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Ricoh FAX RF01F Service Manual
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Ricoh FAX RF01F Service Manual

Ricoh FAX RF01F Service Manual

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RICOH FAX RF01F/RF02F
RICOH FAX240F
SERVICE MANUAL
FAX240F
FAX RF01F
FAX RF02F
Copyright © 1992, Ricoh Company Ltd., Japan
Subject to change

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Summary of Contents for Ricoh FAX RF01F

  • Page 1 RICOH FAX RF01F/RF02F RICOH FAX240F SERVICE MANUAL FAX240F FAX RF01F FAX RF02F Copyright © 1992, Ricoh Company Ltd., Japan Subject to change...
  • Page 2 1. INTRODUCTION 1-1. General Specifications Item Specification Type Desktop transceiver Telephone Circuit PSTN/PABX Document Size Width: 148 - 218 mm Length: 105 - 600 mm Thickness: 0.05 - 0.15 mm Scanning Method Flat bed, CCD 216 ± 1 mm Scanning Width Effective Printing Width 210 mm (minimum) Scan Resolution...
  • Page 3 1-2. Features LIst Features RF01F RF02F FAX240F Transmission Automatic transmission Manual transmission ADF capacity Automatic Contrast Control Polling transmission Send later Dial via dialpad Quick dial (one touch) Speed dial (two touch) Automatic redial Manual redial Label programming for Quick/Speed dials Page indicator CSI + P.1 Page indicator TTI + P.1 or P.1/10 Automatic page retransmission in normal tx mode...
  • Page 4 Features RF01F RF02F FAX240F Rejected Call Report in Authorized Reception Stored document list Power failure report SAF features (9 pages memory) SAF capacity in kbytes Memory transmission Serial broadcasting Substitute reception Forwarding (1 number) File confirmation/clearance Automatic page retransmission in memory tx Remaining memory indication on LCD (during scanning) Group dial Telephone features...
  • Page 5 1-3. Detailed Features Description 1-3-1. Auto Select Mode There are three reception modes, AUTO, TAM and FAX, one of which which can be programmed in the Auto Select key on the operation panel using function 04 ‘‘SET FAX SWITCH’’. AUTO mode allows the machine to capture the line without any rings being heard by the users. Then, the machine starts to detect CNG for about 30 s while sending back ring-back tone or AVM (Artificial Voice Message) in one or two languages selected by the user.
  • Page 6 2-1. Exterior 2-1-1. Component Layout 1. Handset Cradle This contains a hook switch and a ringer. 2. Telephone Handset This contains a micro- phone and an earphone. 3. ADF Up to 5 pages can be fed automatically. 4. Operation Panel Refer to section 2-1-2.
  • Page 7 2-1-2. Operation Panel - RF01F RICOH FAX RF01F Stop Power Communicating Caution Detail Copy Halftone Replace Paper Auto Select Fine Start On-Hook Dial Name Function Power indicator Lights when the power is switched on. Communicating indicator Blinks during fax communication.
  • Page 8 2-1-3. Operation Panel - RF02F/FAX240F Power RICOH FAX 240F Memory Receive Speed Dial File 11:22 DIAL NUMBER Check Display THEN INSERT DOCUMENT Replace Pause Paper Stop Auto Select Redial Function Copy Clear Detail Fine Start < > On Hook Dial...
  • Page 9 Name Function Memory key Press to use memory transmission. Stop key Press to stop the machine and return it to standby mode. Copy key Press to copy the document now in the feeder. Start key Press to start sending or receiving a fax message. The keys with an asterisk * can be used for making a telephone call if the main power is switched off.
  • Page 10 2. PROGRAMMING, TESTING, AND PRINTING REPORTS - RF01F 2-1. USER LEVEL PROGRAMMING 2-1-1. Programming Sheet 0 1 2 3 4 5 6 7 8 9 0 + YOUR FAX NUMBER PROGRAMMING SHEET 1ST DIGIT * * * SCANNING DIRECTION 2ND DIGIT ATTENTION - ONLY ONE MARK PER LINE 3RD DIGIT EMPTY LINE MEANS NO CHANGE...
