Ricoh M C250FW, Field Service Manual

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6.Troubleshooting
197
SC No. Type Error Name/Error Condition/Major Cause/Solution
•
EGB (PCB1) defective
•
AIO (C, M, or Y) overload
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power after each
step.
1.
Replace the color drum motor (M1).
2.
Reconnect the color drum motor (M1) connector.
3.
Replace the color drum motor (M1) harness.
4.
Replace the EGB (PCB1).
5.
Replace the AIO (C, M, or Y).
SC 4xx (Image Transfer)
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC400-
00
D TM/P sensor (S8) error
The CPU detected a low voltage of the positive reflection output under the
threshold in the TM/P sensor.
•
A solid print out due to an electrostatic charging error
•
TM/P sensors (S8) are dirty.
•
TM/P sensor (S8) is defective.
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power after each
step.
1.
Check the image transfer unit.
2.
Clean the TM/P sensors (S8). ( Cleaning Points > TM/P sensor)
3.
Replace the TM/P sensor (S8) unit.
4.
Replace the AIO cartridges.
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC442-
00
D ITB contact motor (M6) error
The ITB contact motor error is detected during the initialization at power-on or after
the cover is closed.
Motor overcurrent, high temperature
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power after each
step.
1.
Replace the ITB contact motor (M6).