Ricoh FAX1700L Service Manual Download Page 149

Page: 149 / 193

6.3.7. Top Cover Assembly

Remove cable cover 1 (see Transfer Unit).

A: Cable Cover 2 (1 screw)
B: Top Cover Assembly (2 pins, 1 harness clamp, 4 connectors)

6.3.8. Fusing Cover Gears

To remove components in the fusing section, remove the top cover assembly
first (see Top Cover Assembly).

Remove the gear cover [A] (1 screw), then the inner gears and the torsion
springs can be taken off.

[A]

h528r522.wmf

[A]

[B]

h528r521.wmf

July 30th, 1996

REPLACEMENT AND ADJUSTMENT

PRINTER

6-17

Summary of Contents for FAX1700L

Page 1: ...FX7 RICOH FAX1700L SERVICE MANUAL July 30th 1996 Subject to change...

Page 2: ...FX7 infotec 3671 3671F SERVICE MANUAL July 30th 1996 Subject to change...

Page 3: ...ALONG THE LASER BEAM PATH WHILE THE MAIN POWER IS ON Lithium Batteries Memory Back up ICAUTION The danger of explosion exists if a battery of this type is incorrectly replaced Replace only with the s...

Page 4: ...V 27ter PHM V 21 FM Data Rate bps 14400 12000 9600 7200 4800 2400 Automatic fallback Transmission Time 6 s at 14 400 bps Measured with G3 ECM using memory for a ITU T 1 test document Slerexe letter at...

Page 5: ...mmunication Features User Selectable Auto answer delay time O Auto dialing pulse or DTMF O Auto Document X Auto image density selection X Auto paper size selection X Automatic Voice Message X Batch Tr...

Page 6: ...mark X Clearing a memory file O Clearing a polling file O Clock O Other User Features Confidential ID X Copy editing Erase Center Mar gin X Copy mode O Copy Mode Restriction X Counters O Daylight Savi...

Page 7: ...omm parameter display O Counter check O Country code O DTMF tone test O Echo countermeasure O Effective term of service calls O Error code display O Excessive jam alarm O Service Mode Features File Tr...

Page 8: ...square mirror motor and other laser optic components 4 Development Toner Magazine Consists of the toner supply mechanisum the toner tank and the development unit 5 Paper Feed out Roller Feeds paper o...

Page 9: ...s one sheet into the printer 13 Paper Pick up Roller Picks up the top sheet of paper from the tray 14 OPC Drum Organic Photoconductor Drum 15 Toner Supply Roller Supplies the toner to the development...

Page 10: ...1 3 2 Electrical Components 6 7 8 9 5 4 3 2 1 H528V504 wmf 14 15 17 18 20 19 16 27 21 12 11 25 26 24 10 22 13 23 H528V503 wmf July 24th 1996 OVERALL MACHINE INFORMATION COMPONENT LAYOUT 1 7...

Page 11: ...gh voltages to the charge transfer and development bias 8 Scanner Sensor Board Contains the scanner sensors document scan line document exit and the ADF cover open sensor 9 5V Power Board Generates th...

Page 12: ...escription 15 Contact Image Sensor Reads and converts the light reflected from the document into an analog video signal An LED array which illuminates the document is included 17 Document Pick up Sole...

Page 13: ...rom the MCB The scanner components are controlled by the FCU Video data coming from the CIS is processed in the FCIP and then sent to the MCB for copying or sent to the NCU through the modem for trans...

Page 14: ...ime for transmission the DCR block decompresses the data from the SAF memory then compresses it again after handshaking with the other ter minal is done The compressed data then passes either to the F...

Page 15: ...ssed to the page memory for printing After a page of data has been stored in the page memory the data is sent to the MCB through the LIF block in the FCIP and then to the LDDR Copy Paper DATA ADDRESS...

Page 16: ...the LDDR This process is the same for multi page copying Original Image Sensor LED Array Contact Image Sensor Assembly FCU CIS Video Amplifer Copy Paper Video Processing Memory FCIP DCR LIF DIP Line B...

Page 17: ...k up power for the system RAM and the optional IC card A lithium battery is used to generate 5VD 24V SW This is interrupted if the interlock switch opens MCB FCU LDDR Square Mirror Motor Toner End Sen...

Page 18: ...pick up solenoid A is turned on it allows the tray lifting cam B to rotate This allows the document plate C to be pushed up by a spring under the plate The document pick up roller D feeds the top shee...

Page 19: ...es the scanner roller and the exit roller The document exit sensor detects when the document leaves the scanner Note When a communication error occurrs in immediate tx the machine stops scanning the d...

Page 20: ...r a CCD type scanner The white level adjustment is performed at the factory then the white level is stored in the FCU s SRAM The white level must be adjusted when the FCU or the CIS is replaced or the...

Page 21: ...400 pps to scan the document OR processing is done to prevent narrow vertical lines from being bro ken up OR processing can be disabled with scanner switch 00 bit 4 Detail resolution 7 7 line mm resol...

Page 22: ...feeds the document through the scanner 800 pps 3 The tx motor feeds the document out of the scanner 4 The tx motor stops 82 steps after the document exit sensor was turned off TX Motor Document Sensor...

Page 23: ...can line and exit sensors are turned off 1 17 Document jam The document exit sensor does not turn on when the tx motor has rotated for 160 mm feed length L2 after the scan line sensor turned on The ja...

Page 24: ...ely 800 V The laser exposed area on the drum drops to about 50 V The development roller carries toner to the latent image on the drum surface The bias voltages during printing Development roller 300 V...

Page 25: ...through plate C Since the machine uses a charge brush roller the ozone production is greatly reduced and the charge bias applied to a roller is relatively low compared to that for a corona wire The c...