  • Page 11 6. After scanning, the machine will print out the new settings. CURRENT SETTINGS SENT FAX REPORT: REPORT LANGUAGE: FAX SWITCH MODE: AUTO VOICE PROMPT LANGUAGE: SECOND VOICE PROMPT: NONE FAXSWITCH AUTO MODE RING TIME (SEC): TAM AUTO ANSWER RING COUNT: TAM SILENCE DETECTION TIME (SEC): YOUR FAX NUMBER: +44 1 12345678...
  • Page 12 2-2. SERVICE LEVEL OPERATION 2-2-1. Entering and Exiting Service Mode ENTERING SERVICE MODE Press Start → Stop → Start → Stop → Start sequentially within 3 seconds. The machine enters the service mode, then the main menu is printed. SERVICE MODE: TO SELECT AN ITEM PRESS "COPY"...
  • Page 13 2-2-2. Check Hardware HARDWARE TEST: 1:MODEM 2:LED 3:SCANNER 4:PRINTER 1. Modem Test To enter modem test mode, enter the "Hardware Test" mode, press Copy once, then press Start. The "Modem Test" menu will be printed. MODEM FREQUENCY TEST: 1:NONE 2:9600 3:7200 4:4800 5:2400...
  • Page 14 If you press Copy, the data in the preceding 100(H) range will be printed. If you press Start, the data in the next 100(H) range will be printed. 3. Service Report To print the service report, enter the "Print Reports" mode, press Copy three times, then press Start. The service report contains the last 5 error communication records and the last 10 error codes.
  • Page 15 4. NCU Parameter Programming To enter this mode, enter the "Change Settings" menu, press Copy four times, then press Start. The entry menu will be printed. NCU 0:00001111/0F 1:00110001/31 2:00000001/01 ------------------ 5:00001111/0F SET NCU PARAMETER : ENTER 3 ADDRESS BITS: COPY=0 START=1 The upper line of the menu shows the current parameter settings.
  • Page 16 8. Back-to-back Mode To enter this mode, enter the "Change Settings" menu, press Copy seven times in, then press Start. The following instruction will be printed. SET BACK-TO-BACK MODE - 1:ON 2:OFF Select the required setting by pressing Copy one or two times, then press Start. BACK-TO-BACK MODE IS ON Then the machine will return to the "Change Settings"...
  • Page 17 3. PROGRAMMING, TESTING, AND PRINTING REPORTS - RF02F/FAX240F 3-1. USER LEVEL PROGRAMMING Function List Function Brief Explanation Quick Dial Programming Use to program a telephone number and a label in each Quick Dial key. Speed Dial Programming Use to program a telephone number and a label in each Speed Dial code.
  • Page 18 3-2. SERVICE LEVEL OPERATION 3-2-1. Entering and Exiting Service Mode ENTERING SERVICE MODE Press Start → Stop → Start → Stop → Start sequentially within 3 seconds. After entering service mode, the following service functions are available. Function Brief Explanation Functions 30 to 38 are mainly prepared for factory use.
  • Page 19 3-2-2. RAM Test (Function 30) 1. Enter the service mode (see section 3-2-1). 2. Press Function, enter 30, then press SET. 3. The machine starts to check the SRAM and the two DRAMs without clearing any RAM data stored. If the RAM test succeeded, the machine prints ‘‘RAM TEST OK’’, and goes to the Key Test. If the RAM test failed, the machine displays ‘‘RAM ERROR AT ##AAAA’’...
  • Page 20 3-2-6. Speaker Test (Function 34) 1. Enter the service mode (see section 3-2-1). 2. Press Function, enter 34, then press SET. 3. The machine emits a tone from the speaker until OK or ERROR is pressed. Press the ‘‘>’’ key to switch be- tween the two different volume levels.
