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Ricoh BR0, Service Manual

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Ricoh BR0 Service Manual Download Page 28

2.3. PCBs

2.3.1. FCU 

1. FCIP (Facsimile Controller and Image Processor)

•

CPU

•

Modem (V.29, V.27, V.21)

•

Data compression and reconstruction (DCR)

•

Digital image processor (DIP)

•

Laser interface (LIF)

•

DMA controller

•

Clock generation

•

Stepper motor control

Contact

Image

Sensor

Amplifier

System

ROM

(4MEPROM)

System RAM

(SRAM)

DATA/ADDRESS BUS

Video

SRAM

Drivers

Thermal

Head

Thermistor

Tx

and

Rx motors

Operation

Panel

Sensors

Jam Sensor /

Paper End Sensor

Speaker

NCU

Handset

Control Signals

DRAM

Working

RAM

ECM/SAF

Memory

FCIP

MDM

CPU
RU8

DCR

CKG

DIP

LIF

DC-DC

Converter

Amplifier

/ Filter

PSU

RTC

Cutter

FCU

H068D506.wmf

August 7th, 1995

DETAILED SECTION DESCRIPTIONS

PCBs

2-12

Summary of Contents for BR0

Page 1: ...BRO BR1 RICOH FAX180 170 SERVICE MANUAL August 7th 1995 Subject to change...

Page 2: ...danger of explosion exists if a battery of this type is incorrectly replaced Replace only with the same or an equivalent type recommended by the manufacturer Discard used batteries in accordance with...

Page 3: ...es Slerexe letter TAM off 916 kbytes 75 pages Slerexe letter Compression BR0 MH MR MMR EFC SSC BR1 MH MR EFC SSC Protocol Group 3 Modulation V 29 QAM V 27ter PHM V 21 FM Data Rate bps 9600 7200 4800 2...

Page 4: ...Dimensions W X D X H 396 X 281 X 108 mm 15 6 X 11 1 X 4 2 excluding trays Weight Approx 5 Kg 11 lbs excluding trays and thermal paper OVERALL MACHINE INFORMATION August 7th 1995 SPECIFICATIONS 1 2...

Page 5: ...Message A X Communication Features User Selectable BR0 BR1 Batch Transmission X X Broadcasting O X Chain Dialing O O Communication Result Dis play X X Confidential ID Override X X Confidential Transm...

Page 6: ...ntial ID X X Copy Editing Erase Cen ter Margin X X Copy mode O O Other User Features BR0 BR1 Copy Mode Restriction X X Counters O O Daylight Saving Time O O Destination Check X X Direct entry of names...

Page 7: ...oller Feeds the document through the scanner 7 Separation Pad Spring This applies pressure to prevent the ADF roller from feeding more than one sheet at a time 8 Separation Pad Allows one page into th...

Page 8: ...epper motor drives the scanner 6 Scanner Drive Gear This drives the scanner roller 7 ADF Roller Drive Gear This drives the ADF roller 8 Rx Motor This stepper motor drives the platen roller 9 Platen Ro...

Page 9: ...ard controls the operation panel 9 FCU Facsimile Control Unit This board controls the machine It contains the main cpu ROM system RAM drivers for the motors a dc dc converter and so on 10 PSU Power Su...

Page 10: ...ent is greater than A4 LT size 11 Printer Jam Sensor This detects when the paper is approaching the cutter and detects jams in the printer 12 Cover Open Paper End Sensor This detects when the printer...

Page 11: ...emory ECM buffer memory and work area A 512 KB 4 Mbit EPROM is used for the system ROM Note The LIF Laser Interface is the same circuit used for laser fax machines adapted for use in thermal fax machi...

Page 12: ...scanned data is stored in the SAF memory after compression in the DCR block At the time for transmission the DCR block decompresses the data from the SAF memory then compresses it again after handshak...

Page 13: ...ressed data passes to the SAF mem ory as a backup in case of mechanical problems during printing substitute reception The raster image data is then sent to the thermal head through the LIF block FCU F...

Page 14: ...FCU Original Amplifier Video Processing Memory DRAM ECM SAF Memory DATA ADDRESS BUS FCIP DIP DCR LIF LED Array Contact Image Sensor Assembly Image Sensor Copy Paper Thermal Head FIFO Memory MDM Modem...

Page 15: ...hed off A lithium battery is used to generate 5VBAT 5VCIS This is a more stable power supply than 5V It is used for the image sensor 5V This is used for the image sensor FCU Thermal Head Cutter Scan L...

