Toshiba e-studio 2555c, Service Manual

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ERROR CODE AND TROUBLESHOOTING
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[C3E1] Drum/cleaner/charger unit replacement (old-new) detection abnormality
Harness
Classification Contents
Copy process related service call Drum/cleaner/charger unit replacement (old-new) detection
abnormality
Step Check Item Result Measure
Next
Step
1
Check if the old/new detection bar
of the drum cleaner unit is being
ejected. Yes 4
No 2
2
Check if the harness of the drum
old/new detection switch in the
drum cleaner unit is open circuited. Yes 3
No Replace the harness.
3
Is the drum old/new detection
switch of the drum cleaner unit
normal? Yes 4
No Replace the drum old/new detection
switch.
4
Check if the drum old/new
detection pusher is moved to the
escape position while the coupling
of the drum cleaner unit is rotated
by hand.
(Is a driving in the old/new
detection pusher section
transmitted?) Yes 3
No Correct the drum old/new detection
pusher so that it is moved to the
escape position.
5
Check that the coupling of the
drum TBU drive unit is driven
properly. Yes Correct the engagement of the
couplings in the drum TBU drive unit
and the drum cleaner unit. 9
No 6
6
Check that the drum TBU drive
motor rotates properly. (Input
check: 03-112) Yes 9
No 7
7
Check that the connector of the
drum TBU drive motor is
connected properly. Yes 9
No 8
8
Check if the harness of the drum
TBU drive motor is open circuited. Yes 9
No Replace the drum TBU drive motor.
9
Check that the connector of the
LGC board (CN360) is connected
properly. Yes 11
No Reconnect the connector.
10
Is the harness of the LGC board
normal? Yes 11
No Replace the harness.
11
Is the LGC board normal? Replace the LGC board.
Replacement part Measure
Drum old/new detection switches
Drum TBU motor
LGC board
Replacement part Measure