Page 26: ...n detector C for line synchronization in the main scan direction The mirror s rotation speed is 8431 7 rpm As a safety feature the shutter D closes to block the laser beam path whenever the top cover...

Page 27: ...of dots actually printed not by varying the development bias In toner saving mode the image data is filtered through the following four line matrix 1st line 1 0 1 0 1 0 1 0 1 0 2nd line 0 0 0 0 0 0 0...

Page 28: ...ment roller turns past the doctor blade E only a thin coating of negatively charged toner particles stay adhered Cross reference Group 3 Facsimile Manual section 4 4 2 During printing a bias voltage o...

Page 29: ...TM The applied voltages are Development roller 280 V B depending on the user s print density selection Doctor blade 550 V C Lower casing 287 V D The toner is negatively charged by the friction generat...

Page 30: ...w within a specified period the MCB detects a toner near end condition and informs the FCU The machine can then print 100 more sheets at which time the FCU disables printing toner end condition At thi...

Page 31: ...the printer that a sheet of paper is coming to initialize the laser engine It is also used for paper size and jam detection If the paper size is determined not to match the selected paper size a paper...

Page 32: ...ned on A misfeed is also detected if the registration sensor turns on before the paper pick up solenoid is turned on When a misfeed is detected the machine will finish printing that page before turnin...

Page 33: ...s charge is applied through the torsion spring C and the conductive supporter D The positively biased transfer roller pulls negatively charged toner onto the paper The ground plate E and curvature of...

Page 34: ...the drum the drum is completely exposed by the laser and 800 V is applied to the transfer roller The negatively charged toner on the transfer roller is then transferred back to the drum During the cl...

Page 35: ...r saver mode settings Points to note Printing temperature 176 C Thermistor maximum 250 C Thermostat maximum 180 C the temperature of the hot roller would be about 300 C 2 Power Saver Mode Settings The...

Page 36: ...ch is set to 5 minutes the lamp temperature falls back to 100 C after 3 minutes and then to room temperature after a further 2 minutes If the power saver mode timer is set to no limit the temperature...

Page 37: ...n between 3 5 and 4 5 seconds after the registration sensor is turned on The exit sensor detects a jam if the exit sensor is on when the main switch is turned on or when the printer cover is closed Th...

Page 38: ...perature 100 C is selected in the power saver mode If the fusing temperature drops below 145 C while printing If the fusing temperature exceeds 200 C for more than 50 ms Cross reference Service Call C...

Page 39: ...termines the ratio for that paper size Bit No Switch No Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Not used Not used Legal F F4 A4 Letter Not used Not used Sw 04 0 4 3 1 4 3 0 8 7 1 12 11 0 0 1 1...

Page 40: ...the paper size to use is decided in accordance with the following rules If both trays contain the same paper size the machine uses the paper in the optional paper feed unit first If the received page...

Page 41: ...on panel is pressed When the handset goes off hook Cross Reference Power saver timer initial setting System Switch 0B bits 2 and 3 1 minute 3 minutes 5 minutes or Unlimited Timer disabled Turning the...

Page 42: ...1 Fan motor failure 9 34 51 Unexpected printer error Printer Ready signal not detected 9 35 61 Unexpected printer error Valid signal not detected 9 35 62 Excessive jams in the ADF scanner None None Ex...

Page 43: ...paper is fed without a jam occuring NO JAM1 and NO JAM2 are both incremented by 1 When NO JAM1 reaches DEC 16 by default NO JAM1is set to zero and JAM is decremented by 1 When NO JAM2 reaches CLR 48...

Page 44: ...automat ically after the call Then the alarm is disabled until either bit 3 or bit 4 of address 8002DD H is reset to zero 3 Periodic Service Call The periodic service call notifies the condition of t...

Page 45: ...ervice indicator does not light for a PM service call and the ma chine can be operated normally after it has made the service call 5 Effective Term of Service Calls If a time limit for the effectivene...

Page 46: ...d for V 17 V29 and V27ter communications The SAF memory can be extended by 1 or 2 Mbytes with an IC optional card A 512 kB 4 Mbit Flash ROM is used for the system ROM Software in this ROM can be rewri...

Page 47: ...4 SRAM 2 MB SRAM for system and user parameter storage Backed up by the battery on the FCU 5 DRAM 1 5 MB DRAM shared between the Line Buffer ECM Buffer Page Mem ory and SAF memory This DRAM is not ba...

Page 48: ...ground CN5 6 Synchronization signal CN5 8 Scanner clock TB1 Switches the power supply to the flash ROM boot block on the FCU 1 2 pins shorted 5V the boot block cannot be overwritten 2 3 pins shorted...

Page 49: ...D 5V Regulator 5V Monitor GND GND Chopper Circuit Fusing Lamp Output Inlet Board Main Switch T1 Interlock SW AC Input Primary Smoothing Circuit Switching Circuit Output Detection Control Circuit Phase...

Page 50: ...hen the machine is connected to a dry line JP6 Ring Detect RING TIP OHDISW Hook0 Hook1 Ex Ring JP5 Ex TDI Ext Tel DP Off Hook Detection Current Sensor 24V CMLSW RITONE Q6 Q5 Relay 24V OHDISW JP6 T1 R1...

Page 51: ...eland H L L S S S Finland L H L O O O Switzerland L H L O O O Other L H L S O O L Low H High S Short O Open TIP RING SHUNT GS T1 R1 TRXD JP24 T1 R1 SHUNT GS N C N C OHDISW Hook0 RSEL DOSW CMLSW Hook1...

Page 52: ...M address 8000AD Function 06 Machine s serial number Function 14 Service station s fax number Function 13 PM call System switch 01 bit 0 Function 01 Periodic service call RAM address 800261 Function 0...