  • Page 21 3-2-11. Factory Adjustment (Function 40) 1. Enter the service mode (see section 3-2-1). 2. Press Function, enter 40, then press SET. The upper line on the LCD shows the ROM version ‘‘VER x.xx dd.mm.yy c’’ (x.xx = version, dd.mm.yy = date, c = country setting).
  • Page 22 3-2-14. Display and Rewrite ROM/RAM Data (Function 91) 1. Enter the service mode (see section 3-2-1). 2. Press Function, enter 91, then press SET. 3. The upper line on the LCD shows ‘‘ADD: aaaa VAL: ddd/hh’’ (aaaa = address, ddd = decimal value of the data, and hh = hexadecimal value of the data).
  • Page 23 4. SERVICE TABLES 4-1. BIT SWITCHES WARNING Do not adjust a bit switch that is described as "Not used", as this may cause the machine to malfunction or to operate in a manner that is not accepted by local regulations. Bit Switch 0 FUNCTION SETTINGS...
  • Page 24 Bit Switch 1 FUNCTION SETTINGS COMMENTS Reconstruction time for 0: 6 sec. When the sending terminal is controlled by a the first line 1: 10 sec. computer, there may be a delay in receiving page data after the local machine accepts set-up data and sends CFR.
  • Page 25 Bit Switch 2 FUNCTION SETTINGS COMMENTS Not used Not used Not used Not used CSI programming 0: User level 1: Function 13 ‘‘Enter Your Fax Nr.’’ only appears in 1: Service level service mode. (Austria only) TAM interface type 0: Normal 0: The normal type of TAM interface monitors the line 1: German type current on the LIU, to detect whether the external...
  • Page 26 4-2. USEFUL RAM ADDRESSES In the equations that occur in the following tables, N represents the decimal value stored in the RAM address. WARNING Changing any RAM data that are not listed in this table may cause the machine to malfunction. 4-2-1.
  • Page 27 Address (Hex) Function AVM language AVM ROM A 1(D): English 2(D): German 3(D): Dutch 4(D): French 038C AVM ROM B 1(D): English 2(D): Swedish 3(D): Danish 4(D): Norwegian 5(D): Finnish AVM ROM C 1(D): English 2(D): Italian 3(D): Spanish 4(D): Portuguese 038D Second AVM language (Same as above) Ringing time in Auto mode [Time = N (s)]...
  • Page 28 Address (Hex) Function C01E Minute (Units digit) (ASCII) C01F A blank space ‘‘ ’’ (ASCII) C020 Suffix (ASCII) C021 Machine code 02 (H) - RF01F 4-2-2. RF02F/FAX240F Use service function 91 to view or adjust the contents of a RAM address. See section 3-4-14 for details. Address (Hex) Function Bit switches 00 to 02 (0000 = Bit switch 00, 0001 = Bit switch 01, and so on);...
  • Page 29 Address (Hex) Function 0331 PABX pause time [Time = N x 0.16 (s)] 0332 PABX ringback tone detection time [Time = N x 20 (ms), detection disabled if N = FF] Modem data for PABX busy tone frequency range 0333 - 033E Caution: Do not adjust.
  • Page 30 Address (Hex) Function NCU parameter 01: Acceptable ringing signal frequency, lower limit 0377 [Frequency = 1/(N x 10 ) (Hz)] 0378 NCU parameter 02: Number of rings until a call is detected [Number = N x 1] 0379 NCU parameter 03: Minimum required length of a ring [Length = 20 x N (ms)] 037A NCU parameter 04: Minimum required length of an interval between rings [Length = 40 x N (ms)] 037B - 037C: Pulse dial parameters (Use function 98 to change)
  • Page 31 Address (Hex) Function 20A9 Not used 20AA Forwarding end date and time (BCD) 20AB Forwarding end date and time Month (BCD) 20AC Forwarding end date and time Year (BCD) 20AD - 226E Activity Log generation area (30 bytes x 15 communications) 2272 - 2433 Service report and error report generation area (45 bytes x 10 communications) 2438 - 24F7...
