Errors Not Shown On The Display - Canon FAX L1000 Service Manual

FAX-L1000 Chapter 4: Maintenance and Service

5.3 Errors not Shown on the Display

a) No power
Solution: (1) Plug in the power cord.
b) No display
Solution: (1) Remove and reinstall the power cord.
c) Characters are distorted
Solution: (1) Check the SCNT board (J5) and OPCNT board (J100) connections.
d) Keys do not function
Solution: (1) Check the SCNT board (J5) and OPCNT board (J100) connections.
d) Document feed error
The document is not fed
Solution: (1) Use the Chapter 2: 2.4.7 Faculty Test , Test Mode [6] Faculty Test
(2) Check the fuse in the power supply unit. If the fuse (F1, F2) blows,
replace the fuse.
(3) Check the power supply and ECNT board (J101) connections.
(4) Replace the power supply unit.
(5) Replace the ECNT board.
(2) Check the SCNT board (J5) and OPCNT board (J100) connections.
(3) Replace the OPCNT board.
(4) Replace the SCNT board.
(2) Replace the OPCNT board.
(3) Replace the SCNT board.
(2) Replace the OPCNT board.
(3) Replace the SCNT board.
[3] Sensor Test to check whether the document sensor is working
normally.
(2) Check the SENSOR board (J1) and SCNT board (J12) connections.
(3) Replace the SENSOR board.
(4) Replace the SCNT board.
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