Page 53: ...NS 2 0 1 Y SYS DF 0000 0000 BITSW 00 0000 0000 Bit 7 is displayed at the left and bit 0 at the right 3 Scroll through the bit switch menu or Example To see the communication switches 3 Then scroll thr...

Page 54: ...1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 0 3 Y ERROR CODE 1 01 JAN 01 17 30 3 Either Scroll through the error codes or Finish FU 4 1 4 Service Monitor Report Function...

Page 55: ...ADDRESS 000000 DATA 00 4 Input the address that you wish to see Example Address 800020 8 0 0 0 2 0 ADDRESS 800020 DATA 20 Note If you wish to move the cursor press 5 If you wish to change the data typ...

Page 56: ...dresses For example enter 8000 for start address 800000 H and enter 8001 for end address 8001FF H Then press Start to print the dump list MEMORY DUMP START N ADD 800000 8001FF Example Start at 800000...

Page 57: ...S JAM 000000 P JAM 000000 Check the PM counter press 1 PM COUNTER 001234 Check the DTM counter press 2 DTM COUNTER 001234 Check the OPC counter press 3 OPC COUNTER 001234 4 To change the contents of a...

Page 58: ...ountry Code Parameter 01 is the Tx level Refer to section 4 3 for full details on NCU parameters 4 1 10 Modem Test Function 08 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2...

Page 59: ...Detection Test Function 08 Note This function can be used only when G3 bit switch 0B bit 5 French PTT requirements is 1 in European models It cannot be used in USA models 1 FU 6 1 9 9 5 then immediat...

Page 60: ...3 0 4 S 5 To stop the test press s 6 To finish N FU 4 1 14 LED Array Test Function 10 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 1 0 Y 0 LAMP 1 ADF 2 SHADING 3 0 4 S STAR...

Page 61: ...t Function 10 Do the following after replacing the contact image sensor or the FCU Also after RAM reset level 1 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 1 0 Y 0 LAMP 1...

Page 62: ...5 Press a key from 0 or 1 6 Press S A test pattern is printed 7 To finish N FU 4 1 18 Printer Mechanism Test Free Run Function 11 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT 9 SERVICE FUNCTIO...

Page 63: ...1 2 Y 0 SRAM 1 SAF 2 SAFCARD 3 M R 3 Either Test the SRAM Press 0 S Test the SAF Press 1 S Test the SAF card Press 2 S If test is successful the display shows OK If test is unsuccessful the display sh...

Page 64: ...tware can be an FCU or an EPROM board 1 Turn off the machine 2 Insert the Flash SRAM Copy Tool A into the IC card slot B then con nect the EPROM board with new software C to the opposite side of the t...

Page 65: ...diagram on the previous page After step 3 set bit 5 of system switch 02 to 1 Before switching on the machine again in step 9 put TB1 back to the default position pins 1 2 shorted Make sure to set bit...

Page 66: ...hat were programmed in the damaged FCU 1 Turn off the machine 2 Connect the Flash SRAM Copy Tool A and the damaged FCU C as shown in section 4 1 20 Note The switch D on the tool must be at OFF positio...

Page 67: ...ay is correct Y 5 Finish FU 4 1 24 Service Station Fax Number Function 13 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 1 3 Y S S NO KPAD _ 3 Input the telephone number of t...

Page 68: ...in the SAF memory and communication files e g polling rx files This setting is recommended for use when it is necessary to clear the SAF Reset Level 2 In addition to those items erased by Reset Level...

Page 69: ...ing image data transmission only 1 Rx level This bit determines the data type to be printed on the TCR Journal when technical data printout is enabled by bit 2 above 4 Line error marks 0 Disabled 1 En...

Page 70: ...t 8 x 7 7 dots per mm STD Standard transmitted at 8 x 3 85 dots per mm I O rate 0M 0 ms line 10M 10 ms line 2 M 2 5 ms line 20M 20 ms line 5M 5 ms line 40M 40 ms line Width and reduction A4 A4 8 3 no...

Page 71: ...ed to rewrite the boot block in the Flash ROM using Function 12 Cross reference Software Download Section 4 1 20 6 7 Memory read write by RDS Bit 7 6 Setting 0 0 Always disabled 0 1 User selectable 1...

Page 72: ...the OPC drum at 20 000 print intervals default interval After the user replaces the drum the machine asks the user if the drum is replaced or not If the user answers yes the machine resets the OPC co...

Page 73: ...sted on the TCR Journal 1 Communications which reached phase A call setup of T 30 protocol are listed on the TCR Journal This will include telephone calls 2 Automatic error report printout 0 Disabled...

Page 74: ...Automatic reset is disabled Other The machine returns to the standby mode when the timer expires after the last operation 2 3 Power Saver Mode timer Bit 3 Bit 2 Time Limit 0 0 1 minute 0 1 3 minutes...

Page 75: ...RAM addresses However it has no effect on the NCU parameter settings and communication parameter RAM addresses Cross reference NCU country code Function 08 parameter CC System Switch 10 Not used do n...

Page 76: ...ch 18 Not used do not change the settings System Switch 19 Not used do not change the settings System Switch 1A Not used do not change the settings System Switch 1B Not used do not change the settings...

Page 77: ...eps Each pair of lines is OR processed before transmission or making copies 5 7 Not used Do not change the settings Scanner Switch 01 Not used do not change the settings Scanner Switch 02 No FUNCTION...

Page 78: ...e the settings Scanner Switch 0A Not used do not change the settings Scanner Switch 0B Not used do not change the settings Scanner Switch 0C Not used do not change the settings Scanner Switch 0D Not u...

Page 79: ...us page left off 1 The final few mm of the previous page are printed at the top of the next page See section 2 2 9 for details 2 7 Not used Do not change the settings Printer Switch 01 Not used do not...