  • Page 32 Address (Hex) Function C01A Hour (Tens digit) (ASCII) C01B Hour (Units digit) (ASCII) C01C A colon ‘‘:’’ (ASCII) C01D Minute (Tens digit) (ASCII) C01E Minute (Units digit) (ASCII) C01F A blank space ‘‘ ’’ (ASCII) C020 Suffix (ASCII) Machine code 05 (H) - RF02F C021 06 (H) - FAX240F...
  • Page 33 4-2-3. Format of the Activity Log (Sent Fax Report) Generation Area The Activity Log and the Sent Fax Report are generated in addresses 0700 - 0719 (H) (RF01F - Sent Fax Report only) and 20AD - 226E (H) (RF02F/FAX240F). The record of each communication is stored in blocks of 26 bytes (RF01F) and 29 bytes (RF02F/FAX240F) as explained in the following table.
  • Page 34 4-2-4. Format of the Service Report and Error Report Generation Area The Service Report and the Error Report are generated in addresses 071A - 07E6 (H) (RF01F) and 2272 - 2433 (H) (RF02F/FAX240F). The record of each error communication is stored in blocks of 41 bytes (RF01F) and 45 bytes (RF02F/FAX240F) as explained in the following table.
  • Page 35 4-3. COUNTRY CODES A four-bit country code is programmed with a combination of diodes on the LIU, and it is transferred to the FCE through serial port. For the RF01F, an additional four-bit country code is programmed on the LIU with a combination of 0-ohm resistors, as it does not have a serial port to transfer the country code to the FCE.
  • Page 36 4-4. VARIABLE RESISTORS AND SWITCHES Address Function R374 Tx signal output level fine adjustment C403 Real time clock frequency adjustment. Do not adjust. (RF02F/FAX240F only) R808 Speaker volume adjustment (user adjustable) R867 Ringer volume adjustment (user adjustable) SW880 PD/DTMF select switch (user selectable except in Austria) SW881 GS/FS select switch (user selectable except in Austria) A thermostat;...
  • Page 37 5. REMOVAL AND ADJUSTMENT CAUTION 1. Unplug the machine from the power outlet before removing any of the covers. 2. The danger of explosion exists if the lithium battery on the FDU is incorrectly replaced. Replace only with the same or an equivalent type recommended by the manufacturer. Discard used batteries in accordance with the manufacturer’s instructions.
  • Page 38 5-1-2. Paper Holder and Scanner Cover 1. Remove the operation panel assembly (see section 5-1-1). 2. Open the printer cover. 3. Remove the paper holder [A] (4 screws, 1 connector). 4. Remove the scanner cover [B] with a small watchmaker’s screwdriver as shown below. Note: Use a screwdriver which is less than 2 mm thick, otherwise the scanner cover will warp and cause a document jam later.
  • Page 39 5-1-3. Thermal Head and Printer Cover 1. Open the printer cover. 2. Remove the thermal head cover [A] (4 screws). 3. Remove the thermal head [B] and the spring plate [C] (2 connectors, 2 springs, 2 screws). Reassembly Note • The dents on the thermal head bracket must fit into the slots on the thermal head. 4.
  • Page 40 5-2. SCANNER 5-2-1. Separation Rubber Plate 1. Remove the operation panel assembly (see section 5-1-1). 2. Remove the rubber plate [A]. 5-2-2. LED Array 1. Remove the operation panel assembly, the paper holder and the scanner cover (see section 5-1). 2.
  • Page 41 5-2-3. Feed Roller 1. Remove the operation panel assembly, the paper holder and the scanner cover (see section 5-1). 2. Remove the metal bracket [A] (1 screw). 3. Remove the feed roller [B]. Note for Reassembly • Pin [C] on the document sensor actuator must be under the feed roller shaft.
