 No. 3 Polling key

If this switch is set to 1, the last of Rapid key works as polling key.

SW-J2 No. 4, No. 5 Reserved

Set to "0".

SW-J2 No. 6 ~ No. 8 Speaker volume (5 stages)

Used to adjust sound volume from a speaker.

SW-J3 No. 1, No. 2 Reserved

Set to "0".

SW-J3 No. 3, No. 4 Communication result printout (Transaction re- port)

It is possible to obtain transaction results after each communication. Normally, the switch is set (No. 1: 0, No. 2: 0) so that the transaction report is produced only when a communication error is encountered. If No. 1 was set to 1 and No. 2 to 0, the transaction report will be produced every time a communication is done, even if the communication was successful.

Setting No. 1 to 1 and No. 2 to 1 will disable this function. No transaction report printed.

SW-J3 No. 5 ~ No. 8 Reserved

Set to "0".

SW-K1 No. 1 Entering DIAG mode by pressing SPEED key

A bit which is used in the production process only. When the SPEED key is pressed, the switch is changed from the stand-by state to the DIAG mode.

SW-K1 No. 2 ~ No. 8 Reserved

Set to "0".

SW-L1 No. 1 ~ No. 5 OGM/ICM output level

Used to control OGM and ICM output level.

SW-L1 No. 6 ~ No. 8 Reserved

Set to "0".

SW-L2 No. 1 ~ No. 8 Reserved

Set to "0".

2 ??? 16

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[3] Troubleshooting

Refer to the following actions to troubleshoot any of problems mentioned in 1-4.

[1]A communication error occurs.

[2]Image distortion produced.

[3]Unable to do overseas communication.

[4]Communication speed slow due to FALLBACK.

???Increase the transmission level SOFT SWITCH A4-1, 2, 3, 4, 5. May be used in case [1] [2] [3].

???Decrease the transmission level SOFT SWITCH A4-1, 2, 3, 4, 5. May be used in case [3].

???Apply line equalization SOFT SWITCH A5-1, 2.

May be used in case [1] [2] [3] [4].

???Slow down the transmission speed SOFT SWITCH A2-1, 2, 3, 4. May be used in case [2] [3].

???Replace the TEL/LIU PWB. May be used in all cases.

???Replace the control PWB. May be used in all cases.

*If transmission problems still exist on the machine, use the following format and check the related matters.

Countermeasure

**** Please attach the G3 data and activity report on problem. ****

* Please complete this report before calling the ???TAC??? hotline if problem still occurs.

2 ??? 17

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CHAPTER 3. MECHANISM BLOCKS

[1] General description

1. Document feed block and diagram

Separator rubber

Paper feed spring

Rear roller A/B

Transfer roller

Document

Paper feed roller

CIS

Pinch roller

Fig. 1

2. Document feed operation

1)The document placed in the hopper actuates the document sensor. After one second, the pulse motor starts to drive the paper feed roller. The document is automatically taken up into the machine, and stopped at the document sensor.

2)When a specified number of pulses are received from the document sensor after the document lead edge is sensed, scanning is started.

3)When a specified number of pulses are received from the document sensor after the document rear edge is sensed, scanning is termi- nated and the document is fed through.

4)If the document sensor is active (i.e., another document is in the hopper), when the preceding document scanning is completed and it is fed out, the next document is taken up into the machine. If the document sensor is not active (i.e., there is no document in the hop- per), when the document is fed out, the operation is terminated.

3. Hopper mechanism

3-1. General view

Fig. 2

The hopper is used to align documents with the document guides ad- justed to the paper width.

NOTE: Adjust the document guide after setting up the document.

3-2. Automatic document feed

1)Use of the paper feed roller and separation rubber plate ensures er- ror-free transport and separation of documents. The plate spring presses the document to the paper feed roller to assure smooth feed- ing of the document.

2)Document separation method: Separation rubber plate

Document

Paper feed roller

Fig. 3

3-3. Documents applicable for automatic feed

NOTE: Double-side coated documents and documents on facsimile re- cording paper should be inserted manually. The document feed quantity may be changed according to the document thickness.

Documents corresponding to a paper weight heavier than 64.3kg (74.3g/ m2 ) and lighter than 135kg (157g/m2 ) are acceptable for manual feed.

Documents heavier than 135kg in terms of the paper weight must be duplicated on a copier to make it operative in the facsimile.

3-4. Loading the documents

1)Make sure that the documents are of suitable size and thickness, and free from creases, folds, curls, wet glue, wet ink, clips, staples and pins.

2)Place documents face down in the hopper.

i)Adjust the document guides to the document size.

ii)Align the top edge of documents and gently place them into the hopper. The first page under the stack will be taken up by the feed roller to get ready for transmission.