Page 16: ...c dc converter IC30 lifts this voltage to 5 volts so it can be used as the 5VD supply for SAF backup The CPU monitors the voltage of the 5VD supply with the VDVDET signal When the dry cells have run d...

Page 17: ...ler B and separation rubber plate C to separate and feed the documents The scanning mechanism consists of the tx motor D the gear E R1 roller driver gear F R1 roller G scanner roller drive gear H scan...

Page 18: ...te A aligns the leading edges of the pages of the document When the document sensor detects a document in the ADF the machine starts pre feeding the document The ADF roller A feeds the bottom sheet of...

Page 19: ...to SAF Memory Tx 12 s Detail 23 s Fine 46 s The scanner can feed paper up to 257 mm 10 1 wide However the actual scan width is 256 mm B4 10 1 China models 210 mm A4 8 3 Asia models and 216 mm Letter 8...

Page 20: ...S up so that the docu ment always touches the exposure glass at the scan line The white level is stored in the SRAM on the FCU at the factory The white level must be adjusted when the ROM or CIS is re...

Page 21: ...The scan line sensor does not turn off after the maximum document length has been fed since it turned on The maximum acceptable document page length can be adjusted to 0 6 m 23 6 1 2 m 47 2 or 14 m 46...

Page 22: ...roller so that the printing and paper feeding can be performed The cutter unit cuts the paper The cover open paper end sensor F is on the FCU This sensor informs the CPU of both conditions printer co...

Page 23: ...en closed the cutter unit cuts the paper When the Start key is pressed the platen roller feeds the paper 60 mm Then the cutter unit cuts the paper After cutting the paper goes back to the standby posi...

Page 24: ...r runs out the actuator of the cover open paper end sensor D pivots into the sensor and REPLACE PAPER is displayed When paper runs out while a received message is being printed the machine will operat...

Page 25: ...case image skew may occur In the worst case paper jams may occur To prevent such conditions a paper holder shaft A is used to secure the paper The printer jam sensor B located in the cutter unit detec...

Page 26: ...r A is switched on when the rotary cutter blade B is at the home position When the cutter blade moves to the opposite position to cut the paper the cutter sensor is turned off When the cutter blade re...

Page 27: ...sor does not turn on within 1 0 s of the rotary cutter returning to home position The cutter sensor is switched off when the printer cover is closed The cutter sensor is switched off when the machine...

Page 28: ...control Contact Image Sensor Amplifier System ROM 4MEPROM System RAM SRAM DATA ADDRESS BUS Video SRAM Drivers Thermal Head Thermistor Tx and Rx motors Operation Panel Sensors Jam Sensor Paper End Sen...

Page 29: ...cillator for system clock generation 32 768 MHz oscillator for the real time clock This is backed up by the lithum battery on the FCU 7 Others Stepper motor driver Battery back up circuit for back up...

Page 30: ...2 3 3 NCU Surge protection circuit DC loop current detection Dial pulse creation Tone signal detection Ringing detection Monitor speaker driver August 7th 1995 DETAILED SECTION DESCRIPTIONS PCBs 2 14...

Page 31: ...untry code System switch 0F Function 01 PABX access code RAM address BRO 8000BB H BR1 0051BB H Function 06 Machine s serial number BRO Function 14 BR1 Function 13 Items to Program User Administration...

Page 32: ...ON KPAD NEXT SERVICE FUNCTIONS 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 communicatio...

Page 33: ...ror Code Display Function 03 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 Serv...

Page 34: ...6 Y 0 MEM R W 1 MEM DUMP 3 0 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 y...

Page 35: ...Then press Start to print the dump list MEMORY DUMP START N ADD 800000 8001FF Example Start at 800000 end at 8001FF 80008001S MEMORY DUMP 5 Finish FU 4 1 8 4 1 8 Counter Display Rewrite Function 07 1...

Page 36: ...8 Y 3 0 0 NCU 1 MODEM 2 DTMF 4 Scroll through the parameters using or If you want to change a value enter the new value at the keypad then press Y Example Set NCU parameter 04 to 005 0 0 5 Y NCU KPAD...

Page 37: ...11 DTMF Tone Test Function 08 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 0 8 Y 0 NCU 1 MODEM 2 DTMF 3 2 DTMF TEST START TONE 0 4 Scroll through the available tests using...

Page 38: ...0 4 S 5 To stop the test press s 6 To finish N FU 4 1 13 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 START...