Page 80: ...nter Switch 03 Bit 0 Printer Switches 04 and 05 No FUNCTION COMMENTS 0 to 7 Reduction ratios used for different paper sizes with reduction enabled in switch 03 0 above If reduction is enabled the data...

Page 81: ...e the settings Printer Switch 0A Not used do not change the settings Printer Switch 0B Not used do not change the settings Printer Switch 0C Not used do not change the settings Printer Switch 0D Not u...

Page 82: ...g transmission 2 3 Wrong connection prevention method Bit 3 Bit 2 Setting 0 0 None 0 1 8 digit CSI 1 0 4 digit CSI 1 1 CSI RTI 0 1 The machine will not transmit if the last 8 digits of the received CS...

Page 83: ...rinting 1 Printed 0 Pages received with errors are not printed 3 Hang up decision when a negative code RTN or PIN is received during G3 immediate transmission 0 No hang up 1 Hang up 0 The next page wi...

Page 84: ...ication Switch 08 Not used do not change the settings Communication Switch 09 Not used do not change the settings Communication Switch 0A No FUNCTION COMMENTS 0 Point of resumption of memory transmiss...

Page 85: ...attempts 06 to FF Hex unit 2 s e g 06 H 12 s This value is the minimum time that the machine waits before it dials the next destination Communication Switch 0F Not used do not change the setting Comm...

Page 86: ...not change the settings Communication Switch 18 Not used do not change the settings Communication Switch 19 Not used do not change the settings Communication Switch 1A Not used do not change the setti...

Page 87: ...r is enabled during memory transmission 3 6 Not used Do not change the settings 7 Back to back test 0 Disabled 1 Enabled Set this bit to 1 when you wish to do a back to back test 115 V model Be sure t...

Page 88: ...ine will wait for the second DIS which is caused by echo on the line 1 2 Not used Do not change the setting 3 ECM frame size 0 256 bytes 1 64 bytes 1 The machine transmits with a frame size of 64 byte...

Page 89: ...6 7 Do not change the settings G3 Switch 06 FUNCTION COMMENTS 0 to 3 Initial Rx modem rate Bit 3 2 1 0 Setting bps 0 0 0 1 2 4 k 0 0 1 0 4 8 k 0 0 1 1 7 2 k 0 1 0 0 9 6 k 0 1 0 1 12 0k 0 1 1 0 14 4k O...

Page 90: ...settings G3 Switch 09 Not used do not change the settings G3 Switch 0A FUNCTION COMMENTS 0 1 Maximum allowable carrier drop during image data reception Bit 1 Bit 0 Value ms 0 0 200 0 1 400 1 0 800 1 1...

Page 91: ...isabled 1 Enabled 5 PTT requirements France 0 Disabled 1 Enabled 6 7 Not used Do not change the settings G3 Switch 0C FUNCTION COMMENTS 0 1 Pulse dialing method Bit 1 Bit 0 Setting 0 0 Normal P N 0 1...

Page 92: ...s Use the Hex value to program the country code directly into this address or use the decimal value to program it using Function 08 parameter CC Country Decimal Hex France 00 00 Germany 01 01 UK 02 02...

Page 93: ...me for silent period after ringback tone detected LOW 20 ms 807F12 PSTN detection time for silent period after ringback tone detected HIGH 20 ms 807F13 PSTN busy tone frequency range high byte Hz BCD...

Page 94: ...7F2C Busy tone ON time range 2 807F2D Busy tone OFF time range 2 807F2E Busy tone ON time range 3 807F2F Busy tone OFF time range 3 807F30 Busy tone ON time range 4 807F31 Busy tone OFF time range 4 8...

Page 95: ...ntry dial tone reset time LOW 807F45 Country dial tone reset time HIGH 807F46 Country dial tone continuous tone time 807F47 Country dial tone permissible drop time 807F48 Country dial wait interval LO...

Page 96: ...cess code BCD For a code of 100 807F5B F1 807F5C 00 807F5C 807F5D PSTN access pause time 20 ms This time is waited for each pause input after the PSTN access code Up to 7 of these can be input If this...

Page 97: ...ion reset time LOW 20 ms Function 08 parameter 09 807F7A Ringing signal detection reset time HIGH Function 08 parameter 10 807F7B to 807F80 Not used Do not change the settings 807F81 Interval between...

Page 98: ...ction time for 800 Hz AI short protocol tone 20 ms Factory setting 360 ms 807FB4 PSTN Tx level from the modem dBm Function 08 parameter 01 807FB5 PSTN 1100 Hz tone transmission level N 807FB4 0 5N 807...

Page 99: ...f bit 2 1 on time hex code unit 20 ms 807F0C if bit 0 1 or 807F3C if bit 2 1 off time hex code unit 20 ms 4 Pulse dial parameters addresses 807F4A to 807F4F are the values for 10 pps If 20 pps is used...

Page 100: ...0B0 360 505 0C8 340 520 0B8 370 515 0C0 350 515 0D8 330 525 0C8 Default 365 520 0D0 Default 340 520 0E8 325 535 0D8 355 530 0E0 335 525 0F8 Default 315 540 0E8 345 535 0F0 325 530 108 310 545 0F8 340...

Page 101: ...490 0BA Default 340 500 0C0 190 425 0D0 305 495 0CA 335 510 0D0 170 435 0E0 Default 295 500 0DA 325 515 0E0 160 440 0F0 285 510 0EA 320 520 0F0 135 435 100 275 515 0FA 310 525 100 130 430 110 265 520...

