Specifications

4-27
0D
Step Check Item Result Action
1
Does M8 turn after the malfunction has
been reset?
NO
Check various parts for possible
overload.
2
Check M8 for operation.
Does the voltage across CN41-3 on
the PWB-A side and GND change
from DC0V to DC24V after the mal-
function has been reset?
NO Change PWB-A.
3
Does the “0D” display persist even
after M8 has been replaced with a new
one?
YES Change PWB-A.
0C
Step Check Item Result Action
1
Does M4 turn after the malfunction has
been reset?
YES Change PWB-A.
2
Does the “0C” display persist even
after M4 has been replaced with a new
one?
YES Change PWB-A.
0E
Step Check Item Result Action
YES Perform step 3.
1
After the malfunction has been reset,
remove the Rear Lower Cover and
block Toner Bottle Cover Sensor
PC11. Then, unlocking the Toner
Bottle Lock Lever, turn the Toner
Bottle a half turn by hand.
Does the Toner Bottle turn when PC11
is unblocked (H) with the Toner Bottle
Lock Lever kept unlocked?
NO
Check various parts for possible
overload.
YES Change M6.
2
Does the voltage across PJ8-2 of M6
and GND change from DC0V to
DC24V when step 1 is performed
again?
NO Change PWB-A.
YES Change PWB-A.
3
Is PC10 fully operational?
Check the input data using I/O Check.
Does the input signal value for “Toner
Bottle Set” change between “0” and “1”
when the Toner Bottle is turned by
hand?
NO Change PC10.