Page 39: ...g level after a RAM clear has been done 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 2 START SET SHADING 4 Place a Shading Chart in the feede...

Page 40: ...5 Press a key from 0 to 4 6 Press S A test pattern is printed 7 To finish N FU 4 1 17 Printer Mechanism Test Free Run Function 11 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT 9 SERVICE FUNCTIO...

Page 41: ...rvice Station Fax Number Function 13 This feature is for the BRO only All messages in memory will be sent to the service station when bit 0 of sys tem switch 02 is set to 1 1 FU 6 1 9 9 5 then immedia...

Page 42: ...ly Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 1 4 Y SERIAL KPAD 3 Enter the machine s serial number at the keypad To correct a mistake N SERIAL KPAD Y N RICOH 1234567 4 If the display is correct Y 5 Fin...

Page 43: ...files e g polling rx file 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 3 the following items are erased own...

Page 44: ...fixed at 00 for transmission records and ECM reception records 3 Line quality data output method 0 Measure of error rate during image data transmission only 1 Rx level This bit determines the data ty...

Page 45: ...mpression MH MH compression Resolution SSF Fine transmitted at 8 x 15 4 dots per mm DTL Detail transmitted at 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...

Page 46: ...g the messages BR1 Do not change the setting 4 Not used Do not change the settings 5 Not used Do not change the settings 6 7 Memory read write by RDS Bit 7 6 Setting 0 0 Always disabled 0 1 User selec...

Page 47: ...evel 1 The CSI can only be programmed using a service function 7 Telephone line type programming mode 0 User level 1 Service level 1 Telephone line type selection can only be programmed using a servic...

Page 48: ...This will include telephone calls 2 Automatic error report printout 0 Disabled 1 Enabled 0 Error reports will not be printed 1 Error reports will be printed automatically after failed communications 3...

Page 49: ...No FUNCTION COMMENTS 0 1 Automatic reset timer Bit 1 Bit 0 Timer setting 0 0 1 minute 0 1 3 minutes 1 0 5 minutes 1 1 No limit 1 1 Automatic reset is disabled Other The machine returns to the standby...

Page 50: ...reference NCU country code Function 08 parameter CC System Switch 10 Not used do not change the settings System Switch 11 No FUNCTION COMMENTS 0 TTI printing position 0 On the image 1 Outside the ima...

Page 51: ...ner Switch 02 No FUNCTION COMMENTS 0 to 7 Contrast threshold with halftone disabled Normal setting The value can be between 00 to 1F For a darker threshold input a lower value Default setting 0E H Sca...

Page 52: ...o not change the settings Printer Switch 07 Not used do not change the settings Printer Switch 08 Not used do not change the settings Printer Switch 09 Not used do not change the settings Printer Swit...

Page 53: ...MH MR 1 0 MH MR MMR 1 1 Not used These bits determine the compression capabilities to be used in the transmission and to be declared in phase B handshaking of the T 30 protocol Cross reference EFC com...

Page 54: ...its are compared 1 1 The machine will not transmit if the other end does not identify itself with an RTI or CSI 0 0 Nothing is checked transmission will always go ahead 4 Operator call if no response...

Page 55: ...only 0 Deleted from memory without printing 1 Printed 0 Pages received with errors are not printed BR1 Do not change the setting 3 Hang up decision when a negative code RTN or PIN is received during G...

Page 56: ...05 No FUNCTION COMMENTS 0 to 3 Digit for reception mode switchover 00 09 Hex 4 to 7 Not used Do not change the settings Communication Switch 06 Not used do not change the settings Communication Switch...

Page 57: ...mum interval between automatic dialing 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 N...

Page 58: ...MENTS 0 to 7 Immediate transmission Interval between dialing attempts to the same destination 00 FF Hex minutes Communication Switch 14 1F Not used do not change the settings August 7th 1995 SERVICE T...

Page 59: ...ing memory transmission BR1 Do not change the settings 3 to 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...

Page 60: ...UNCTION COMMENTS 0 DIS detection number Echo countermeasure 0 1 1 2 0 The machine will hang up if it receives the same DIS frame twice 1 Before sending DCS the machine will wait for the second DIS whi...

Page 61: ...sed 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 Other settings Not used The s...

Page 62: ...llback occurs frequently 4 to 7 Not used Do not change the settings G3 Switch 08 FUNCTION COMMENTS 0 1 PABX cable equalizer tx mode Bit 1 Bit 0 Setting 0 0 None 0 1 Low 1 0 Medium 1 1 High Use a highe...

