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Ricoh FAX5600L Technical Bulletin
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Ricoh FAX5600L Technical Bulletin

Ricoh FAX5600L Technical Bulletin

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SUBJECT: Service Manual Correction
PREPARED BY: H.Yokoyama
CHECKED BY: S.Hamano
CLASSIFICATION:
Action Required
Troubleshooting
Retrofit Information
Following pages have been corrected.
Page: 2-18, 19
6-1~28
A floppy disk with corrected pages except page 2-18 and 19, is enclosed.
Technical Bulletin
FROM: 2nd T.S. Section
Revision of service manual
Information only
Other
No.CGO-001
DATE:
Sep. 14, 1994
MODEL:
FAX5600L

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Summary of Contents for Ricoh FAX5600L

  • Page 1 Sep. 14, 1994 PREPARED BY: H.Yokoyama FROM: 2nd T.S. Section CHECKED BY: S.Hamano CLASSIFICATION: MODEL: Action Required Revision of service manual FAX5600L Troubleshooting Information only Retrofit Information Other Following pages have been corrected. Page: 2-18, 19 6-1~28 A floppy disk with corrected pages except page 2-18 and 19, is enclosed.
  • Page 2 TROUBLESHOOTING 1st August, 1994 COPY QUALITY TROUBLESHOOTING 6. TROUBLESHOOTING 6.1. COPY QUALITY TROUBLESHOOTING If there is a copy quality problem that cannot be solved easily, try using the following troubleshooting flow chart, while referring to the point-to-point dia- gram. The flow chart may not be exhaustive, but it may help you to find the problem.
  • Page 3 1st August, 1994 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING Symptom: Blank copies Check Action if Yes Action if No 13. Is the laser diode unit Go to step 14. Install it properly. screwed in properly? 14. Do the interlock switches Change the LD unit, FCU, Change them.
  • Page 4 TROUBLESHOOTING 1st August, 1994 COPY QUALITY TROUBLESHOOTING Symptom: Black copies Check Action if Yes Action if No 11. Does the FCU output the Change the xenon lamp or Change the FCU. power and drive signals the drive board. to the lamp driver? 12.
  • Page 5 1st August, 1994 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING Symptom: Dirty background all over the copy Check Action if Yes Action if No 1. Make a printer test (see There may be a scanner Go to step 2. section 4-1-13). Is it OK? problem;...
  • Page 6 TROUBLESHOOTING 1st August, 1994 COPY QUALITY TROUBLESHOOTING Symptom: Stray toner flecks fused into the copy Check Action if Yes Action if No 1. Clean the inside of the machine, especially around the development and transfer unit. Clean the cleaning blade. Clean the rollers in the fusing unit.
  • Page 7 1st August, 1994 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING Symptom: Uneven density in horizontal bands Check Action if Yes Action if No 1. Does the xenon lamp Change the lamp. Go to step 2. flicker? 2. Is there a clear boundary Clean the charge and Clean the development unit, between the bands? transfer corona units (there...
  • Page 8 TROUBLESHOOTING 1st August, 1994 COPY QUALITY TROUBLESHOOTING Symptom: Vertical dotted lines Check Action if Yes Action if No 1. If the master is scratched, replace the master, and the component that is scratching it. 2. If the development roller is scratched, replace the roller, and the component that is scratching it.
  • Page 9 1st August, 1994 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING Symptom: Black spots at the leading edge Check Action if Yes Action if No Clean inside the machine, especially around the fusing unit and transfer unit entrances. Clean the transfer corona wire and check that it is installed properly. If the problem remains, change the transfer corona wire or the power pack.
  • Page 10 TROUBLESHOOTING 1st August, 1994 COPY QUALITY TROUBLESHOOTING Symptom: Horizontal black stripes 1. Is the Call Service Replace the LD unit or FCU. Go to step 2. indicator lit? 2. Check that the master unit is installed properly and correctly grounded. Change the master unit if it is damaged.
  • Page 11 1st August, 1994 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING Symptom: Part of the copy missing at the left or right edges Check Action if Yes Action if No 1. Does the problem only Go to step 2. Go to step 3. occur during copying? 2.

  • Page 12: Copy Quality Troubleshooting

    TROUBLESHOOTING 1st August, 1994 COPY QUALITY TROUBLESHOOTING Symptom: Unfused copy Check Action if Yes Action if No Clean the thermistor in the fusing unit. Check the pressure roller spring mechanism. Change the thermistor, fusing unit, FCU, or PSU. Symptom: Jitter, image stretched down the page Check Action if Yes Action if No...