Page 102: ...ue H Range Hz 120 290 580 040 380 430 130 280 585 050 Default 365 435 140 Default 270 590 060 355 440 150 265 595 070 350 445 160 255 600 080 340 550 090 335 555 0A0 325 565 International Dial Tone 80...

Page 103: ...410 440 0E0 370 555 042 405 460 040 Default 400 450 0F0 360 560 052 Default 400 465 050 395 455 100 355 565 062 395 475 060 385 460 110 345 570 072 390 480 070 380 465 120 340 575 082 380 485 080 375...

Page 104: ...AM Value H Range Hz RAM Value H Range Hz RAM Value H Range Hz 0A8 330 470 040 380 430 028 405 445 0B8 320 460 050 Default 365 435 038 415 455 0C8 300 480 060 355 440 048 Default 400 460 0D8 Default 29...

Page 105: ...130 355 580 080 375 470 080 380 475 140 350 585 090 365 475 090 370 480 150 340 590 0A0 365 485 160 330 595 Australia RAM Value H Range Hz RAM Value H Range Hz RAM Value H Range Hz 038 Default 395 450...

Page 106: ...FFH FFH FFH Italy FFH FFH FFH 0H 30H Austria FFH FFH FFH 0H C8H Belgium FFH FFH FFH 0H C8H Denmark FFH FFH FFH 0H D0H Finland FFH FFH FFH 0H F8H Ireland FFH FFH FFH 0H E8H Norway FFH FFH FFH 0H E0H Sw...

Page 107: ...1H New Zealand FFH FFH FFH FFH FFH Singapore FFH FFH FFH FFH FFH Malaysia FFH FFH FFH FFH FFH Country 807F0B 807F0C 807F0D 807F0E 807F0F France 75 2 100 0 FFH Germany 105 4 200 0 FFH UK FFH FFH 250 0...

Page 108: ...H FFH FFH FFH Singapore FFH FFH FFH FFH FFH Malaysia FFH FFH FFH FFH FFH Country 807F15 807F16 807F17 807F18 807F1B France 4H 00H FFH FFH 100 Germany 4H 00H FFH FFH FFH UK 4H 00H FFH FFH FFH Italy 4H...

Page 109: ...FH FFH FFH 200 Singapore FFH FFH FFH FFH 200 Malaysia FFH FFH FFH FFH 200 Country 807F21 807F22 807F23 807F24 807F25 France 0 FFH FFH FFH FFH Germany 0 FFH FFH FFH FFH UK 0 FFH FFH FFH FFH Italy 0 FFH...

Page 110: ...FFH FFH FFH FFH Singapore FFH FFH FFH FFH FFH Malaysia FFH FFH FFH FFH FFH Country 807F2B 807F2C 807F2D 807F2E 807F2F France 25 FFH FFH FFH FFH Germany 12 24 24 7 24 UK 19 20 17 11 26 Italy 10H 11H 1...

Page 111: ...H FFH FFH Singapore FFH FFH FFH FFH FFH Malaysia FFH FFH FFH FFH FFH Country 807F35 807F36 807F37 807F38 807F39 France 74H 4H 06H 57 58H Germany FFH FFH FFH FFH FFH UK FFH FFH FFH FFH FFH Italy FFH FF...

Page 112: ...ingapore FFH FFH FFH 00H 00H Malaysia FFH FFH FFH 00H 00H Country 807F3F 807F40 807F41 807F42 807F43 France FFH FFH FFH FFH FFH Germany FFH FFH FFH FFH FFH UK FFH FFH FFH FFH FFH Italy FFH FFH FFH FFH...

Page 113: ...FFH FFH FFH FFH 00H New Zealand FFH FFH FFH FFH 00H Singapore FFH FFH FFH FFH 00H Malaysia FFH FFH FFH FFH 00H Country 807F49 807F4A 807F4B 807F4C 807F4D France 0 67 65 35 50 Germany 00H 50 61 41 44...

Page 114: ...25 101 100 110 17 Singapore 36 101 100 110 12 Malaysia 36 101 100 110 12 Country 807F53 807F54 807F59 807F5A 807F5B France 4 34 0 0 FFH Germany 5 34 15 90 FFH UK 4 34 15 90 F0H Italy 4 34 15 90 FFH A...

Page 115: ...Zealand FFH FFH C0H 10H FFH Singapore FFH FFH C0H 10H FFH Malaysia FFH FFH C0H 10H FFH Country 807F66 807F72 807F73 807F74 807F75 France 16H 17 28 FFH 00H Germany FFH 15H 36H FFH 00H UK FFH 20 84 FFH...

Page 116: ...aysia 1 10 10 90H 1H Country 807F81 807F82 807FA1 807FA2 807FA3 France 25 0 02H 00H 04H Germany 25 00H 02H 00H 04H UK 25 00H 02H 00H 04H Italy 25 00H 02H 00H 04H Austria 25 00H 02H 00H 04H Belgium 25...

Page 117: ...0H 81H 04H Singapore 00H 10 01H E0H 04H Malaysia 00H 10 01H E0H 04H Country 807FA9 807FAA 807FAB 807FAC 807FAD France 00H 10 23H 91H 32H Germany 00H 10 23H 91H 32H UK 00H 10 23H 91H 32H Italy 00H 10 2...

Page 118: ...10 Australia 2FH 0H 00H 11 18 New Zealand 2FH 0H 00H 11 18 Singapore 2FH 0H 00H 11 10 Malaysia 2FH 0H 00H 11 10 Country 807FB4 807FB5 807FB6 807FB7 807FB8 France 9 0 0 10 0 Germany 9 2 00H 6 3 UK 9 0...

Page 119: ...1H 53 Ireland 0 11H 53 Norway 0 12H 53 Sweden 0 11H 53 Switzerland FFH 11H 92 Portugal 0 11H 53 Holland 0 11H 53 Spain 0 11H 80 Israel 0 11H 59 USA 0 16H 53 Asia 0 16H 47 Hong Kong 0 0FH 53 South Afri...

