Ricoh FACSIMILE FAX77 Field Service Manual Download Page 146 | Manualshive

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5-2. Copy Quality Troubleshooting

1. Received Copies

If there is no fault in the transmitting terminal or on the line, but the copy quality is bad, either:
• Check that the printer cover is closed properly.
• Check the thermal head pulse width.
• Clean the thermal head (soft cloth, do not use water)

• Replace the thermal head or FCU.

If the output is always stretched: Check the printer mechanism and timing belts.

2. Copies made in Copy Mode

The following faults must be considered in addition to the printer faults mentioned above.

Symptom

Causes

Remedies

Blank or black

Scanner or PCB failure

Replace FCU or SBU.

copies

Vertical lines

Dirty mirror, lens, ex-

Clean with a soft cloth

posure glass, or xenon

lamp

Error bit in CCD

Replace SBU.

5-4

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Summary of Contents for FACSIMILE FAX77

Page 1: ...RICOH FACSIMILE RICOH FAX77 80 85 FIELD SERVICE MANUAL...

Page 2: ...REPORTS 2 1 Operation Panel 2 1 2 2 User Level Programming 2 5 1 Function List 2 5 2 Others 2 10 1 Keystroke Programs 2 10 2 Voice Message FAX80 85 only 2 10 2 3 Service Level Functions 2 12 1 Functio...

Page 3: ...Cover 3 2 3 1 3 Rear Cover 3 2 3 2 Scanner 3 3 3 2 1 ADF Clutch 3 3 3 2 2 Pick up and Feed Rollers 3 4 3 2 3 Separation Roller 3 5 Separation Pressure Adjustment 3 7 3 2 4 Tx Motor 3 8 Timing Belt Te...

Page 4: ...ration 5 7 1 ADF Scanner 5 7 2 Printer 5 10 5 4 Error Codes 5 14 5 5 Defective Sensor Table 5 25 5 6 Timing Charts 5 26 1 Scanner 5 26 2 Printer 5 27 SECTION 6 RICOH MEMORY OPTION TYPE 85 7 1 Point to...

Page 5: ...SECTION 1 INSTALLATION...

Page 6: ...14 1 3 3 Power Requirements 1 15 1 4 Accessory Check List 1 16 1 5 Installation Procedure 1 17 1 6 Initial Programming 1 19 1 Date and Time Function 50 1 19 2 Telephone Line Type Function 81 1 19 3 RT...

Page 7: ...adjustment Width 148 216 mm 5 8 8 5 ins Thickness 0 05 to 0 15 mm 2 to 6 mils Document feed Automatic feed face down ADF capacity 30 using 55 kg paper Scanning method Flat bed with CCD Maximum scan wi...

Page 8: ...xtra 0 5 M SAF FAX77 MH MR FAX80 85 MH MR EFC MMR only for storage in SAF memory V 29 V 27ter V 21 AM PM VSB QAM Groups 2 and 3 autocompatibility Group 3 with ECM also available FAX80 85 only 9600 720...

Page 9: ...x D x H Weight 50 black chart 23 5 W 51 5 W 56 5 W 140 7 W Sub scan 15 4 lines mm 392 lpi 220 240V 50 Hz CCITT 1 chart Standby 23 5 W Transmit 40 5 W Receive 37 5 W Copying 48 7 W Temperature 17 28 d...

Page 10: ...tel o o o Telephone set x x x KEY Cabinet x x x o Used ADF capacity using 55 kg paper 30 30 30 x Not used Manual feed for thick originals o o o Monitor speaker o o o Microphone x o o Speakerphone x x...

Page 11: ...8 x 7 7 to 8 x 15 4 smoothing is only done if the tx side scanned in 8 x 15 4 resolution and in formed this in the set up protocol Communication Features Auto Machine Default FAX77 FAX80 FAX85 FAX77 F...

Page 12: ...Quick Dial Keys 15 30 30 Keystroke programs See Note 1 15 30 30 Groups 7 7 7 max no of addresses group 100 100 100 max no of full tel nos in all groups 10 10 10 Alternative destination o o o Departmen...

Page 13: ...rough PBX o o o x x x Polling ID code security x x x EFC disabling option x x x Auto reduction override option x x x Resol n stepdown override option W Germany o o o On On On Conf l password override...

Page 14: ...broadcasters 1 1 1 max no of end receivers 30 30 30 time designatable x x x Action as a Transfer Broadcaster x x x Polling Transmission o o o free secured option o o o stored ID override o o o from m...

Page 15: ...efault FAX77 FAX80 FAX85 FAX77 FAX80 FAX85 Jorrnal optional o o o On On On Transmission Report optional o o o On On On Off in Asia Error Report optioal o o o On On On Transfer Result Report o o o Poll...

Page 16: ...one List includes Group List o o o Polling File List o o o SAF File List x x o Authorized Reception List o o o Program List o o o Reports Service Machine Default FAX77 FAX80 FAX85 FAX77 FAX80 FAX85 Au...

Page 17: ...Dial Group programming o o o Polling ID code o o o RTl TTl CSl o o o Italy W Ger CSI Service mode Direct entry of labels and identifiers o o o Polling file clearance o o o Memory file clearance x x o...