  • Page 42 5-3. PRINTER 5-3-1. Rear Cover, Cutter Unit (FAX240F only) and Platen Roller 1. Remove the rear cover [A] and the paper guide bracket [B] (RF01F/02F) or the cutter unit [C] (FAX240F) (4 screws). 2. Remove the operation panel assembly, the paper holder, the scanner cover and the printer cover (see section 5-1).
  • Page 43 3. Remove the FCE, FDU, PSU and LIU (see section 5-4). 4. Remove the mono-chassis [D] (2 screws, 1 ground wire). 5. Remove two gears [E] (1 E-ring). 6. RF01F/02F : Remove the platen roller [F] (2 E-rings, 2 bushings). FAX 240F: Remove the decurler bracket [F] and platen roller [G] (2 E-rings, 2 bushings, 1 spring).
  • Page 44 5-4. PCBs 5-4-1. FCE and ROM 1. Remove the paper holder (see section 5-1-2). 2. Remove the FCE [A] (1 screw, 1 connector (RF01F), 2 connectors (RF02F/FAX240F), 3 flat cables). 3. Remove the ROM [B]. 5-4-2. FDU, PSU and LIU 1.
  • Page 45 4. Remove the PSU [B] (2 screws, 2 connectors).
  • Page 46 5. Remove the LIU [C] (2 screws, 7 connectors). Back Front 5-10...
  • Page 47 5-4-3. HSB 1. Remove the paper holder (see section 5-1). 2. Remove the cradle unit as shown below. 3. Remove the HSB [A] (3 connectors). 5-4-4. OPU 1. Remove the operation panel cover (see section 5-1-1). 2. Remove the OPU [A] (12 screws (RF01F), 21 screws (RF02F/FAX240F), 2 connectors). 5-11...
  • Page 48 5-5. SBU REPLACEMENT AND SCANNER/SENSOR ADJUSTMENT 5-5-1. SBU Adjustment Tools 1. Adjustment Kit (P/No. H0809600) 2. Test PCB (P/No. H0939600) Additionally, the test chart which is included in the adjustment kit is available as part number H0809602. 5-5-2. SBU Replacement 1.
  • Page 49 1. Preparation 1. Install a new SBU in the machine. (Do not connect the harness to the FCU.) 2. Clamp the bracket to the scanner base. Set the left side of the bracket first as shown below. Notes: 1. The dents on the bracket must fit to the edge of scanner base.
  • Page 50 1. Preparation 4. Connect the test pins to the oscilloscope as follows: Pin 1 (DTVLD) - Channel 1 (CH1) on the oscilloscope Pin 2 (COM2) - Ground Pin 3 (XVIDEO) - Channel 2 (CH2) on the oscilloscope 5. Attach the test chart to the machine. 6.
  • Page 51 2. Horizontal Scan Line Adjustment 1. Set up the oscilloscope as follows: CH1 (DTVLD) - 5 V/div. CH2 (XVIDEO) - 0.2 V/div. TIME - 1 ms/div. Use ALT mode to display CH1 and CH2 at the same time. 2. Loosen the SBU securing screws. 3.
  • Page 52 2. Horizontal Scan Line Adjustment 5. Adjust the horizontal scan line position as shown below. If the scan start line is to the left of the rising edge of the DTVLD signal, move the SBU to the left. If the scan start line is to the right of the rising edge of the DTVLD signal, move the SBU to the right. 6.
  • Page 53 3. Vertical Scan Line Adjustment 1. Set up the oscilloscope as follows: CH1 (DTVLD) - 5 V/div. CH2 (XVIDEO) - 0.2 V/div., not inverted TIME - 1 ms/div. Use ALT mode to display CH1 and CH2 at the same time. 2.