NOTES: 1) Curled edge of documents, if any, must be straighten out.

2)Do not load the documents of different sizes and/or thicknesses together.

Fig. 4

3 ??? 1

3-5. Documents requiring use of document carrier

1)Documents smaller than B6 (128mm x 182mm).

2)Documents thinner than the thickness of 0.06mm.

3)Documents containing creases, folds, or curls, especially those whose surface is curled (maximum allowable curl is 5mm).

4)Documents containing tears.

5)Carbon-backed documents. (Insert a white sheet of paper between the carbon back and the document carrier to avoid transfer of carbon to the carrier.)

6)Documents containing an easily separable writing material (e.g., those written with a lead pencil).

7)Transparent documents.

8)Folded or glued documents.

Document in document carrier should be inserted manually into the feeder.

4. Document release

4-1. General

When the release lever is pulled by hand in the direction of arrow, the latch is released and the upper document guide moves on its axis in the derection of the arrow. The feed rollers, the separation rubber plate, and the pinch rollers become free to make it possible to remove the docu- ment.

4-2. Cross section view

Operation panel unit

Scanner frame unit

PWB case unit

Lower cabinet

Fig. 5

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5. Recording block

5-1. General view

RECORDING BLOCK (NON CUTTER MODEL)

Scanner frame

Thermal head

Paper guide upper

Recording paper

Paper support

Platen roller

RECORDING BLOCK (CUTTER MODEL)

Scanner frame

Thermal head

Recording paper

Paper support

Fig. 6

5-2. Driving

Via the pulse motor gear shaft, the reduction gear, and the recording paper feed gear, rotation of the pulse motor is conveyed to the recording paper feed roller to feed the recording paper.

5-3. Recording

Use of a thermal head permits easier maintenance and low operating costs.

1) Thermal head

The thermal head consists of 1728-dot heat elements arranged in a sin- gle row and has the resolution of 8 dots/mm. The maximum recording speed is 10ms/line. The thermal head also incorporates a 1728-dot shift register latch and output control driver circuit. Low power consumption is achieved by dividing the head into nine segments.

2) Structure of the recording mechanism

Recording is accomplished by pressing the thermal head on the record- ing paper against the platen roller.

The main scan (horizontal) is electronically achieved, while the subscan (vertical) is achieved by moving the recording paper by the recording platen roller.

Usually, the cause for uneven print tone is caused by misalignment of the thermal head or uneven contact with the roller.

It can be checked in the following manner.

1)Check if the thermal head power and signal cables are properly routed.

2)Check that the thermal head pivot moves smoothly up and down.

3)Check that the thermal head support bracket is secured without any play.

4)Check to see that the recording platen roller has proper concentricity, in the case of a print tone variation evenly repeated down the page.

5)Replace the thermal head with a new one and check to see if the same trouble occurs.

3 ??? 2

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3 Operation panel unit and scanner frame

Parts list (Fig. 3)

Hook

Mount the CIS unit by inserting a screw- driver between the scanner frame and CIS support and turning it (the same method on the left and right sides).

Screwdriver

Hook

3 2

CIS support 11 ,13

Stopper plate

Fig. 3

3 ??? 5

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9 Drive frame

Parts list (Fig. 9)

WHITE

Lock the

A MOTOR 1 by this rib

SECTION : A-A

19 2

11 , 14

Grease

GREEN

16 12

23 13

3 4 6

Hook be doing

lock22 10

GEAR attachment boss

Fig. 9

3 ??? 11

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CHAPTER 5. CIRCUIT DESCRIPTION

[1] Circuit description

1. General description

The compact design of the control PWB is obtained by using ROCK- WELL fax engine in the main control section and high density printing of surface mounting parts. Each PWB is independent according to its func- tion as shown in Fig. 1.

2. PWB configuration

TEL/LIU

PWB

CONTROL

PWB

LCD

PWB

POWER

SUPPLY

PWB

PANEL

3. Operational description

Operational descriptions are given below:

PWB

AC CORD

TX/RX

MOTOR

Fig. 1

1) Control PWB

The control PWB controls peripheral PWBs, mechanical parts, trans- mission, and performs overall control of the unit.

This machine employs a 1-chip modem (R96V24) which is installed on the control PWB.

2) TEL/LIU PWB

This PWB controls connection of the telephone line to the unit.

3) Power supply PWB

This PWB provides voltages of +5V and +24V to the other PWBs.

4) Panel PWB

The panel PWB allows input of the operation keys.

5) LCD PWB

This PWB controls the LCD display.