Page 18: ...o Modem DTMF tone tests o o o Operation panel test o o o Xenon lamp lighting o o o Sensor initialization o o o Back to back test o o o Buzzer test o o o Line condition check o o o Printer test patter...

Page 19: ...three times per hour Avoid placing the machine where it will be exposed to corrosive gases 9 Place the machine on a strong and level base Place the machine where it will be Not subject to direct sunl...

Page 20: ...1 3 2 Minimum Space Requirements 1 14...

Page 21: ...wer Requirements Voltage 220 240 V 50 Hz capable of supplying more than 10 A Power Outlet Must be properly grounded If possible do not connect other equipment to the same outlet Insert the plug secure...

Page 22: ...st 1 Copy Tray 2 Document Tray 3 Sub Document Table 4 Thermal Paper 30 m 5 Allen Key 6 Allen Screws 2 pcs 7 Operation Manual 8 Quick Reference Guide 9 Quick Dial Labels 10 NECR 11 Power Cord 12 Teleph...

Page 23: ...1 5 Installation Procedure 1 Attach the copy tray 1 2 Attach the document tray 2 1 17...

Page 24: ...ad iii Install the roll iv Pull out the leading edge about 8 ins and feed it between the guid plates 4 under the green line 4 Attach the sub document tray 5 2 screws 5 Close the printer 6 Open the sca...

Page 25: ...ype Function 81 This must match the dialling method accepted by the exchange or the machine will not be able to dial 1 Make sure that the unit is in standby mode Note German Italian and Universal vers...

Page 26: ...ker s machine RTI Function 63 1 Make sure that the machine is in standby mode 2 Press Function enter 63 and press Yes 3 Type in the RTI FAX77 Letters Quick Dial keys and Speed Dial key Each key can be...

Page 27: ...bol appears Press if you go past the required symbol Then press Clear to move the cursor You cannot move the cursor backwards Note The RTI can have up to 20 characters Press Function when it is finish...

Page 28: ...ss Yes 3 Type in the fax terminal s telephone number at the ten key pad Note The CSI can have up to 20 characters numbers and spaces only 4 At the end of the CSI press then Yes then Function 4 Polling...

Page 29: ...access code ii Country code iii Area code iv Press Pause Redial v Telephone number Press No if you made a mistake 4 To store press Yes then Function 6 Password Function 84 In the FAX85 this password i...

Page 30: ...SECTION 2 PROGRAMMING TESTING...

Page 31: ...tion 92 2 20 8 RAM Printout Function 93 2 20 9 Displaying Error Codes and Printing the Service Report Function 94 2 21 10 Programming the Serial Number Function 95 2 21 11 Programming the Thermal Head...

Page 32: ...2 1 Operation Panel FAX77 2 1...

Page 33: ...2 2...

Page 34: ...r 8 Voice Message Indicator FAX80 85 only This is lit when voice message has been switched on 9 Replace Paper Indicator Blinks when the paper roll is almost empty and remains lit when it is empty 10 H...

Page 35: ...ea ture 20 Pause Redial Key When entering a telephone number at the ten key pad press this key when you need to enter a pause Also press this key when you wish to redial one of the last ten numbers th...

Page 36: ...Includes pages scanned printed in copy mode Press Function after viewing 53 Page count on off Turns on off the PAGES 00 KPAD N prompt Press 1 to turn it on or 2 to turn it off 54 Department code on of...

Page 37: ...r is out of paper or jammed and you are expecting a message longer than about 9 pages you can turn off substitute reception and ask the other end to resend the message Press 1 to turn it on or 2 to tu...

Page 38: ...memory files FAX85 only Enter the file number Then press Clear 68 Reception mode switching timer This is a timer that automatically switches the machine between Auto and Manual Receive modes For each...

Page 39: ...and Group Dial Press Yes or No when the name of each list is displayed Then press Copy for the lists Press Copy for a list of polling files still waiting for ex ecution Press Copy for information on...

Page 40: ...s is a service function Switch this off if you want the other end to receive exact copies of the original without the TTl at the top of the page Press 1 to turn it on and 2 to turn it off Press 1 to t...

Page 41: ...uick Dial key that you wish to store the program in Do not press a key that already has a num ber or program stored in it Press Yes then press Stop 2 Voice Message FAX80 85 only The voice message is u...

Page 42: ...press 2 then Start Switching Voice Message On Off Press Voice Message then 3 To switch the message on press 1 or to switch it off press 2 Press Voice Mes sage to return to standby Editing a Voice Mess...

Page 43: ...See page 2 14 75 Printing all memory files All files in the memory including confidential recep tions will be printed This is only available in the FAX85 See page 2 17 90 Bit switch programming Use t...

Page 44: ...displayed The service report lists the most recent 32 error codes and gives information on the 10 most recent communications that experienced errors See page 2 20 When installing the unit use this fun...

Page 45: ...s step is optional outside W Germany Also the machine automatically exits service mode immediately after you finish a function unless you used the function for less than 5 minutes In that case the mac...

Page 46: ...ess No if you make a mistake Then press Yes The display now shows the settings for byte no 1 The second line shows the current settings of tx parameter byte number 1 Bit 7 is at the left end of the di...