  • Page 54 3. Vertical Scan Line Adjustment 3. Adjustment at the scan start side. If the waveform has two dropouts at the scan start side, move down the left side of the SBU to make the dis- tance between peaks narrower. The distance between peaks has to be within 50 µs. If the waveform has three dropouts at the scan start side, move up the left side of the SBU to make the dis- tance between peaks narrower.
  • Page 55 3. Vertical Scan Line Adjustment 4. Adjustment at the scan end side. If the waveform has two dropouts at the scan end side, move down the right side of the SBU to make the dis- tance between peaks narrower. The distance between peaks has to be within 50 µs. If the waveform has three dropouts at the scan end side, move up the right side of the SBU to make the dis- tance between peaks narrower.
  • Page 56 4. Focusing 1. Loosen the lens securing screw [A] and pull out the lens 1 or 2 mm from the scanner base surface as shown on the right. 2. Move back the lens using a small (-) screwdriver so that the amplitude of each moire [A] becomes more than 20% of the white level output [B].
  • Page 57 6. TROUBLESHOOTING 6-1. COPY QUALITY PROBLEMS 6-1-1. Received Copies If there is no fault in the receiving terminal or on the line, but the copy quality is bad, do the following: • Check that the thermal head, platen roller and spring plate assembly are assembled completely. •...
  • Page 58 6-1-3. Effects of Line Problems on Copy Quality Missing lines; shrinkage in the sub scan direction - Original - - Bad Copy Sample - Cut off - Bad Copy Sample - Some lines may be missing just before the cut off. 6-2.
  • Page 59 Test Action if Yes Action if No 8. Is the scan start line of the SBU well adjusted ? Go to step 9. Adjust the scan start position. 9. Check the connection to the tx motor. Does the Replace the FCE. Replace the FDU.
  • Page 60 6-2-2. Printer 1. Non Feed Symptom: Non feed Check Action if Yes Action if No 1. Is the printer jammed with de- Clear the debris. Go to step 2. bris? 2. Is the printer cover closed prop- Go to step 3. Close the cover.
  • Page 61 2. Jam Symptom: Jam Check Action if Yes Action if No 1. Is the printer jammed with de- Clear the debris. Go to step 2. bris? 2. Is the printer jam sensor good? Go to step 5. Go to step 3. 3.
  • Page 62 6-3. ERROR CODES If an error code occurs, retry the communication. If the same problem occurs, try to fix the problem as suggested below. Note that error codes 4-00, 01, 02, and 10 only appear in the error code display and on the service report. Code Meaning Suggested Cause/Action...
  • Page 63 Code Meaning Suggested Cause/Action 0-10 The other end did not send a Check the line connection. reply to EOP, EOM or MPS Check the FCE - FDU - LIU connection. Replace the FCE, LIU or FDU. Try adjusting the tx level (use NCU parameter 10). The other end may have a defective modem/NCU/FCU;...
  • Page 64 Code Meaning Suggested Cause/Action 1-23 Cutter jam Clear any debris from the sensors and the paper path. Clean the cutter sensor. 1-24 Cutter failed to initialize Check the cutter mechanism. Check the connections from the FDU to the cutter motor and cutter sensors.
  • Page 65 Code Meaning Suggested Cause/Action 6-05 Facsimile data frame not received Check the line connection. within 18 s of CFR, but there was Check the connections from the FCE, FDU to the LIU. no line fail (G3 ECM) Check for a bad line or defective remote terminal. Replace the FCE or LIU.
  • Page 66 7. ELECTRICAL DATA 7-1. CONNECTION FROM FCE1 (For RF01F) FDU1 FCE1 COM1 THSEN RESET STB3 COM2 STB2 SWC1 P403 STB1 COM1 STB0 SENS PRLAT VIDEO PRDT PRCLK P402 P332 LECOM0 PANK LECOM1 VSEL0 VSEL1 DCCLP PHRES MSCK MSOD AVMEOS MONON TONSEL MONVOL POA4...