Page 63: ...Reconstruction time for the first line in receive mode 0 6 s 1 12 s When the sending terminal is controlled by a computer there may be a delay in receiving page data after the local machine accepts se...

Page 64: ...olumn The addresses in brackets are used for BR1 Address Function Unit Remarks 807F00 006700 Country code for NCU parameters Use the Hex value to program the country code directly into this address or...

Page 65: ...e HIGH 807F0B 00670B PSTN dial tone continuous tone time 807F0C 00670C PSTN dial tone permissible drop time 807F0D 00670D PSTN wait interval LOW 807F0E 00670E PSTN wait interval HIGH 807F0F 00670F PST...

Page 66: ...drop time 807F20 006720 PABX wait interval HIGH 807F21 006721 PABX wait interval LOW 807F22 006722 PABX ringback tone detection time 20 ms Detection is disabled if this contains FF 807F23 006723 PABX...

Page 67: ...F33 006733 Busy tone signal state time tolerance for all ranges and number of cycles required for detection a setting of 4 cycles means that ON OFF ON or OFF ON OFF must be detected twice Tolerance Bi...

Page 68: ...frequency limit LOW 807F43 006743 Country dial tone detection time 20 ms If 807F43 contains FF the machine pauses for the pause time 807F48 807F49 807F44 006744 Country dial tone reset time LOW 807F45...

Page 69: ...eter 21 See Note 5 807F55 006755 to 807F58 006758 Not used Do not change the settings 807F59 006759 Grounding time ground start mode 20 ms The Gs relay is closed for this interval 807F5A 00675A Break...

Page 70: ...uency range 2 lower limit Function 08 parameter 05 807F76 006776 Number or rings until a call is detected 1 Function 08 parameter 06 807F77 006777 Minimum required length of the first ring 20 ms See N...

Page 71: ...sed Do not change the factory setting 807FA4 0067A4 807FA5 0067A5 CED detection time 20 ms 20 ms Factory setting 200 ms 807FA6 0067A6 Not used Do not change the factory setting 807FA7 0067A7 807FA8 00...

Page 72: ...level N 807FB4 0 5N 807FB5 dB 807FB6 0067B6 PSTN 2100 Hz tone transmission level N 807FB4 0 5N 807FB6 dB 807FB7 0067B7 PABX Tx level from the modem dBm 807FB8 0067B8 PABX 1100 Hz tone transmission lev...

Page 73: ...674F are the values for 10 pps If 20 pps is used the machine auto matically compensates 4 The first ring may not be detected until 1 to 2 5 wavelengths after the time specified by this parameter 5 The...

Page 74: ...0A8 380 505 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...

Page 75: ...fault 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 10A 300 53...

Page 76: ...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 BRO 807F34 80...

Page 77: ...ange Hz 030 410 440 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...

Page 78: ...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 79: ...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 80: ...FH FFH FFH FFH Singapore FFH FFH FFH FFH FFH Malaysia FFH FFH FFH FFH FFH China FFH FFH FFH FFH FFH Country 807F06 006706 807F07 006707 807F08 006708 807F09 006709 807F0A 00670A Israel 4H 00H 105 E8H...

Page 81: ...FFH FFH FFH FFH Asia FFH FFH FFH FFH FFH Hong Kong FFH FFH FFH FFH FFH South Africa FFH FFH FFH FFH FFH Australia 4H 00H 0H 50H 4H New Zealand FFH FFH FFH FFH FFH Singapore FFH FFH FFH FFH FFH Malaysi...

Page 82: ...FH FFH Asia FFH FFH FFH FFH FFH Hong Kong FFH FFH FFH FFH FFH South Africa FFH FFH FFH FFH FFH Australia 0H 38H 4H 00H 12 New Zealand FFH FFH FFH FFH FFH Singapore FFH FFH FFH FFH FFH Malaysia FFH FFH...

Page 83: ...H FFH FFH FFH Asia FFH FFH FFH FFH FFH Hong Kong FFH FFH FFH FFH FFH South Africa FFH FFH FFH FFH FFH Australia FFH FFH FFH FFH FFH New Zealand FFH FFH FFH FFH FFH Singapore FFH FFH FFH FFH FFH Malays...