Page 47: ...Initial modem rate Bit 1 0 Rate bps 0 0 9600 0 1 7200 1 0 4800 1 1 2400 Bits 2 to 5 Tx level Bit 2 3 4 5 Level dB and so on until Bit 6 Not used Bit 7 Dedicated Parameters Disable Enable 0 Disabled t...

Page 48: ...sion 0 Disabled 1 Enabled Bits 2 to 4 Not used Bits 5 and 6 Compression methods available and priority Bit 6 5 Methods 0 0 MH MR MR priority 0 1 MH MR MR priority 1 0 MH only 1 1 Not used Bit 7 Short...

Page 49: ...switch the machine off to clear all files from the memory 5 Bit Switch Programming Function 90 The bit switches are explained in section 2 5 Consult technical services before changing a bit switch WA...

Page 50: ...that corresponds to the bit that you want to change Example Change the setting of bit 6 press 6 Either Change more bit switches using step 4 Press Function to return to standby 6 RAM Data Display and...

Page 51: ...1 Enter the service mode See page 2 13 2 Press the Function key enter 92 then press Copy 8 RAM Printout Function 93 1 2 3 4 Enter the service mode See page 2 13 Press the Function key enter 93 then p...

Page 52: ...y to dis play more error codes up to 32 can be displayed When there are no more the second line of the dis play is blank either press to return to standby or press No to go to step 5 5 Press Copy to p...

Page 53: ...4 Press Function to return to standby 12 Programming the NCU Parameters Function 98 The NCU parameters are explained on page 2 64 CAUTION Consult technical services before adjusting any of these para...

Page 54: ...XITING TEST MODE Remove NCU jumper JP14 this is optional outside W Germany Also the machine automatically exits test mode immediately after you finish function 96 unless you used the function for less...

Page 55: ...st mode See page 2 22 From the test mode menu press 2 Either To test a dual tone press 1 Go to step 4 To test a single tone press 2 Go to step 7 Press the key corresponding to the tone you want to tes...

Page 56: ...z Press 4 1633 Hz Press 8 8 Press Start 9 Press Stop when you have finished with the tone 10 Either To test another single tone go to step 7 Press Stop to return to standby 4 Xenon Lamp Lighting 1 Ent...

Page 57: ...ee page 2 22 2 From the test mode menu press 5 3 Either To test a G3 signal press 1 Go to step 4 To test a G2 signal press 2 Go to step 8 To test a frequency press 3 Go to step 12 4 Press the key that...

Page 58: ...equence one white bit then four black bits Press 5 6 Not used 9 Press Start 10 When you have finished with this signal press Stop 11 Either Test another G2 signal Go to step 8 Press Stop to return to...

Page 59: ...return to standby 8 Sensor Initialization 1 2 3 4 5 6 FAX85 If possible print out any messages received into the memory Switch the power off Cover all the printer sensors with paper Switch the power b...

Page 60: ...Do not release the keys until the printer has started 1 Thin vertical lines 2 Thick vertical stripes 3 Pattern 4 Dense diagonal stripe pattern 10 Line Condition Check 1 Enter the test mode See page 2...

Page 61: ...ample if it is another FAX77 FAX80 or FAX85 set bit 0 of bit switch 0 to 1 See the machine s field service manual for details Place a document in the feeder of one of the machines and press Start on t...

Page 62: ...est are at 0 FAX80 W Ger U K Italy Bit Sw Hex Hex Hex 0 20 00 00 1 02 02 02 2 10 10 10 3 06 05 06 4 36 36 36 5 40 00 00 6 17 00 00 7 00 00 00 8 22 22 22 9 52 52 52 A 00 00 00 B 10 10 10 C 0C 0C 0C D 8...

Page 63: ...0 06 36 00 00 00 22 42 00 10 0C 00 18 03 Spain France Hex Hex CC CC FF FF 80 80 10 10 01 01 04 04 Spain France Hex Hex 00 00 02 02 10 10 06 06 36 36 00 00 00 00 00 00 22 22 42 42 00 00 10 10 0C 0C 00...

Page 64: ...00 02 14 06 36 40 00 00 26 52 00 10 0C 00 18 03 Continued on the next page Spain Hex CC FF 80 10 00 04 Spain Hex 00 02 14 06 36 40 00 00 26 52 00 10 0C 00 10 0E 2 33 France CC FF 80 10 00 04 France 0...

Page 65: ...Hex Hex 10 CC CC 11 FF FF 12 80 80 13 10 10 14 01 01 15 04 04 Italy Hex CC FF 80 10 01 04 Spain Hex CC FF 80 10 01 04 France Hex CC FF 80 10 01 04 Sweden Hex CC FF 80 10 01 04 Asia 8C FF 80 10 01 44...

Page 66: ...ny changes When this bit is 1 all requesters are locked out 2 Action when other 0 The buzzer sounds 0 The buzzer warns that communication has failed The user end does not 1 DCN sent must pick up the h...

Page 67: ...sed Do not change the factory setting 7 Communication 0 Disabled This is a fault finding aid The LCD shows the key parameters parameter display 1 Enabled see below This is normally disabled because it...

Page 68: ...ower is switched on 3 0 1 Detail and when the machine returns to standby after transmission 1 0 Fine 1 1 Fine Default contrast 4 Bit 5 Bit 4 Setting These bits state the default contrast setting The m...