  • Page 67 7-1. CONNECTION FROM FCE2 (For RF02F/FAX240F) FDU2 FCE2 COM1 THSEN RESET STB3 COM2 STB2 POC1 P403 STB1 ADSEL STB0 SENS PRLAT VIDEO PRDT P332 PRCLK P402 LECOM0 PANK LECOM1 VSEL0 VSEL1 DCCLP PHRES OPU2 MSCK OPSCK MSOD AVMEOS OPSID OPSOD P404 COM1 MONON...
  • Page 68 7-1-1. FCE1 - FDU (RF01F) FCE: P401 Name Function FCE: P402 SWC0 Serial data of the key Name Function status from the OPU Transmit data COM2 Analog ground Receive data COM1 Ground RESET Reset out DC power COM2 Ground DC power SWC1 Serial data of the key 7-1-2.
  • Page 69 7-1-5. FCE1 - LIU (RF01F) FCE: P401 Name Function FCE: P431 PIA3 KFCP input port PIA3 Name Function CBUS0 System command data OH relay control CBUS1 ONHK Internal tel on hook CBUS2 control CBUS3 HOOK Off hook detect COM1 Ground INTHK Internal tel hook switch AVMST...
  • Page 70 7-2. CONNECTION FROM FDU RXMA Rx Motor RXMAB +24V RXMB +24V P301 RXMBB COM3 +24V P337 COM3 +24V XVIDE0 COM2 Tx Motor TXMA OPHTG TXMAB P302 OPH1 TXMB OPHRES P338 TXMBB +24V +24V +24V P303 Test Points +24V COM3 P339 LEDON Array COM3...
  • Page 71 7-2-1. FDU - PSU 7-2-7. FDU - Paper End Sensor (SB-4) FDU: P301 Name Function FDU: P333 +24V DC power Name Function +24V DC power Signal from sensor COM3 Ground for +24V COM1 Ground COM3 Ground for +24V DC power 7-2-2.
  • Page 72 7-2-12. FDU - Tx Motor 7-2-16. FDU - Speaker FDU: P338 Name Function FDU: P363 TXMA Tx motor phase A drive Name Function TXMAB Tx motor phase A drive SPOUT Speaker out TXMB Tx motor phase B drive COM1 Ground TXMBB Tx motor phase B drive, +24V...
  • Page 73 7-3. CONNECTION FROM LIU LSWS5 LSWS4 LSWS3 P881 LSWS2 LSWS1 LSWC1 LSWC2 Handset MIC- LSWC3 EAR- P802 EAR+ MIC+ Hook SW1 SW2-2 SW2-1 P805 SW1-2 SW1-1 Hook SW2 HOOK1 P806 HOOK2 Ringer P830...
  • Page 74 7-3-1. LIU - Line 7-3-7. LIU - HSB (Ringer) LIU: P801 Name Function LIU: P830 no, connection No connection Name Function External phone tip Ringer drive Phone line tip Ground Phone line ring External phone ring Tel Ground 7-3-8. LIU - OPU Dialpad LIU: P881 7-3-2.
  • Page 75 APPENDIX A. LINE INTERFACE 1. Overall LIU description LIU Block Diagram TONE MONITOR Speaker Volume Control Line Transformer TRXD High GND - start DI Relay Impedance Transformer +24V Speech DC - DC circuit Handset Tel-Fax Microphone relay Off-hook Earphone LCLK relay LSOD LINE...
  • Page 76 2. Making a Telephone Call 2-1. Manual Dialling from the External Telephone In standby mode, the line is connected to the external telephone. Then the user can dial from the external handset. If the user presses Start to send or receive a fax message, the TF relay switches up to connect the line to the mo- dem.
  • Page 77 DC Power supplied from LINE Handset The telephone features (di- alling, voice communica- VCC-1 PHONE-A/B tion) can also be used 12 Keys Speech when the machine is Dialler Circuit Dialpad switched off. Pulse/Tone PCD3344 When the handset goes GND Start Other Keys off-hook or the On Hook To/From...
