Minolta Di350 Service Manual page 219

FrameMaker Ver.5.5E(PC) Di350 TROUBLESHOOTING
98.12.09
C004C
Step
1 Does M8 turn after the malfunction
has been reset?
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?
3 Does the "C004C" display persist
even after M8 has been replaced
with a new one?
C004E
Step
1 Does M4 turn after the malfunction
has been reset?
2 Does the "C004E" display persist
even after M4 has been replaced
with a new one?
C0070
Step
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?
2 Does the voltage across PJ8-2 of
M6 and GND change from DC0V to
DC24V when step 1 is performed
again?
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?
Check Item
Check Item
Check Item
Result
NO Check various parts for possible
overload.
NO Change PWB-A.
YES Change PWB-A.
Result
YES Change PWB-A.
YES Change PWB-A.
Result
YES Perform step 3.
NO Check various parts for possible
overload.
YES Change M6.
NO Change PWB-A.
YES Change PWB-A.
NO Change PC10.
T-32
Action
Action
Action