Page 69: ...n standard 0 This can also be used for transmitting to another maker s fallback method 1 CClTT standard machine The modem rate will fall back after CTC sooner than used with CTC the CClTT standard if...

Page 70: ...end has no rx paper remote terminal s sumed length limit paper roll and ignores the paper length limit in paper length 1 Limit specified by the the protocol from the other end other end is recognized...

Page 71: ...ther end 0 0 None does not send an RTI or CSI to identify itself 5 0 1 RTI CSl non reception 1 0 The machine will not send if the received CSI is not the 1 0 CSI check same as the telephone number dia...

Page 72: ...0 the machine will ignore echoes from the line 2 CNG signal trans 0 Enabled CNG calling tone is normally used by auto dial machines to mission in manual 1 Disabled alert a manual machine operator that...

Page 73: ...ge of data will be Journal municated page data listed on the Journal If the call was terminated before page 1 All calls except for data was sent the call will not be listed telephone calls 1 All calls...

Page 74: ...2 Data printout timing 0 Each data frame is 0 Data is printed as it comes in during ECM recep printed as it is received 1 No data is printed until a complete block has been received tion 1 No data is...

Page 75: ...MENTS 5 Not used Do not change the factory setting 6 EFC in tx mode 0 Enabled Estimated Fillbit Control EFC only works if the other end has 1 Disabled EFC It works with MH or MR data compression 7 Not...

Page 76: ...bled memory is printed at the bottom of the memory transmission memory tx reports report if the transmission fails If this bit is 1 the sample will even if transmis also be printed if the transmission...

Page 77: ...ceived to the post message command As 10 good lines cause the 1 Disabled count to decrement RTN will occur only in bad conditions 1 The counter will not decrement frequent RTNs may occur Line error co...

Page 78: ...as a percentage 5 0 0 1 6 0 1 0 7 6 0 1 1 8 1 0 0 9 1 0 1 10 7 Reconstruction 0 6 s 1 10 s When the other end sending data is controlled by a computer time for the first line there may be a delay in r...

Page 79: ...ed except for the errors 2 ECM in rx mode 0 Enabled This bit is not changed by Function 83 however if the user 1 Disabled switches Function 59 on this bit will automatically reset to 1 In the FAX80 th...

Page 80: ...ance values 1 Europe bits 6 and 7 Training error tolerance 6 Bit 7 Bit 6 Setting If the machine detects more errors during training than the 0 0 14 number set by these bits training fails and the mach...

Page 81: ...hine cannot send out any signals 4 Substitute recep 0 Enabled In W Germany this bit must be 1 This bit is changed by Func tion 1 Disabled tion 59 in the FAX80 If this bit is 0 bit 2 of bit switch 8 mu...

Page 82: ...to 1 if the user needs to communicate with a patibility 1 Enabled Panafax MV1200 3 FTZ requirements 0 Off For use only in W Germany Other countries Do not change 1 On the factory setting 4 Not used D...

Page 83: ...is only printed if the user executes Function 70 3 Journal memory 0 Disabled 1 Journal data is cleared from memory after printing using clear after output 1 Enabled Function 70 4 Printout of RTI CSl...

Page 84: ...l other RAM areas to their factory set tings set this bit to 1 then press Function The memory will be cleared and this bit will reset to 0 7 Total RAM reset 1 Reset all RAM ad This affects all areas o...

Page 85: ...ot change the factory setting 4 MTF 0 Enabled MTF Modulation Transfer Function is a digital video process 1 Disabled ing technique which ensures that fine details such as thin lines or complex charact...

Page 86: ...ill copies if bit 4 is 1 3 TTI print start posi 0 24 mm 1 The setting determines the distance of the time date informa tion 1 48 mm 2 tion from the scan start position 4 TTl in copy mode 0 Not used 1...

Page 87: ...achine will not receive from a machine that mode only based 1 Enabled does not send an RTI or CSI to identify itself This way the on reception of RTI user will always be able to tell who sends message...

Page 88: ...0 0 0 0 1 0 0 1 0 1 0 1 0 0 1 0 1 1 0 1 1 0 0 0 1 1 0 1 0 1 1 1 0 0 1 1 1 1 1 0 0 0 1 1 0 0 1 0 1 0 0 1 1 Country Set these bits in accordance with the country of installation France W Germany U K It...

Page 89: ...ENTS 5 Not used Do not change the factory setting PSTN access method through PABX 6 Bit 7 Bit 6 Setting Set these bits to match the type of signals accepted by the 0 0 No PABX PABX 7 0 1 Loop start 1...

Page 90: ...the factory setting 4 Not used Do not change the factory setting 5 Redialling after the 0 Enabled 1 The number will not be redialled if the CCITT T1 timer ran CClTT T1 timer ran 1 Disabled out during...

Page 91: ...number is the number the user must dial to get an out side line If the machine detects the access number at the start of a telephone number it will connect with the PABX pause for a few seconds then...

Page 92: ...led machine s operation panel and connects with the oter end when the handset and if the user then presses keys on the operation panel picked up and a during communication dial tones will be sent thro...

Page 93: ...up 1 Enabled to check whether the user has hung up or not the hand set and dials the machine s operation panel 6 Not used Do not change the factory setting 7 On Hook Dial 0 Enabled If this bit is 0 th...