  • Page 13: Troubleshooting Mechanical Problems

    1st August, 1994 TROUBLESHOOTING MECHANICAL PROBLEMS 6.2. MECHANICAL PROBLEMS The following flow charts may help you find the problem. They do not include such obvious steps as checking the power connection or changing the PSU or FCU if nothing appears on the operation panel. 6.2.1.
  • Page 14 TROUBLESHOOTING 1st August, 1994 MECHANICAL PROBLEMS Symptom: Skew caused by the scanner mechanism Check Action if Yes Action if No 1. Are the scanner rollers Replace the separation Clean the rollers using a oft clean? roller and or separation cloth and water plate.
  • Page 15 1st August, 1994 TROUBLESHOOTING MECHANICAL PROBLEMS Symptom: Dirty document Check Action if Yes Action if No Clean the rollers and guide plates using a soft cloth and water. Symptom: Second page not fed in Check Action if Yes Action if No 1.
  • Page 16 TROUBLESHOOTING 1st August, 1994 MECHANICAL PROBLEMS 6.2.2. Printer Symptom: Non-feed Check Action if Yes Action if No 1. Check that non-feed is not due to another problem, such as "Call Service" being lit, or the power cord not being plugged in. Check that the feed-in area is not jammed with debris.
  • Page 17 1st August, 1994 TROUBLESHOOTING MECHANICAL PROBLEMS Symptom: Non-feed Check Action if Yes Action if No 9. Does the front cover Go to step 10. Change the switch and/or interlock switch pass the actuator mechanism. + 24V and + 5V from the FCU through to the FCU? 10.
  • Page 18 TROUBLESHOOTING 1st August, 1994 MECHANICAL PROBLEMS Symptom: Copy Jam - General Check Action if Yes Action if No 6. Is the paper size sensor If you suspect that the FCU Change the sensor. (upper/lower) outputting or PFU is processing the the correct signals for the sensor signals wrongly, installed actuator? The...
  • Page 19 1st August, 1994 TROUBLESHOOTING MECHANICAL PROBLEMS Symptom: Copy jam at the feed-out area (error code 9-09) Check Action if Yes Action if No 1. Clean the rollers in the copy feed-out area. 2. Check the copy feed-out sensor (see steps 3 and 4 of "Copy jam - General"). Symptom: Double feed Check Action if Yes...

  • Page 20: Service Call Conditions

    TROUBLESHOOTING 1st August, 1994 SERVICE CALL CONDITIONS 6.3. SERVICE CALL CONDITIONS If the Call Service indicator is lit, one of the following conditions has occurred. • Mirror Motor Locked (hexagonal mirror motor lock failure) • Hot Roller Down (fusing lamp failure) •...
  • Page 21 1st August, 1994 TROUBLESHOOTING SERVICE CALL CONDITIONS Symptom: Hot Roller Down (Error Code 9-22) This error occurs in any of the following conditions: Standby mode: If the fusing lamp takes more than 40 s to reach 80 °C (sub-code 01) Standby mode: If the fusing lamp is accidentally disconnected for more than 15 s (sub- code 06) During printing: If the fusing lamp takes more than 30 s to rise to 150 °C from 80 °C (sub-...

  • Page 22: Troubleshooting Error Codes

    TROUBLESHOOTING 1st August, 1994 ERROR CODES 6.4. ERROR CODES If an error code occurs, retry the communication. If the same problem oc- curs, try to fix the problem as suggested below. Note that error codes 4-00, 01, 02, and 10 only appear in the error code display and on the service re- port.
  • Page 23 1st August, 1994 TROUBLESHOOTING ERROR CODES Code Meaning Suggested Cause/Action 0-07 No post-message Check the line connection. response from the other Check the FCU - NCU connectors. end after a page was sent Replace the NCU or FCU. The other end may have jammed or run out of paper. The other end user may have disconnected the call.
  • Page 24 TROUBLESHOOTING 1st August, 1994 ERROR CODES Code Meaning Suggested Cause/Action 0-22 The signal from the other Check the line connection. end was interrupted for Check the FCU - NCU connectors. more than 0.2 s Replace the NCU or FCU. Defective remote terminal. Check for line noise or other line problems.
  • Page 25 1st August, 1994 TROUBLESHOOTING ERROR CODES Code Meaning Suggested Cause/Action 4-01 Line current was cut Check the line connector. Check the connection between the FCU and the NCU. Check for line problems. Replace the FCU or the NCU. 4-02 The other end cut the Ask the other end to change their maximum receive received page as it was length setting, then resend.
  • Page 26 TROUBLESHOOTING 1st August, 1994 ERROR CODES Code Meaning Suggested Cause/Action 6-01 ECM - no V.21 signal was Try adjusting the rx cable equalizer. received Replace the FCU or NCU. 6-02 ECM - EOR was received 6-05 Facsimile data frame not Check the line connection.

