Canon FAX L1000 Service Manual page 444

FAX-L1000 Chapter 5: Appendix
a-2) Malfunction status troubleshooting
"5F-61 ERROR" (Envelope Option error)
<Possible causes>
1. Defective envelope feeder connector
Action: Remove the envelope feeder from the fax and check the connector. Replace the
connector if any failure is found.
2. Defective fax connector
Action: Check the connector. Replace the connector if any failure is found.
3. Defective envelope feeder driver PCB
Action: Replace the envelope feeder driver PCB.
4. Defective ECNT board
Action: Replace the ECNT board.
5. Defective SCNT board
Action: Replace the SCNT board.
6. Defective TWINS board
Action: Replace the TWINS board.
7. Defective FAX-L1000 Printer kit
Action: Replace the FAX-L1000 Printer kit.
"LOAD <SIZE> IN ENV." message appears when the specified sized
envelope is in the envelope feeder.
<Possible causes>
1. Damaged envelope detection lever
Action: Replace the lever.
2. Defective envelope feeder driver PCB
Action: Replace the envelope feeder driver PCB.
3. Defective ECNT board
Action: Replace the ECNT board.
4. Defective SCNT board
Action: Replace the SCNT board.
5. Defective TWINS board
Action: Replace the TWINS board.
6. Defective FAX-L1000 Printer kit
Action: Replace the FAX-L1000 Printer kit.
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