Page 94: ...ne tells how much paper is left on a roll by counting 1 Disabled how much paper is used up When 90 of the roll has been used the Replace Paper indicator blinks to warn the user that the roll is almost...

Page 95: ...ing memory reception the message 1 Data is kept will be erased from the memory and the user will have to ask the sender to resend the message 1 If there are errors during memory reception the message...

Page 96: ...ely set this bit to 1 The files will all be sent to the forwarding terminal programmed by RAM address FAX80 or with Func tion 86 FAX85 If there is more than one file all the files will be sent but the...

Page 97: ...as a percentage space display units 1 The approximate number of pages that can be stored in the remaining memory is displayed 2 Katakana charac 0 Enabled If a customer requires Japanese Katakana char...

Page 98: ...5N Hz Range 2 upper limit 03 Acceptable ringing signal frequency 1 000 000 655N Hz Range 2 lower limit 04 Number of rings until a call is N rings detected 05 Minimum required length of the first N x 2...

Page 99: ...panel 14 DTMF tone length N ms 15 Time between dial digits DTMF dial N ms mode 16 DTMF tone transmission level 3 N dBm Note 3 Notes 1 2 3 Pulse dial timing parameters 08 to 12 are the values for a dia...

Page 100: ...the message was transmitted from memory either the 128k memory or the SAF memory up to 7 redial at tempts are possible The redial interval can be set from 1 to 15 minutes and can be different for each...

Page 101: ...es make the image paler Speaker volume in voice message mode The speaker volume in voice message mode is controlled with RAM address 0227 bits 2 and 3 as follows Bit 3 2 0 0 High 0 1 Medium low 1 0 Me...

Page 102: ...o 21B8 Telephone number the first digit is stored in address 2199 the second in 219A and so on Up to 32 digits can be stored Program the number in hexadecimal ASCII codes The corresponding codes for e...

Page 103: ...SECTION 3...

Page 104: ...sure Adjustment 3 7 3 2 4 Tx Motor 3 8 Timing Belt Tension Adjustments 3 9 3 2 5 Xenon Lamp 3 10 3 2 6 Xenon Lamp Driver 3 12 3 2 7 SBU 3 12 Adjustments 3 13 3 3 Printer 3 20 3 3 1 Rx Motor 3 20 Timin...

Page 105: ...t all messages received into memory and print a SAF File List After switching the power back on the user must reprogram files for memory transmission that were erased and also must contact the senders...

Page 106: ...3 1 Covers 3 1 1 Top Cover 1 Remove the document and copy trays 2 Open the scanner 3 Remove 2 screws A 4 Open the printer 5 Remove 2 screws B C 6 Take off the cover D 3 1...

Page 107: ...er 1 Open the printer 2 Lift out the roller E 3 Remove the cover F 3 screws Caution Do not damage the cable at the front left side of the machine 3 1 3 Rear Cover 1 Open the printer 2 Remove the cover...

Page 108: ...1 Remove cover A 2 screws Remove the ADF clutch B 1 E ring Bring the cable back through the machine from the FCU Cautions Place stopper C astride bracket D as shown so that rotation of the clutch body...

Page 109: ...on the previous page Remove E rings and bushings F Remove spning G Remove the pick up roller H 1 E ring and feed roller I 1 E ring If it is necessary to disassemble the one way clutch J see the diagr...

Page 110: ...ote Lift up the operation panel from the 3 4 5 6 part that hangs down just above the document feed out area and ease the operation panel off over the manual feed button Remove ground wire B 1 screw Ta...

Page 111: ...he machine Caution Do not touch the rubber surface of the new roller or document feed problems will occur sooner than normal Note When putting back the operation panel pull down the part of the cover...

Page 112: ...blems Reduce separation pressure by turning the screw I anti clock wise Non feed Problems Increase separation pressure by turning the screw I clockwise The use of the separation roller spacers will be...

Page 113: ...head support bracket A 1 screw and rod B Remove the tx motor C 2 screws Remove the screw D holding the drive gear bracket and bend the bracket out slightly to ease out the motor Remove the paper roll...

Page 114: ...of the timing belt ten sioner until the belt tension is between 1 1 and 1 8 Ibs when the belt is pulled out by 0 2 inches Loosen the timing belt tensioner G Adjust the position of the timing belt ten...

Page 115: ...tion 3 2 1 and the lower ADF guide plate see section 3 2 2 remove plate E Remove the exposure glass holders A 2 screws and the exposure glass Caution Keep the exposure glass in a safe place 4 Remove t...

Page 116: ...emove the xenon lamp E 1 connec tor Reassembly Test the new xenon lamp before reassem bling the machine Clean the exposure glass with a soft cloth before putting it back Do not get fingerprints on the...

Page 117: ...1 1 2 Remove the xenon lamp driver A 3 screws 2 connectors 3 2 7 SBU 1 2 3 4 Remove the top cover see section 3 1 1 Remove the SBU cover A 2 screws Remove the SBU B 2 screws 1 connec tor After install...

Page 118: ...539501 Allen wrench Preparation 1 Remove the top cover see section 3 1 1 2 Remove the SBU cover 2 screws See the previous page 3 Set the oscilloscope scale to 0 2 V unit vertical and 0 5 ms unit horiz...