  • Page 27: Electrical Component Defects

    1st August, 1994 TROUBLESHOOTING ELECTRICAL COMPONENT DEFECTS 6.5. ELECTRICAL COMPONENT DEFECTS 6.5.1. Defective Sensor Table Sensor Symptoms if Defective Document sensor "CLEAR ORIGINAL" or "ENTER FAX NO" is displayed at power-up. "SET DOCUMENT" is still displayed after a document is placed in the feeder. Document width sensor Reduction should take place if the original is wide enough to actuate the sensor and the...
  • Page 28 TROUBLESHOOTING 1st August, 1994 OMR SHEET Sensor Symptoms if Defective Lower paper feed sensor The Copy Jam indicator on the lower cassette’s operation panel lights at power- The Copy Jam indicator on the lower cassette’s operation panel lights soon after the start of copying.
  • Page 29 1st August, 1994 TROUBLESHOOTING OMR SHEET 6.6.2. Sample OMR Sheet Format The following marks on the OMR sheet are used to detect errors. Refer to the following diagram for the locations of these marks. SAMPLE OMR SHEET FORMAT Data Field Name Usage Start mark...
  • Page 30 Technical Bulletin No. CGO-002 DATE: SUBJECT: S/M Correction, New Feature Dec. 15, 1994 PREPARED BY: H.Yokoyama FROM: 2nd T.S. Section CHECKED BY: S.Hamano CLASSIFICATION: MODEL: Action Required Revision of service manual Troubleshooting Information only Retrofit Information Other 1. Service Manual Correction The description for the toner supply RAM address on page 5-14 of the service manual is not correct.
  • Page 31 Technical Bulletin No. CGO-003 DATE: SUBJECT: SBU Harness Dec. 15, 1994 PREPARED BY: Y.Okunishi FROM: 2nd T.S. Section CHECKED BY: S.Hamano CLASSIFICATION: MODEL: Action Required Revision of service manual Troubleshooting Information only Retrofit Information Other 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...
  • Page 32 Technical Bulletin No. CGO-004 DATE: SUBJECT: CGO Service Manual 1995 PREPARED BY: Y.Okunishi FROM: 2nd T.S. Section CHECKED BY: M. Iwasa CLASSIFICATION: MODEL: Action Required Revision of service manual Troubleshooting Information only Retrofit Information Other Page 3-12 to 3-14 of CGO Service Manual for Hard Disk have been corrected.

  • Page 33: Installation

    Page 2/4 INSTALLATION INSTALLING ADDITIONAL UNITS RTB: CGO-004 3.2.6. Hard Disk If the ISDN option is installed at the same time, the hard disk option must be installed prior to the ISDN option. The installation has three phases. A. SAF memory initialization B.
  • Page 34 Page 3/4 INSTALLATION INSTALLING ADDITIONAL UNITS RTB: CGO-004 4. Attach the ground plate [D] to the PSU. 5. Disconnect the connector CN9 [E] from the FCU, and thread the har- ness through the opening in the I/F board [F]. 6. Plug the I/F board into CN10 [G] on the FCU, and reconnect the har- ness to CN9.
  • Page 35 Page 4/4 INSTALLATION INSTALLING ADDITIONAL UNITS RTB: CGO-004 C. Software Initialization Function 1 , then immediately 3. Set bit 0 of bit switch 0D to 1. Function 5. Turn off the power, then turn it back on after a few seconds. Function 1 , then immediately 8.
  • Page 36 MODEL: Fax3500L(USA), Action Required Revision of service manual NRG9665(USA), Savin Fax3670 Troubleshooting Information only Fax5600L(USA), Retrofit Information Other Lanier Fax7550, Omnifax L540 Problem: The Paper Feed Unit may not work correctly. Cause: Wires of the harness (H511 5528) from the FCU to the relay connectors for the paper feed unit (PFU) are not allocated properly.
  • Page 37 RTB No. Multi-003 Page 2/2 Harness Check Procedure 1. Remove the Rear Cover and Left Cover. 2. Unplug the connector CN28 on the FCU. 3. Unplug the connectors CN A and CN B on the relay connector board located at the bottom of Main Frame.
  • Page 38 The damaged Thermistor causes the Hot Roller to overheat and fail prematurely. SOLUTION: Ricoh recommends replacing the Cleaning Pad at the 10K PM. However, this is sometimes ignored. Realizing this, Ricoh will conduct the following modifications to protect the Hot Roller from the failure mentioned above.
  • Page 39 The individual Hot Roller will be no longer available. The Cleaning Pad will continue to be a Service Part. Ricoh recommends change of the above modified parts and Cleaning Pad when the failed Hot Roller is replaced with the new one.
  • Page 40 Page 3/3 Installation Procedure for the Thermistor 1. Assemble the thermistor and the bracket with the screw. Thermistor - Fusing Unit H0815035 Bracket - Thermistor H0812141 Do not bendthis part Thermistor - Fusing Unit ( 3) H0815035 Thermostat - Fusing Unit H0812134 2.
  • Page 41  echnical ulletin PAGE: 1/1 Model: Date: K105 (FAX4000L) 15-Sep-97 Subject: Prepared by: 14.4 Kbps Modem Y.Okunishi From: QAC 2nd Field Information Dept. Troubleshooting Part information Action required Classification: Mechanical Electrical Service manual revision Paper path Transmit/receive Retrofit information 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.
  • Page 42  echnical ulletin PAGE: 1/1 Multi - 006 Model: Date: ISDN Option 30-Nov-97 Subject: Prepared by: US National ISDN H.Kamiya From: IPP Business Division Technical Service Dpt. Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision Paper path Transmit/receive Retrofit information Other (...