Page 84: ...FH 00H 00H 61 USA FFH FFH 00H 00H 77 Asia FFH FFH 00H 00H 61 Hong Kong FFH FFH 00H 00H 61 South Africa FFH FFH 00H 00H 61 Australia FFH FFH 00H 00H 255 New Zealand FFH FFH 00H 00H 245 Singapore FFH FF...

Page 85: ...a 00H 00H FFH FFH FFH Hong Kong 00H 00H FFH FFH FFH South Africa 00H 00H FFH FFH FFH Australia 00H 00H FFH FFH FFH New Zealand 00H 00H FFH FFH FFH Singapore 00H 00H FFH FFH FFH Malaysia 00H 00H FFH FF...

Page 86: ...1H 25 00H Asia 10 90H 1H 25 00H Hong Kong 10 90H 1H 25 00H South Africa 10 90H 1H 25 00H Australia 6 90H 1H 25 00H New Zealand 10 90H 1H 25 00H Singapore 10 90H 1H 25 00H Malaysia 10 90H 1H 25 00H Chi...

Page 87: ...22H FFH 0H USA 19H 96H 22H FFH 0H Asia 19H 96H 22H FFH 0H Hong Kong 19H 96H 22H FFH 0H South Africa 19H 96H 22H FFH 0H Australia 19H 96H 22H FFH 0H New Zealand 19H 96H 22H FFH 0H Singapore 19H 96H 22H...

Page 88: ...0 0 0FH South Africa 0 6 0 0 0FH Australia 00H 11 2 0 0FH New Zealand 00H 8 0 0 0FH Singapore 0 6 0 0 0FH Malaysia 0 6 0 0 0FH China 0 6 0 0 16H Country 807FDA 0067DA Israel 59 USA 53 Asia 47 Hong Kon...

Page 89: ...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 90: ...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 bi...

Page 91: ...0 First DIS or NSF 0 1 Second 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...

Page 92: ...CD 800004 H 005104 H Day BCD 800006 005106 to 800016 H 005116 H Machine s serial number 17 digits ASCII 800018 H 005118 H Total program checksum low 800019 H 005119 H Total program checksum high 80001...

Page 93: ...2 Not used Bit 3 TSI included in transmitted messages 0 Disabled 1 Enabled Bits 4 to 7 Not used 8000A3 H 0051A3 H User parameter switch 03 Automatic report printout Bit 0 Transmission result report me...

Page 94: ...TIs CSIs are specified for this feature are forwarded 1 1 Faxes from senders whose RTIs CSIs are not specified for this feature are forwarded 8000A9 H 0051A9 H User parameter switch 09 Bits 0 to 7 Not...

Page 95: ...8000EF H 0051E9 H CSI Max 20 characters ASCII 8000F0 0051EA to 80010F H 005209 H TTI Max 32 characters ASCII Note 1 800110 H 00520A H Number of CSI characters Hex Note 1 If the number of characters ar...

Page 96: ...8A H Printer total jam counter COPY JAM 005249 to 00524A 800197 to 800199 H Copy counter COPY 00524F to 005251 800245 to 80024C H Last RDS operation Read only 005283 to 005289 H 800245 H 005283 H Year...

Page 97: ...0 Normal 1 High Bit 3 Background detection threshold 0 Low 1 High Bit 4 Not used do not adjust the factory setting Bit 5 MTF algorithm 0 Low 1 High Bit 6 Not used do not adjust the factory setting Bit...

Page 98: ...ived Hex 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...

Page 99: ...3 Send 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 duing communication Hex 39th to 41st byte 1st error code and page num...

Page 100: ...exists if a battery of this type 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...

Page 101: ...panel cover A Spring Plate 1 grounding wire B Separaton Pad Ass y 1 spring C D Separation Pad NOTE Make sure that the spring plate is installed correctly as shown above A H068R002 WMF A Operation Pan...

Page 102: ...1 connector After installing the CIS the shading adjustment should be done using service function no 10 see section 4 1 15 NOTE 1 Make sure the spring plate guides B are arranged as shown 2 Do not to...

Page 103: ...tter Assembly A A B H068R006 WMF First open the printer cover A Decurler 4 tabs B Thermal Head 2 hooks 1 tab A H068R005 WMF First remove the upper cover A Cutter Ass y 3 screws 2 connectors REPLACEMEN...

Page 104: ...rst remove the upper cover A PSU 2 screws 2 connectors 1 grounding wire B FCU 8 connectors 4 screws C NCU 2 screws 1 connector 1 grounding wire NOTE The FCU and NCU are attached by the same connector...