Page 119: ...probe to XVIDEO pin 1 blue wire and the ground to GND pin 4 black wire on the test lead 4 Light the xenon lamp see page 2 24 5 Place the scan line test chart A on the exposure glass as shown 6 Fit th...

Page 120: ...t vertical and 0 5 ms unit horizontal Connect the oscilloscope probe to XVIDEO pin 1 blue wire and the ground to GND pin 4 black wire on the test lead Light the xenon lamp see page 2 24 Remove any tes...

Page 121: ...1 Access the SBU as explained in Preparation above MTF 2 Set the oscilloscope scale to 0 2 V unit vertical and 0 5 ms unit horizontal 3 Connect the oscilloscope probe to XVIDEO pin 1 blue wire and th...

Page 122: ...to XVIDEO pin 1 blue wire and the ground to GND pin 4 black wire on the test lead 4 Light the xenon lamp see page 2 24 5 Place the 8 line mm test pattern on the exposure glass 6 Loosen the lens block...

Page 123: ...Connect the oscilloscope probe to XVIDEO pin 1 blue wire and the ground to GND pin 4 black wire on the test lead 4 Light the xenon lamp see page 2 24 5 Place the scan line test chart A on the exposur...

Page 124: ...lue wire channel 2 to VIDADJ pin 2 red wire and connect up the ground to pin 4 black wire 6 Set the oscilloscope scales as follows Vertical CH1 0 2 V unit CH2 2 V unit Horizontal 2 s unit 7 Gently tap...

Page 125: ...r see section 3 1 3 Remove the NCU and PSU see section 3 4 Remove the harness guide A 1 screw Remove the rx motor assembly B 2 screws It may be necessary to remove the allen screw holding gear C to fr...

Page 126: ...e previous page Adjust the position of the timing belt ten sioner until the belt tension is 125 20 grams when the belt is pulled out by 1 mm Tighten screws E Loosen the two screws holding the rx motor...

Page 127: ...ove plate B 1 screw 4 Remove the thermal head C 2 connec tors 5 Install the new thermal head Cautions Do not touch the heating ele ments Check that the thermal head is properly positioned and that the...

Page 128: ...the thermal head fit pin D into slot E at the front then fit pin F into slot G at the rear When replacing plate B the pegs on the plate must fit into the indents on the main body Program the pulse wid...

Page 129: ...en the upper unit Remove the rear cover see section 3 1 3 Remove plate A 1 screw Remove the sensor cover B 2 screws Remove the cutter C 1 connector 2 screws Install the new cutter The clearance D betw...

Page 130: ...o memory and print a SAF File List 1 Open the upper unit 2 Remove the FCU cover A 5 screws 3 Remove the side cover B 4 Take off the modem C SRAM board D or memory FAX85 E Caution Do not dislodge batte...

Page 131: ...hat were erased and also must contact the senders of messages that were received into memory and erased see the SAF File List 3 4 2 Modem 1 2 Do steps 1 to 3 of the FCU removal proce dure see section...

Page 132: ...jumper of the new SRAM Board is on and switch off the battery jumper of the old one Install the new SRAM board 9 Program the thermal head size and pulse width Function 97 10 Reprogram any RAM address...

Page 133: ...t 2 Remove the rear cover see section 3 1 3 3 Remove the PSU A 2 connectors 2 screws one of which is grounded 3 4 6 NCU 1 Open the upper unit 2 Remove the rear cover see section 3 1 3 3 Remove the NCU...

Page 134: ...3 4 7 Operation Panel 1 Open the scanner 2 Remove 2 screws A 3 Remove the operation panel B 2 con nectors 1 ground wire 3 29...

Page 135: ...SECTION 4...

Page 136: ...SECTION 4 SERVICE TABLES 4 1 Test Points 4 1 1 NCU 4 1 1 FCU 4 1 2 NCU 4 1 4 4 Jumpers 4 2 1 NCU 4 2 4 5 Special Tools and Lubricants 4 4...

Page 137: ...1 Test Points 1 NCU TP1 5DISW Di relay drive signal 4 2 Variable Resistors 1 FCU VC1 Do not use 2 NCU VR1 Adjusts the tx level range 2 dB 4 3 Dip Switches There are no dip switches in this machine 4...

Page 138: ...O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O S S S S S S O S S O S S S S O S S S S S S O S S O S S S S S O O O S S S S S S O O O O O S O S S O O O O Open Service mode di...

Page 139: ...Jumpers 6 and 7 1 J P 6 J P 7 3 J P 6 J P 7 4 3...

Page 140: ...4 5 Special Tools and Lubricants Scan line test chart and 8 line mm test pattern P N H0539500 Video adjustment test lead P N H0419002 SBU adjustment knobs P N H0539501 4 4...

Page 141: ...SECTION 5...

Page 142: ...sm Test 5 Communication Tests 5 2 Copy Quality Troubleshooting 1 Received Copies 2 Copies made in Copy Mode 3 Effects of line problems on copy quality 5 3 Machine Operation 1 ADF Scanner 2 Printer 5 4...

Page 143: ...ection may help find the problem These checks should also be done when installing a new machine in order to discover any defects that may be present 1 Copy Quality The test chart shown on this page is...

