Canon FAX-L1000 - Manual (Page 605)

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FAX-L1000 Chapter 5: Appendix
2.Damaged top cover sensor lever of the duplexing unit
Action: Replace the top cover.
3.Defective face-up tray paper sensor
Action: Replace the sensor.
4.Defective duplexing unit driver board
Action: Replace the duplexing unit driver board.
"PAPER JAM" message appears when the paper jam has not occurred, and
the printer cannot be in READY mode.
<Possible causes>
1.Top of page sensor lever does not move smoothly or is damaged.
Action: Set the lever to move smoothly. Replace it if damaged.
2.Recording paper eject sensor lever does not move smoothly or is damaged.
Action: Set the lever to move smoothly. Replace it if damaged.
3.Defective top of page sensor
Action: Replace the sensor.
4.Defective recording paper eject sensor 1
Action: Replace the sensor.
5.Defective ECNT board
Action: Replace the ECNT board.
6.Defective SCNT board
Action: Replace the SCNT board.
7.Defective TWINS board
Action: Replace the TWINS board.
8.Defective PDL board
Action: Replace the PDL board.
"DUPLEX JAM" message appears when the paper jam has not occurred; so,
the printer cannot be in READY mode.
<Possible causes>
1.Reversing paper sensor lever does not move smoothly, or is damaged.
Action: Set the lever to move smoothly. Replace it if damaged.
2.Duplexing unit pick-up paper sensor lever does not move smoothly, or is damaged.
Action: Set the lever to move smoothly. Replace it if damaged.