  • Page 78 3. Receiving a Telephone Call TONE LIU Block Diagram MONITOR Speaker Volume Control Line Transformer TRXD High GND - start DI Relay Impedance Transformer +24V Speech DC - DC circuit Handset Tel-Fax Microphone relay Off-hook Earphone LCLK relay LSOD LINE Filter Current LSID...
  • Page 79 APPENDIX B. POWER DISTRIBUTION 1. PSU/FDU Sensors +5V and/or -5V The PSU regulates the 220- +24V or +24VSW 240 Vac input to generate +24V +24 Vdc. The +24Vdc is then supplied to the secon- 220-240 Vac dary power supply circuit on the FDU to generate ±...
  • Page 80 APPENDIX C. ELECTRICAL COMPONENT DESCRIPTION/DATA FLOW 1. PCBs This section explains the functions of the PCBs and their components. COVER SPEAKER SWITCH 39.4M CUTTER RXD, TXD RXD, TXD DRIVER HIC2 VOICE (Modem) MEMORY VOICE DATABUS PROCESSOR SRAM ADDRESSBUS CONTROLBUS VOICE DETECTION 14.6M TRANS...
  • Page 81 1-5. SBU (Sensor Board Unit) This unit has a CCD which scans the document and detects light path blockage by the document/scan line sensor actuators. 1-6. OPU (Operation Panel Unit) This unit receives all keypad input information and indicates instructions for users using LEDs and an LCD (RF02F/FAX240F).
  • Page 82 2-1-1. Direct Transmission (non ECM) 2-1-2. Direct Transmission (ECM) Analog V. P. Analog V. P. KFCP KFCP Digital V. P. SRAM Digital V. P. SRAM Line Buffer Line Buffer EIO2 Compression EIO2 FIFO ECM Memory ECM Memory Back-up for Page Retransmission ECM Framing (RF02F/FAX240F only) DSP (Modem)
  • Page 83 2-2. Reception RF02F/FAX240F only Data/Address Bus AVM ROM SRAM Voice HIC2 (Modem) Processor Line FIFO Buffer 2-2-1. Non ECM Reception 2-2-2. ECM Reception LINE LINE Filtering Filtering HIC2 HIC2 Filtering Filtering Attenuation/Amplification Attenuation/Amplification DSP (Modem) DSP (Modem) Demodulation Demodulation SRAM ECM Memory FIFO Back-up for Substitute Reception...
  • Page 84 APPENDIX D. MECHANICAL DESCRIPTION 1. ADF/Scanner The machine has two significantly different points in the ADF/scanner mechanism from the previous models. The first point is the integrated scanner and sensor mechanism, and the second point is the simplified ADF mechanism. 1-1.
  • Page 85 When the document reaches the scan line sensor, the actuator blocks the light path through that sensor. Then prefeed stops to prepare for scanning. The XVIDEO output while the machine is scanning the document is shown on the right. While scanning the document, the LED array flashes every 10 ms.
  • Page 86 1-2. ADF Mechanism Document Sensor 15mm Feed Roller Only Separation Rubber Plate Scan Line Sensor Feed Roller and R2 Roller Feed Roller Gap Clutch R2 Roller Only 37mm LED Array R2 Roller The ADF consists of the feed roller, R2 roller, document/scan line sensors and separation rubber plate. When a document is placed in the feeder, the document sensor detects it as explained in the previous section.
  • Page 87 2-2. FAX240F (with Shuttle Cutter and Decurler) Decurler Cover 2-2-1. Decurler Thermal Head The decurler unit consists of the decurler cover, decurler bracket and the decurler spring on the platen roller shaft. Paper Roll In standby mode, the decurler bracket is Platen Roller down at the standby position.

This manual is also suitable for:

Fax rf02fFax240f