Page 144: ...Smaller than A4 Less than 3 of the document length To correct skew see page 5 8 3 Intelligibility Copy a test chart using standard resolution Check the characters in frame F see page 5 1 No charac ter...

Page 145: ...nd 2 test charts one in standard and one in detail resolution If the remote unit can accept 8 x 15 4 Fine resolution also send one in Fine resolution Note that Fine resolution in the Ricoh FAX610 or F...

Page 146: ...t cloth do not use water Replace the thermal head or FCU If the output is always stretched Check the printer mechanism and timing belts 2 Copies made in Copy Mode The following faults must be consider...

Page 147: ...urred charac Adjust the focusing See page 3 16 ters Adjust the reduction rate See page 3 17 Filled in charac Adjust the reduction rate See page 3 17 ters Side to side Adjust the scan start posi See pa...

Page 148: ...s on copy quality 1 Missing lines shrinkage in the sub scan direction Original ABCDEFGHIJKLMN 1234567890 OPQRSTUVWXYZ 0987654321 2 Cut off Bad Copy Sample Bad Copy Sample Some lines may be missing jus...

Page 149: ...urn the screw to its original position Are the ADF cover and upper unit shut properly Check that the following connections are not loose PSU CN52 FCU CN12 FCU CN9 Printer cover switch SB 10 Does the F...

Page 150: ...ection is not loose Does CN3 1 go low to turn on the ADF clutch and is CN3 2 always at 24V if a document is in the feeder Y N Replace the FCU Replace the ADF clutch Skew 1 Clean the rollers in the ADF...

Page 151: ...an 3 Replace the tx motor or the FCU Double feed 1 Clean lubricate or replace the separation roller 2 Try to cure the problem by adjusting the separation pressure screw see page 3 7 3 Clean or replace...

Page 152: ...loose PSU CN52 FCU CN12 FCU CN9 Printer cover switch SB 10 Does the FCU receive 24VA from the PSU at CN12 8 when a document is placed in the feeder Y N Is SB 10 working If the upper unit is closed is...

Page 153: ...page 2 27 If a sensor is defective replace it Go to step 5 regardless of whether the indicator is still lit or not 5 Does the FCU receive signals at CN13 3 from SB 4 Y N Replace SB 4 Replace the FCU...

Page 154: ...U CN19 SB 5 Does the FCU receive signals from the sensor at CN19 3 Y N Replace SB 5 Replace the FCU 3 Check that the following connection is not loose FCU CN13 SB 4 Is the Replace Paper indicator lit...

Page 155: ...the following Check that the connector from FCU CN6 to the cutter is not loose Does the FCU output a cutter motor drive signal on CN6 1 Y N Replace the FCU Replace the cutter motor and or connector Ch...

Page 156: ...sted Cause Action 0 00 DIS NSF Gl not detected 1 Check line connection 2 Check connectors from FCU to modem and NCU 3 Machine at other end may be incompatible 4 Replace FCU modem or NCU 5 If rx signal...

Page 157: ...ccessful after modem training 1 Check line connection at 2400 bps G3 mode 2 Check connectors from FCU to modem and NCU 3 Try raising the tx level use bit switch 3 or a dedicated tx parameter for that...

Page 158: ...FCU to modem and NCU there were too many errors G3 3 Replace the NCU FCU or modem mode 4 The other end may have jammed or run out of paper or memory space 5 Try adjusting the tx level use bit switch...

Page 159: ...eived within 1 Check line connection 6 s of retraining G3 mode 2 Check connectors from FCU to modem and NCU 3 Replace the NCU FCU or modem 4 Check for line problems 0 21 End of line signal EOL from th...

Page 160: ...modem 4 Check for line problems 5 Incompatible remote terminal 6 Adjust the tx level use bit switch 3 or a dedicated tx parameter 0 51 CFR MCF 1650 Hz carrier not 1 Check connectors from FCU to modem...

Page 161: ...CF turn off timing from the line on an os cilloscope 5 Incompatible or defective remote terminal 0 61 Facsimile data signal not received 1 Check line connection at the correct time G2 mode 2 Check con...

Page 162: ...line problems 4 Check the EOM turn off timing from the line on an oscillo scope 5 Incompatible or defective remote terminal 0 66 CFR 1100 Hz not received at the 1 Check line connection correct time 2...

Page 163: ...exceeded maxi 1 Divide the document into smaller pieces mum 2 See Mechanical Operation Document Jam page 5 8 1 10 Document in scanning position at 1 Clear debris from the sensor actuators power up 2...

Page 164: ...ched on 2 Check cutter mechanism 3 Check connections from the FCU to the cutter motor and cutter sensor 4 Replace defective cutter motor sensor or FCU 1 30 Paper ran out during printing 1 Replace pape...

Page 165: ...ions from the FCU to the MBU and not ready modem 2 Replace the FCU MBU or modem 2 40 Thermal head strobe signal did not 1 Replace the thermal head respond 2 Replace the FCU 4 00 One page took longer t...

Page 166: ...received 1 Check the line connection and check for a bad line G3 ECM 2 Check connections from the FCU to the NCU and modem 6 02 EOR received G3 ECM See code 6 01 6 05 Facsimile data frame not received...