5 ??? 1

[2] Circuit description of control PWB

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2) 27C020 (IC8): pin-32 DIP (ROM)

EPROM of 2Mbit equipped with software for the main CPU.

1. General description

Fig. 2 shows the functional blocks of the control PWB, which is com- posed of 4 blocks.

MODEM

BLOCK

3) W24257S-70LL (IC7): pin-28 SOP (SRAM)

Line memory for the main CPU system RAM area and coding/decoding process. Used as the transmission buffer.

Memory of recorded data such as daily report and auto dials. When the power is turned off, this memory is backed up by the lithium battery.

4) KM29N040T (IC9): pin-44 TSOP (FLASH MEMORY)

A 512??8bit NAND FLASH MEMORY to store the voice and image data when using memory functions.

Fig. 2 Control PWB functional block diagram

2. Description of each block

(1) Main control block

The main control block is composed of ROCKWELL 1 chip fax engine

(FC200), ROM (256KByte), RAM (32KByte) and FLASH MEMORY

(512KByte).

Devices are connected to the bus to control the whole unit.

1) FC200 (IC2) : pin-144 QFP (FC200)

The FAXENGINE Integrated Facsimile Controllers.

FC200, contains an internal 8 bit microprocessor with an external 16

Mbyte address space and dedicated circuitry optimized for facsimile image processing and facsimile machine control and monitoring.

MIRQN

A[23:0]

D[7:0]

RDN

WRN

ROMCSN

CSN[1:0]

MCSN

SYNC

REGDMA

WAITN

RASN

CASN[1:0]

DWRN

TONE

GPIO[0]

GPIO[1]/SASTXD GPIO[2]/SASRXD GPIO[3]/SASCLK

GPIO[4]

GPIO[5]/SSCLK2

GPIO[6]/SSTXD2

GPIO[7]/SSRXD2

GPIO[8]/FWRN

GPIO[9]/FRDN

GPIO[10]/SSSTAT2

GPIO[11]/BE/SERINP

GPIO[12]/CS2N

GPIO[13]/CS3N

GPIO[14]/CS4N

GPIO[15]/CS5N

GPIO[16]/IRQ8

GPIO[17]/IRQ5N

GPIO[18]/IRQ9N

GPIO[19]/RDY/SEROUT

GPIO[20]/ALTTONE

SM[3:0]/GPO[7:4]

PM[3:0]/GPO[3:0]

START

CLK1

CLK1N CLK2

VIDCTL0/FCS1N

VIDCTL1/FCS2N

MC24 CPU CONTROL IF

MC24 MEGACELL(8BIT DATA,24BIT ADDRESS)

GENERAL I/O

TONE/MODTONE

GPIOINTERNAL CPU BUS

AUTOBAUD

SYNC-ASYNC SASIF

SYNC SERIF 2

FLASH MEMORY IF

AUTOBAUD

OPO[7]/GPO[15]

WRPROTN

SYSCLK

TSTCLK

DEBUGN

RESETN

XIN

XOUT

PWRDWNN

BATRSTN

SEE "OPIF

OUTPUTS"

BELOW

SEE "OPIF

INPUTS"

BELOW

THADIN

PCLK

PDAT

PLAT

STRB[3:0]

STRBPOL

5 ??? 2

(4) Modem (R96V24) block

INTRODUCTION

The Rockwell R96V24 MONOFAX ?? facsimile modem family provides 9600 bps half-duplex capability with options supporting DigiTalk??? voice and ADPCM audio codecs, DigiTalk??? full-duplex speakerphone, and V.23 full-duplex. The modem models are identified in Table.

These functions are supplied in a single VLSI device or two-device set (for speakerphone). The MDP (modem data pump) is packaged in a 100-pin PQFP. The MDP contains an internal integrated analog codec (IIA) and is pin-compatible with the R96V24 MONOFAX modems.

This device family enables cost-effective development of a common fac- simile machine design with digital answering machine and/or full-duplex speakerphone.

The modem can operate at 9600, 7200, 4800, 2400, or 300 bps, and can perform HDLC framing per T.30 at all rates. A programmable DTMF detector, three programmable tone detectors, and Caller ID demodulator are provided.

The DigiTalk??? V24 voice coder/decoder (codec) compresses voice at an average rate of 2.9 kbps or at a fixed rate of 4.7 kbps with near toll quality playback. An average rate of 2.9 kbps provides 24 minutes of stored voice messages in 4 Mbits of memory. This voice codec allows the host controller to efficiently store and playback digital incoming mes- sages (ICMs) and outgoing messages (OGMs).

