Ricoh FAX5600L Technical Bulletin Download Page 31 | Manualshive

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Ricoh FAX5600L Technical Bulletin Download Page 31

PREPARED BY: Y.Okunishi
CHECKED BY: S.Hamano

FROM: 2nd T.S. Section

CLASSIFICATION:

Action Required

Revision of service manual

Troubleshooting

Information only

Retrofit Information

Other

MODEL:

CGO

Problem :

Damage to the SBU harness

Reason :

Pin edges of the HD Interface Board and the Printer Interface Board damage the
harness if the harness is not re-located correctly, causing it to be pinched
between the base mold and the board. When the HD Interface Board or
Printer Interface Board is installed.

Action taken :

Re-locate the SBU harness as follows after fising the HD Interface Board or
the Printer Interface Board :

Might be
pinched

Not good

Good

SBU

HDIF

MBU

Base
Mold

HDIF

MBU

SBU

Base
Mold

Base
Mold

FCU

FCU

Technical Bulletin

No. CGO-003

SUBJECT: SBU Harness

DATE:

Dec. 15, 1994

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Summary of Contents for FAX5600L

Page 1: ...n of service manual Troubleshooting Information only Retrofit Information Other MODEL FAX5600L Following pages have been corrected Page 2 18 19 6 1 28 A floppy disk with corrected pages except page 2...

Page 2: ...gned Correct the problem Go to step 6 6 Are the transfer corona unit and wire correctly in stalled Check the connections between the corona wire and the FCU Go to step 7 Correct the problem 7 Does the...

Page 3: ...arge corona unit and wire correctly installed Check the connections between the corona wire and the FCU Go to step 3 Correct the problem 3 Does the FCU output the power and corona trigger signal to th...

Page 4: ...CU toner near end sensor and toner supply motor Then go to step 3 a Replace the master b If the Add Toner indicator is lit add toner c Clean or replace the corona wires d Clean the toner metering blad...

Page 5: ...ack 6 Does the FCU output constant power and bias trigger signals to the power pack Clean the area around the bias terminal Go to step 7 Change the FCU 7 Does the problem go away if you change the pow...

Page 6: ...toner is being distributed evenly across the development unit If it is not change the CTM development unit or toner supply motor Try changing the master unit quenching lamp or the charge corona wire 3...

Page 7: ...reign objects around the master that could cause leakage of charge form the belt 3 Is the surface of the hot roller scratched Replace the component that is damaging the hot roller then replace the hot...

Page 8: ...urface of the hot roller scratched Replace the component that is damaging the hot roller then replace the hot roller If the hot roller strippers are badly stained with toner replace them and the therm...

Page 9: ...blem go away if you change the power pack Finished Clean the development roller Go to step 6 6 Clean the transfer corona unit wire endblocks casing Check and replace any parts that may be causing the...

Page 10: ...go away if you change the power pack Finished Clean the development roller Go to step 6 6 Check that the toner metering blade is screwed in securely Symptom White spots in black areas Check Action if...

Page 11: ...fan turn on Go to step 4 Go to step 3 3 Does the fan receive the power and drive signals Replace the fan Replace the FCU or PSU 4 Change the ozone filter Check for obstructions between the transfer un...

Page 12: ...otor if the motor is making abnormal noise Symptom Magnification or reduction filled in characters Check Action if Yes Action if No Adjust the SBU reduction rate see section 5 2 9 If the problem only...

Page 13: ...eparation roller adjustment back to the original setting Try replacing the separation roller If that does not help go to step 5 5 Are the gears and spring clutches clean and working properly Go to ste...

Page 14: ...the operation panel PCB receive signals from the scan line sensor and the document width sensor Replace the operation panel PCB or FCU Replace the document width sensor and or scan line sensor Sympto...

Page 15: ...n if No 1 Clean the rollers using a soft cloth and water 2 Are the connections between the operation panel FCU and scan line sensor loose Connect the cables properly Go to step 3 3 Does the operation...

Page 16: ...end sensors Connect the cables properly Go to step 3 3 Do the upper or lower cassettes Add Paper indicators light even if paper is present Go to step 4 Go to step 7 4 Do the upper or lower cassettes...

Page 17: ...ns for printing may not have been met The conditions are as follows The fusing lamp must be at the correct temperature See Service Call Conditions Hot Roller Down The hexagonal mirror motor must have...

Page 18: ...rs and clutches work See steps 10 to 14 of Non feed Symptom Copy jam in the paper feed entrance error code 9 07 Check Action if Yes Action if No 1 Clean the rollers in the paper feed entrance Replace...

Page 19: ...e component Replace the fusing unit pressure springs or the entire fusing unit Symptom Soiled copy paper Check Action if Yes Action if No Clean the rollers in the printer If the dirt is part of the im...