Page 120: ...tion 32 for a Speed Dial number Example Change the Parameters in Quick Dial 10 3 FU 3 1 Y 4 Press Quick Dial key 10 Note When selecting Speed Dial 10 with Function 32 press 1 0 at the ten key pad 5 Pr...

Page 121: ...to 4 must all be at 1 to disable 0 When enabling the tx level setting change this bit to 0 then change the settings of bits 0 through 3 above 1 When disabling the tx level setting change all of the b...

Page 122: ...cond DIS or NSF 1 0 First DIS or NSF 1 1 Setting disabled 0 1 Use this setting if echoes on the line are interfering with the set up protocol at the start of transmission The machine will then wait fo...

Page 123: ...oot program checksum high 80001C H Main program checksum low 80001D H Main program checksum high 80001E H RDS program update counter hex 800020 to 80003F H System bit switches 800040 to 80004F H Scann...

Page 124: ...r mode Bit 7 6 Setting 0 0 Lamp off 1 0 Standby temperature 100 C 8000A6 H User parameter switch 06 Bit 0 TTI 0 Off 1 On Bits 1 to 3 Not used Bit 4 Batch transmission 0 Off 1 On Bits 5 to 7 Not used 8...

Page 125: ...Bit 7 Daylight saving time 0 Disabled 1 Enabled 8000BA H User function 62 settings Bit 0 Not used Bit 1 Dialing type 0 Pulse dialing 10 pps 1 Tone DTMF dialing Bits 2 to 7 Not used 8000BB H PSTN acces...

Page 126: ...80015D H Rx counter RX 80015E to 800160 H Scan counter SCN 800161 to 800163 H Print counter PRT 800164 to 800166 H Paper feed counter standard paper tray 800167 to 800169 H Paper feed counter optiona...

Page 127: ...yte Minute BCD Third byte 00 H Timer start time 01 H Timer end time 80024F to 800254 H Last RDS operation Read only 80024F H Year BCD 800250 H Month BCD 800251 H Day BCD 800252 H Hour 800253 H Minute...

Page 128: ...xcessive jams in future if you do not reset these bits 8002F9 H Details of the service call hardware error 02 H Fusing unit failure 22 H Laser power is out of the specified range 31 H Mirror motor err...

Page 129: ...value for edge detection 0 Normal 1 High Bit 3 Background detection threshold 0 Low 1 High Bit 4 Edge detection 1 On Bit 5 MTF algorithm 0 Low 1 High Bit 6 Not used do not adjust the factory setting...

Page 130: ...9th and 10th bytes Personal code or number of total burst error lines If bit 4 of the 1st byte is 0 9th byte Personal code low BCD 10th byte Personal code high BCD If bit 4 of the 1st byte is 1 9th by...

Page 131: ...end later transmission 0 Not used 1 Used Bit 4 Transmission from 0 ADF 1 Memory Bits 5 to 7 Not used 38th byte Number of errors during communication Hex 39th to 41st byte 1st error code and page numbe...

Page 132: ...and water ADF White Roller C user C user Soft cloth and water Document Pick up Roller C user C user Soft cloth and water Separation Pad C user C user Soft cloth and water Printer Item 30K 60K Notes Pa...

Page 133: ...mory Then turn off the main switch and disconnect the power cord for safety Lithium Battery The danger of explosion exists if a battery of this type is incorrectly replaced Replace only with the same...

Page 134: ...ver Remove the Left and Right Covers see Left and Right Covers A B C A Right Shield Cover 4 screws 2 hooks B Rear Shield Cover 2 screws 1 hook C Upper Right Cover 3 screws h528r502 wmf A Front Cover 5...

Page 135: ...anel Assembly Remove the Upper Right Cover see Shield Covers A Operation Panel Assembly 2 screws 1 tapping screw with ground wire 1 connector 2 hooks A h528r505 wmf July 30th 1996 REPLACEMENT AND ADJU...

Page 136: ...ht Covers Right Shield Cover and Upper Right Cover see Shield Covers Operation Panel Assembly see Operation Panel Assembly FCU see FCU and Mechanical Control Board A Scanner Unit 4 tapping screws 1 sc...

Page 137: ...per cover B Contact Image Sensor Assembly 1 screw with ground wire 1 connector 2 hooks Contact Image Sensor 3 screws 1 screw with ground wire After replacing the image sensor do the shading initializa...

Page 138: ...ight Covers Upper Right Cover and Right Shield Cover see Shield Covers Front Cover see Front Cover A Tx Motor 2 screws 2 wire clamps 1 connector on the FCU B Document Feed Solenoid 1 tapping screw 2 w...

Page 139: ...hen removing the document pick up roller assembly Slide the Document Feed Roller E to the right together with the white plastic roller clipped to the shaft on the right Note Be careful not to drop the...

Page 140: ...t see Scanner Unit A Mounting Plate 4 tapping screws B Tx Motor Assembly 3 tapping screw 1 screw C Exit Roller Drive Gear D Document Exit Roller see the next page A B h528r513 wmf C h528r514 wmf REPLA...

Page 141: ...sor Board A Speaker Mount Bracket 1 screw 1 screw with ground wire 1 connector B Document Sensor Board 3 tapping screws 1 connector A B h528r512 wmf D h528r515 wmf July 30th 1996 REPLACEMENT AND ADJUS...

Page 142: ...ocument Exit Roller A Document Exit Feeler 1 clip Remove the document feed roller see Document Feed Roller B Document Upper Guide 4 pins C Document Raising Plate 2 pins D Ground Plate 1 screw E Lower...