Page 105: ...tor 2 screws 1 connector F Idle Gear G Feed Roller 1 gear 2 bushings 1 E ring H R1 Roller 1 gear 2 bushings 1 E ring I Idle Gear J Platen Roller 1 gear 2 bushings 1 E ring NOTE 1 When installing the r...

Page 106: ...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 107: ...laten roller are in the correct position 3 Replace the thermal head 4 Replace the FCU 6 1 2 Black Copies Possible Cause Scanner The harness connecetd to the FCU is out of position The contact image se...

Page 108: ...rection error or wrong threshold Action 1 Clean the exposure glass of the image sensor 2 Adjust the scanner contrast threshold settings using Function 10 2 See section 4 1 15 H516T512 wmf H516T507 wmf...

Page 109: ...sor 2 Replace the image sensor Possible Cause Printer The thermal head or the platen roller is not in the correct position The thermal head is defective Action 1 Check if the thermal head and the plat...

Page 110: ...ction 1 Clean the exposure glass 2 Replace the contact image sensor Possible Cause Printer The thermal head is defective The paper in the machine is scratched Action 1 Replace the thermal head 2 Check...

Page 111: ...thermal head is defective The FCU is defective Action 1 Check the connection between the FCU CN13 and the thermal head 2 Replace the thermal head 3 Replace the FCU H516T510 wmf H516T511 wmf TROUBLESH...

Page 112: ...sensor element s Action Replace the image sensor Possible Cause Printer The thermal head is defective The FCU is defective Action 1 Replace the thermal head 2 Replace the FCU H516T512 wmf H516T506 wmf...

Page 113: ...thermal head is defective The FCU is defective Action 1 Check the connection between the FCU CN13 and the thermal head 2 Replace the thermal head 3 Replace the FCU H516T509 wmf H516T511 wmf TROUBLESH...

Page 114: ...rection error or wrong threshold The FCU is defective Action 1 Clean the exposure glass of the image sensor 2 Adjust the scanner contrast threshold settings using Function 10 2 See section 4 1 15 3 Re...

Page 115: ...ding correction error or wrong threshold The FCU is defective Action 1 Clean the exposure glass of the image sensor 2 Adjust the scanner contrast threshold settings using Function 10 2 See section 4 1...

Page 116: ...Adjust the scan threshold settings using Function 10 2 See section 4 1 15 3 Replace the image sensor Possible Causes Printer The thermal head or the platen roller is not in the correct position Action...

Page 117: ...properly closed The ADF and feed rollers are dirty or worn out Incorrect positioning of the separation pad or the pad is missing The Tx motor is defective Action 1 Check that a correct type of docume...

Page 118: ...tx 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 rem...

Page 119: ...ng 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 path 4 If the problem still remains do the foll...

Page 120: ...that the platen roller is properly installed Clean or replace if neces sary 3 Check the thermal head spring and its mechanism Re install or replace if necessary 4 Check that the cutter jam sensor is c...

Page 121: ...hermal head are correctly set 2 Check for obstructions in the paper path 3 Check the platen roller Clean or replace if necessary 4 Check that the printer jam sensor is working properly 5 If the proble...

Page 122: ...paper feed mechanism Action 1 Check if a correct type of paper is being used 2 Re install the paper roll 3 Check that the platen roller and thermal head ass y are correctly set 4 Clean or replace the...

Page 123: ...ne 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 machine If the rx si...

Page 124: ...1 PSTN RAM BRO 807FB7 BR1 0067B7 PABX Cable equalizer G3 Switch 07 PSTN G3 Switch 08 PABX Dedicated Tx parameters Section 4 4 0 14 Non standard post message response code received Check the FCU NCU co...

Page 125: ...e terminal Check for line noise or other line problems Try asking the other end to adjust their tx level Try adjusting the rx cable equalizer setting and or rx error criteria Cross reference Rx cable...

Page 126: ...area Clear any debris from the sensor and the paper path Clean the printer jam sensor Check the cutter mechanism Check the connections from the FCU to the cutter motor and cutter sensor Replace the cu...

Page 127: ...he messages which are currently in the memory to be sent or delete some files from memory 5 25 SAF file access error Replace the FCU 5 30 Mode table for the first page to be printed was not effective...

Page 128: ...lems in the printer mechanism 6 21 V 21 flag detected during high speed modem communication The other terminal may be defective or incompatible 6 39 V 21 signal not stopped within 6 s Replace the FCU...

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