Page 167: ...her ter minal does not cut the paper be tween pages Printer jam sen At power up a paper cycle is made then At power up a paper cycle is made sor SB 5 CLEAR COPY is displayed even if there is but the p...

Page 168: ...5 6 Timing Charts SB 1 1 Scanner TWo pages Tx Motor ADF Clutch SB 0 SB 2 Xenon Lamp ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF...

Page 169: ...Rx Motor FWD STOP REV Cutter ON Motor OFF Rx Motor ON Cutter Motor OFF 5 27...

Page 170: ...SECTION 6 RICOH MEMORY OPTION TYPE 85...

Page 171: ...SECTION 6 RICOH MEMORY OPTION TYPE 85 6 1 Installation Procedure 6 1 1 Preparation 6 1 2 Installing the Memory 6 1...

Page 172: ...tions 72 and 74 2 Print out any confidential or substitute reception files 2 Installing the Memory 1 2 3 4 5 Give these to the user Turn off the power then unplug the machine Remove the right cover 2...

Page 173: ...ELECTRICAL DATA...

Page 174: ...Tables 7 2 1 FCU 7 2 2 SRAM 7 6 3 SBU 7 6 4 NCU 7 7 6 Xenon Lamp Driver 7 8 7 PSU 7 8 7 3 Block Diagrams 7 9 1 Overall Machine Control 7 9 2 Video Data Path 7 10 3 Power Distribution 7 13 4 Scanner D...

Page 175: ...7 1 Point to point Diagram...

Page 176: ...COM1 Ground 0 4 A1 Address bus 5 5V 6 A2 7 5RTCCS 8 A3 9 5VBAT 10 A4 11 5RAMWR 12 A5 13 5RAMRD 14 A6 15 D0 Power supply 5 Address bus Real time clock mode 0 1 Battery Address bus Voice message and rea...

Page 177: ...OUTA Stepper motor drive phase 0 CN5 Not used Pin Name Function V 1 1DCMT0 Cutter motor drive 1 2 1DCMT1 Cutter motor drive 1 3 5SB7 SB 7 status Standby L 0 4 COM1 Ground 0 CN7 Thermal Head Pin Name...

Page 178: ...k RS 2 5SHB CCD drive clock SH 5 12V Supply to SBU 12 5V Supply to SBU 5 COM1 Ground 0 XVIDEO Analog video signal Not connected 5 5V Supply from PSU 5 6 COM3 Ground 0 7 24V Supply from PSU 24 8 24VA S...

Page 179: ...a bus 1 5 Chip select 5 Data bus Address bus 9 D5 10 A0 11 12 13 14 COM1 15 D3 16 17 5CTS 18 5MCS1 19 5RTS 20 21 22 5G2CLK 23 D1 24 25 26 12V 27 A1 28 D2 29 D0 30 A3 31 D4 32 5MINT 33 1CABS1 34 1CABS2...

Page 180: ...L 5 Dc loop detection active L 5 Tx Rx signal 0 Ds relay drive L On 0 OH relay drive H Fax 0 Gs relay drive L On 5 Not used 5 Di switch drive active H 0 Not used Not used Not used Not used Power suppl...

Page 181: ...CN18 The pins are reversed For example pin A1 on the FCU is pin A11 on the NCU CN3 Test Points Pin Name Function V 1 XL1 To From the network 2 XL2 To From the network 3 XTT1 To From the external phone...

Page 182: ...present 5 5V supply 1 COM Ground 0 N C Not connected 6 Xenon Lamp Driver CN1 FCU See FCU CN8 The pin numbers are reversed CN2 Xenon Lamp Pin Name Function V 1 COM Ground 29 2 OUT3 Drive signal 0 3 N C...

Page 183: ...7 3 Block Diagrams 7 9...

Page 184: ...2 Video Data Path Transmission...

Page 185: ...Reception 7 11...

Page 186: ...7 12...

Page 187: ...3 Power Distribution 7 13...

Page 188: ...4 Scanner Drive 7 14...

Page 189: ...5 Printer Drive 7 15...

Page 190: ...7 4 Electrical Component Layout 7 16...

Page 191: ...imile Control Unit 10 SBU Scanner Board Unit 11 Memory FAX85 only 12 SRAM Board 13 Speaker 14 Xenon Lamp Driver 15 Cover Switch SB 10 16 Paper End Sensor SB 4 17 Thermal Head 18 Printer Jam Sensor SB...

Page 192: ...APPENDIX...

Page 193: ...APPENDIX A GLOSSARY...

Page 194: ...minal to tell the trans mitter that modem training and set up infor mation was accepted CNG Calling Tone A 1100 Hz tone that is used by auto dialling machines to alert a manual receive machine that a...

Page 195: ...ansmitter that either set up infor mation and or modem training was not acceptable LB Line Buffer An area of memory where lines of video data are temporarily held before being passed on to the next pr...

Page 196: ...lities A protocol signal that informs the calling station of the called station s capabilities It is also called Ricoh Group 3 NSS Non Standard Set up The set up command in Ricoh protocol OPU Operatio...

Page 197: ...tter that the previous page was OK but modem retraining must be done before continuing this is normally because of poor line condition SAF Store And Forward A memory used to hold documents for transmi...

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