The ADPCM audio codec compresses audio signals (e.g., music/voice) at 32 kbps or 24 kbps for highest fidelity coding and reproduction. Selectable error correction coding allows storage in audio grade RAMs (ARAMs). Echo cancellation techniques employed during playback al- low DTMF and tone detection during voice/audio codec operation to support user selectable features. The coder can record messages from either the IIA or XIA. Dual/single tone transmission is available when the decoder is disabled.

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FEATURES

???Group 3 facsimile transmission/reception

???ITU-T V.29, V.27 ter, T.30, V.21 Channel 2, T.4

???HDLC framing at all speeds

???Receive dynamic range: 0 dBm to ???43 dBm

???Automatic adaptive equalization

???Fixed and programmable digital compromise equalization

???V.27 ter short train

???V.21 channel 2

???DTMF detect and tone detect

???Caller ID reception

???Compromise equalizer

???DigiTalk??? voice codec

???24 minutes of voice storage per 4 Mbit memory

???Near toll quality voice recording and playback

???Programmable AGCs

???Error correction coding allows ARAM usage

???DTMF detect, tone detect, and tone transmit

???Pitch synchronized fast and slow playback

???Near-end echo cancellation

???ADPCM audio codec

???High fidelity recording and playback of audio signals

???32 kbps and 24 kbps

???Programmable AGC

???DTMF detect, tone detect, and tone transmit

???Near-end echo cancellation

???8-bit or 16-bit high quality audio mode transmission/reception

5 ??? 6

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[3] Circuit description of TEL/LIU PWB

(1) TEL/LIU block operational description

1) Block diagram

CML

GAIN-C

TXCONT

2) Circuit description

The TEL/LIU PWB is composed of the following 7 blocks.

1.Speech circuit section

2.Dial transmission section

3.Speaker amplifier section

4.Ringer circuit section

5.Externally connected TEL OFF HOOK detection circuit

6.CI detection circuit

7.Signal/DTMF transmission level & receiving level

Fig. 5

3) Block description

1.Speech circuit section

???The receiver volume is an electronic volume type, this model is switch in 2 steps.

2.Dial transmission section

???D.P. transmission: The CML relay is turned on and off for control in the DP calling system. (Refer to the attached sheet.)

???DTM transmission: It is formed in the modem, and is output.

3.Speaker amplifier section

???The volume of the ringer sound/speaker sound is controlled with 3-bit signal of VOLA, VOLB and VOLC, and the sound switch is controlled with BZ CONT.

4.Ringer circuit section

???The ringer sound is formed in the tone of 1-chip engine when CI signal is detected. The amplifier circuit drives the speaker of the main body.

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UX-258TH

FO-475TH

[4] Circuit description of power supply PWB

2-1. Noise filter circuit

The input noise filter section is composed of L and C, which reduces normal mode noise from the AC line and common mode noise to the AC line.

2-2. Rectifying/smoothing circuit

The AC input voltage is rectified by diode D1, 2, 3, 4 and smoothed by capacitor C5 to supply DC voltage to the switching circuit section.

Power thermistor TH1 suppresses inrush current at power switch-on.

Photo Coupler

Fig. 7

The overcurrent protection is performed by bringing Q1 to OFF state through detection of voltage increase in the auxiliary winding of T1 by ZD2 and R9.

The overvoltage protection is performed by operating the overcurrent protection circuit through destruction of zener diode ZD4 and short- circuiting of load.

2-4. +5V circuit

Each DC voltage supplied by rectifying the output of transformer T1 with diode D8 is stabilized by 3-terminal regulator IC1.

2-3. Switching circuit

This circuit employs the self excited ringing choke convertor (RCC) sys- tem. In this system, the DC voltage supplied from the rectifying/smooth- ing section is converted into high frequency pulses by ON/OFF repeti- tion of MOS FET Q1.

Energy is charged in the primary winding of T1 during ON period of Q1, and discharged to the secondary winding during OFF period.

The output voltage is controlled by adjusting ON period of Q1 which changes charge time of C9 through operation of photo-coupler PC1 from

+24V output.

2-5. VTH circuit

VTH output is supplied through the relay RY1. Relay RY1 is operated by VTH-ON signal.

[5] Circuit description of CIS unit

1. CIS

Cis is an image sensor which puts the original paper in close contact with the full-size sensor for scanning, being a monochromatic type with the pixel number of 1,728 dots and the main scanning density of 8 dots/mm.

It is composed of sensor, rod lens, LED light source, light-conductive plate, control circuit and so on, and the reading line and focus are previously adjusted as the unit.

Due to the full-size sensor, the focus distance is so short that the set is changed from the light weight type to the compact type.

2. Waveforms

The following clock is supplied from FC200 of the control board, and VO is output.

5ms

Fig. 8

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