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SC CODE TABLE
SC
Item
Detection Conditions
No.
SC440 Drum motor
- Timing & Condition -
error
·
The feedback signal
from the motor is still out
of range 1 second after
the trigger signal is sent.
·
The feedback signal
becomes out of range for
2 seconds while the
trigger signal is ON.
SC441 Drum
- Timing & Condition -
peripheral
·
The feedback signal
component
from the motor is still out
motor lock
of range 1 second after
the trigger signal is sent.
·
The feedback signal
becomes out of range for
2 seconds while the
trigger signal is ON.
Related
Possible Causes
SC
·
Poor connection of
1. Check if the drum is locked by the cleaning blade. If
connector
·
2. Check if the connector (CN215) on the I/O control
Defective drum
motor
·
3. Check if the drum motor works properly in SP 5-804-
Defective I/O
control board
4. Replace the I/O control board.
·
Defective main
5. Replace the main control board.
control board
[ Signal Check ]
·
·
1. Check if the connector (CN220) on I/O control board is
Defective motor
·
Defective motor
2. Check if there is any mechanical problem by rotating
dive board
·
Mechanical
3. Replace the drum peripheral component motor.
problem (drive
4. Replace the I/O control board.
transmission
problem)
5. Replace the main control board.
[ Signal Check ]
·
16
Troubleshooting Procedure
yes, replace the cleaning blade.
board is properly connected.
001 to 003. If not, replace the drum motor.
Motor OK: CN215-A7 or TP135 on the I/O control
board
properly connected.
the motor manually.
Motor OK: CN220-B9 or TP123 on I/O control board
30 March, 1999
Type
D
D
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