Page 143: ...bly see Document Exit Feeler Document Raising Plate and Lower Document Feed Guide Assem bly A Platen Roller 1 clipped gear 2 bushings B Document Set Feeler 2 hooks C Registration Feeler 2 hooks Note B...

Page 144: ...9 Friction Pad Remove the document feed roller see Document Feed Roller A Friction Pad 2 hooks Note Be careful not to break the hooks A h528r518 wmf REPLACEMENT AND ADJUSTMENT July 30th 1996 SCANNER 6...

Page 145: ...see Shield Covers A FCU 4 screws 10 connectors on the face 1 connector on the back B Mechanical Control Board 1 screw 1 stud 11 connectors After replacing the FCU do the shading initialization by ser...

Page 146: ...FCU and Mechanical Control Board A NCU 4 screws 2 connectors B 5V PSU Board 2 screws 1 stud 1 connector 6 3 3 Speaker Remove the Right Cover see Left and Right Covers and Right Shield Cover see Shield...

Page 147: ...d Right Covers IWARNING Laser beams can cause permanent eye damage Do not open the laser unit or look along the laser beam path while the main power is on A B C H528r519 wmf A Speaker Bracket 1 screw...

Page 148: ...fer Unit 2 screws 2 connectors 6 3 6 Fusing Unit Fan Remove the Transfer Unit A Harness Cover 2 hooks B Fusing Unit Fan Cover 1 screw 2 hooks C Fusing Unit Fan 2 hooks A B h528r520 wmf A B C h528r543...

Page 149: ...clamp 4 connectors 6 3 8 Fusing Cover Gears To remove components in the fusing section remove the top cover assembly first see Top Cover Assembly Remove the gear cover A 1 screw then the inner gears a...

Page 150: ...ee Fusing Cover Gears A Fusing Cover 4 screws B Harness Cover 2 hooks 6 3 10 Fusing Lamp Remove the fusing cover see Fusing Cover and Harness Cover A Fusing Lamp 2 terminals A B h521r523 wmf A h528r52...

Page 151: ...d Exit Sensor Remove the fusing unit see Fusing Unit then remove the thermistor A with bracket 1 screw A Thermistor 1 screw 1 har ness clamp B Thermostat 2 screws C Exit Sensor 3 hooks A B C h528r526...

Page 152: ...hings B Hot Roller 2 G rings 1 gear 2 bushings 6 3 14 Exit Roller and PCB R Remove the fusing unit see Fusing Unit A Exit Roller 2 bushings 1 gear B PCB R 2 screws with ground plate A B h528r527 wmf A...

Page 153: ...the transfer unit see Transfer Unit A Bracket 2 screws with washer 3 screws 1 screw with ground plate B PSU 4 screws 1 connector 1 harness clamp A B h528r528 wmf July 30th 1996 REPLACEMENT AND ADJUST...

Page 154: ...nd Sensor A Bottom Cover 1 screw 1 hook B High Voltage Power Supply 3 tapping screws with terminals 1 screw with cable 2 connectors C Toner End Sensor 3 hooks D Paper End Sensor 2 hooks A B D C h528r5...

Page 155: ...machine upside down and ap proach it from the bottom 6 4 1 Bottom Plate Assembly and Paper Lifting Plate A Bottom Plate Assembly 4 screws B Paper Raising Plate 2 pins h528r531 wmf A B h528r532 wmf Ju...

Page 156: ...n the paper feed guide assembly A upside down as shown in the diagram B Paper Separation Pad 2 hooks C Paper Feed Roller 1 clipped gear D Registration Sensor 4 hooks 1 connector E Paper Pick up Soleno...

Page 157: ...ing Plate Paper feed guide assembly see Paper Pick up Solenoid and Registra tion Sensor etc Remove 4 screws A Remove bushing B 1 E ring 2 hooks Unhook the two hooks on bushing C Remove the pick up rol...

Page 158: ...D UNIT 6 5 1 Upper Guard and Left and Right Covers A Upper Guard 3 hooks B Left Cover 2 screws 2 pins C Right Cover 2 screws 2 pins A B C h528r537 wmf REPLACEMENT AND ADJUSTMENT July 30th 1996 2ND PAP...

Page 159: ...Gear Assembly 1 screw 1 screw with upper left feed guide C D Pick up Roller 1 E ring 1 bushing 1 pin Note Be careful not to drop the pin when removing the pick up roller E Paper Pick up Solenoid 1 sc...

Page 160: ...r Printer W2 Print Scan width Not adjustable Not adjustable Not adjustable L1 Top margin Scanner Printer Scanner Printer L2 Print Scan length Not adjustable Not adjustable Not adjustable L3 Bottom mar...

Page 161: ...margin by x mm New setting Current setting 7 7x To decrease the margin by x mm New setting Current setting 7 7x 800296 H low 800297 H high 1 7 7 mm BB H 00 H L2 Not adjustable Original length L1 L3 L3...

Page 162: ...x and Copy Mode To increase the margin by x mm New setting Current setting 0 5x To decrease the margin by x mm New setting Current setting 0 5x Standard paper tray 8002C0 H Optional paper feed 8002C1...

Page 163: ...rgin by x mm New setting Current setting 0 45x To decrease the margin by x mm New setting Current setting 0 45x Standard paper tray 8002B4 H Optional paper feed 8002B5 H 0 45 mm 06 H 06 H L2 Not adjus...

Page 164: ...First distinguish whether the problem is caused by the remote terminal or by your machine If the problem is caused by your machine distinguish whether it is due to a scanner problem or a printer probl...

Page 165: ...there is do the following If not go to step 4 Check if the transfer roller is installed correctly or not 4 Check if there is toner on the surface of the development roller If there is do the following...

