Ricoh Pro C7200S Troubleshooting Manual page 71

SC No. Level
step.
To check for any abnormalities in the sensor and motor solenoid, be sure to
perform an input check and output check for them as needed in addition to a
visual check.
1.
2.
3.
4.
5.
SC No. Level
SC503- B A3 LCIT: 1st Tray (Top Tray): Blower fan (rear) error
07
SC504- B A3 LCIT: 2nd Tray (Middle Tray): Blower fan (rear) error
07
SC505- B A3 LCIT: 3rd Tray (Bottom Tray): Blower fan (rear) error
07
Monitoring of the LD signal is started one second after the blower fan (front) is
turned ON, and then an H level (abnormality) is detected continuously for 700 ms
after that.



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.
To check for any abnormalities in the sensor and motor solenoid, be sure to
perform an input check and output check for them as needed in addition to a
visual check.
1.
2.
3.
4.
Error Name/Error Condition/Major Cause/Solution
Reconnect the following connector(s).

Blower fan (front)
Clean the blower fan (front)
Replace the following harness (es).

Blower fan (front)
Replace the following parts.

Blower fan (front)
Replace the Main Control Board of the LCIT.
Error Name/Error Condition/Major Cause/Solution
Blower fan (rear) defective/disconnected
Related harness broken
PCB defective
Reconnect the following connector (s).

Blower fan (rear)
Clean the blower fan (rear).
Replace the following harness (es).

Blower fan (rear)
Replace the following parts.
1.SC Codes
67