Page 20: ...following pages After each troubleshooting attempt reset the machine and try to operate it If the machine still does not work continue troubleshooting Symptom Charger Leak Error Code 9 17 This error o...

Page 21: ...from the PSU to the FCU Symptom Mirror Motor Locked Error Code 9 23 This error occurs in either of the following conditions If FCU CN9 2 does not go low within 10 s of the hexagonal mirror motor bein...

Page 22: ...FR or FTT not received after modem training Check the line connection Check the NCU FCU connectors Try changing the tx level use NCU parameter 01 or a dedicated tx parameter for that address Replace t...

Page 23: ...or a dedicated tx parameter for that address Replace the NCU or FCU 0 15 The other end does not have the confidential or transfer function Incompatible remote terminal Remote terminal memory full 0 16...

Page 24: ...ument jam Improperly inserted document or unsuitable document type Clean the document jam sensor See Mechanical Operation Document Jam 1 01 Document length exceeded the maximum Divide the document int...

Page 25: ...ee section 6 6 If the problem remains replace the FCU 4 81 OMR sheet placed in the ADF the wrong way 4 82 Skew detection mark not detected 4 83 Skew was detected before scanning the OMR data field 4 8...

Page 26: ...evel use NCU parameter 01or the dedicated tx parameter for that address Check the line connection Defective remote terminal 9 07 Copy jam at the cassette entrance See section 6 2 2 If the problem rema...

Page 27: ...development unit Upper paper size sensor ADD PAPER is displayed at power up Page separation may be done even if the original is the same size as the copy paper Upper paper end sensor The Replace Paper...

Page 28: ...otocopy of the sheet was used Check if a cut off portion of the sheet was used Check if the document guides are adjusted correctly Check if the sheet is dirty Check for any adhesive tapes on the sheet...

Page 29: ...the data field C End mark Used to detect the end of the data field D Guide marks Used to detect lines in the data field and to detect skew while scanning the data field E Wrong way insertion detectio...

Page 30: ...nt 08004A Page 4 26 Bit 2 inch to mm conversion Transmission After Modification 08004A Bit 2 inch to mm conversion Immediate Tx 0 Disabled 1 Enabled 08026B Bit 0 inch to mm conversion Memory Tx 0 Disa...

Page 31: ...Interface Board damage the harness if the harness is not re located correctly causing it to be pinched between the base mold and the board When the HD Interface Board or Printer Interface Board is ins...

Page 32: ...SSIFICATION Action Required Revision of service manual Troubleshooting Information only Retrofit Information Other MODEL CGO Page 3 12 to 3 14 of CGO Service Manual for Hard Disk have been corrected T...

Page 33: ...it 2 of bit switch 00 to 1 4 Yes Function B Installation Procedure Cuation Print any messages still stored in the SAF Ensure that 100 memory is displayed on the operation panel before installing a har...

Page 34: ...nnect the flat cable I to the I F board and the hard disk unit J Note Connect the markings together 9 Attach the hard disk unit Note Tighten the screws K that attach the hard disk unit to the ground p...

Page 35: ...er a few seconds D Hard Disk format Function 17 1 Function 6 0 1 9 9 1 then immediately Yes 2 1 7 HD NO _ _ 0 INITIAL 1 FORMAT 2 TEST 3 Format the hard disk 1 Start Caution Do not turn off the switch...

Page 36: ...nit PFU are not allocated properly Affected machines Fax 3500L S N R8750600001 R8750700600 NRG9665 S N 6355060620 6355060671 Savin Fax 3670 S N 0950600001 0950700120 Fax 5600L S N M2050600001 M2050700...

Page 37: ...a multimeter See below for what the correct allocation of all wires of the harness should be Check the continuity of the following A of CN28 to 4 of CN B D of CN28 to 1 of CN B to PFU View from the si...

Page 38: ...in contact with it Dirty Strippers and Thermostat put more stress on the Hot Roller and cause premature Hot Roller failure Also the dirty Thermistor causes the Hot Roller to overherat and fail premat...

Page 39: ...hange of the above modified parts and Cleaning Pad when the failed Hot Roller is replaced with the new one NOTE A Please refer to the following instructions and fix the cover to the fusing unit and ch...

Page 40: ...g plate when installing or cleaning it If the thermistor is bent replace it Thermostat Fusing Unit H0812134 Thermistor Fusing Unit H0815035 3 Harness Thermostat 2 Bracket Thermistor H0812141 1 Stay Fu...

Page 41: ...ation Other The V 33 standard for 14 4 kbps modems has not been supported by FX4 and FX6MK2 because V 33 has been deleted from the ITU CCITT recommendations So data transfer at 14 4 kbps speed between...

Page 42: ...le Identification Number Input the SPID number given by the telephone company at 1 G4 SUBSCRIBER NO 2 Sub 2 G3 SUBSCRIBER NO 2 Sub Note Input a _ pause before the SPID number G4 Internal Switches SW N...

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