Muratec MFX-2500 Field Engineering Manual page 241

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