Page 166: ...ensor Possible Cause Printer The charge is not properly applied Action 1 Check if all the charge bias terminals on the DTM are properly connected If they are go to step 2 If not fix the connections 2...

Page 167: ...Possible Cause Printer Poor drum sensitivity The charge is not properly applied The hot roller is dirty Action 1 Try replacing the DTM 2 Check if the hot roller surface is dirty or not If it is clean...

Page 168: ...nents The doctor blade is deformed or incorrectly positioned Uneven toner supply in the toner hopper Action 1 Print a test pattern and open the cover in the middle of printing 2 Check if the toner is...

Page 169: ...lace the contact image sensor Possible Cause Printer Dirty hot roller stripper Action 1 Clean the hot roller stripper 7 1 6 Horizontal Black Lines Possible Cause Printer The drum surface is scratched...

Page 170: ...er in the middle of printing 2 Check if horizontal white lines where toner is not adhered appear on the drum surface or not If they do go to step 3 If not check the transfer roller surface and the tra...

Page 171: ...re glass Action Clean the exposure glass Try disabling MTF Possible Cause Printer The drum surface is damaged this is likely if the dots appear at 94 2 mm intervals Action Replace the DTM H516T502 wmf...

Page 172: ...surface is damaged this is likely if the dots appear at 94 2 mm intervals The development roller surface is damaged this is likely if the dots ap pear at 51 8 mm intervals Action Replace the DTM H516T...

Page 173: ...ers If it has been selected there is no problem 2 Print a test pattern and open the cover in the middle of printing 3 Check if the toner on the paper at the entrance of the fusing unit looks faint or...

Page 174: ...7 1 13 Ghost Image Possible Cause Printer Poor drum sensitivity Dirty hot roller Action Replace the DTM Clean the hot roller surface 7 1 14 Toner on the Back of the Printer Paper Possible Cause Printe...

Page 175: ...are misaligned Improper print margin setting main scan direction Action Adjust the main scan print margin Refer to Section 5 5 Check that the laser optics are aligned correctly 7 1 16 Misaligned Outp...

Page 176: ...g The Tx motor is defective Action 1 Check that a correct type of document is being used 2 Check that the operation panel is securely closed 3 If the problem still remains do the following Clean the p...

Page 177: ...motor Action 1 Check that a correct type of document is being used and that the docu ment length is within the maximum setting 2 Check for obstructions in the paper path 3 If the problem still remain...

Page 178: ...n 1 Check that a correct type of document is being used 2 Check that the operation panel is securely closed and also check that the document guide is properly set 3 Check for obstructions in the paper...

Page 179: ...r is defective The registration sensor is defective Action 1 Check that a correct type of paper is being used 2 Check that the paper tray and the paper guide is correctly set and check that the paper...

Page 180: ...Replace the main motor Check the FCU output of power and drive signals to the main motor 3 Jam Fusing Exit Possible Cause A non recommended type of paper is being used Obstruction in the paper path T...

Page 181: ...rrectly set 3 Check that the paper pick up rollers are correctly installed and clean or re place them if necessary 4 Check for obstructions in the paper path 5 Multi feed Possible Cause A non recommen...

Page 182: ...call condition for failures which are not related to the fusing unit switch the power off wait 10 seconds then switch back on An SC Code is displayed on the LCD panel when the error occurs If the pro...

Page 183: ...he thermistor is shorted or not If it is replace the thermistor 4 Check the connection between the MCB CN2 and the thermistor 5 Replace the fusing lamp thermistor and or PSU Symptom Mirror Motor Failu...

Page 184: ...rinter Ready signal is not detected longer than a certain period of time When a valid signal from the printer is not detected within a certain period of time Action 1 Check the connection between the...

Page 185: ...ning Check the line connection Check the NCU FCU connectors Try changing the tx level and or cable equalizer settings Replace the FCU or NCU The other terminal may be faulty try sending to another mac...

Page 186: ...Section 4 4 0 14 Non standard post message response code received Check the FCU NCU connectors Incompatible or defective remote terminal try sending to another machine Noisy line resend Try adjusting...

Page 187: ...than the acceptable modem carrier drop time default 0 2 s Check the line connection Check the FCU NCU connectors Replace the NCU or FCU Defective remote terminal Check for line noise or other line pr...

Page 188: ...the scan line when the power was turned on Remove the paper Check the scan line sensor Cross reference ADF mechanical problems Section 7 2 1 1 17 Document jam in the feed out area Clear any debris fr...

Page 189: ...timer expired Replace the FCU 5 20 Storage impossible because of a lack of memory Temporary memory shortage Test the SAF memory Replace the FCU or optional IC card 5 21 Memory overflow 5 22 Mode table...

Page 190: ...00 bps Check for line noise Adjust the tx level use NCU parameter 01 or the dedicated tx parameter for that address Check the line connection Defective remote terminal 6 11 G3 ECM printing impossible...

Page 191: ...motor error If the problem persists replace the MCB Cross reference Fusing unit fan motor error Section 7 3 9 35 Unexpected printer error If the problem persists replace the MCB or FCU Cross reference...

Page 192: ...of copying Interlock switches There is no alarm on opening the cover and CLOSE COVER is not displayed CLOSE COVER is displayed at power up Registration sensor Fusing exit sensor CLEAR COPY is display...

Page 193: ...EO COM 1 SRCLK 5V Heater Lamp CPRDY EPRDY STS ETBSY TOD PRDY H Synch COM 1 COM 1 COM 1 COM 1 Reset COM 1 COM 1 24V SW 24V SW CN1 CN5 1 2 3 4 5 6 7 Line Synchronization GND LD APC1 LD APC2 CO Print Dat...

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Ricoh FAX1700L, Service Manual

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