Ricoh PRO C7210X - Page 79

1.SC Codes
75
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
1 second (Fans are always monitored during operation).
 Fan defective/disconnected
 Harness to the corresponding fan is broken.
 PCB 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.
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. Replace or reconnect the fan.
2. Clean the fan.
3. Replace the broken harness.
4. Replace the mechanical components.
5. Replace the Main Control Board of the LCIT.
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC503-
22
C
Vacuum Feed LCIT 1: 1st Tray Error (Paper Height Middle Sensor or Lower Limit
Sensor error)
SC505-
22
C
Vacuum Feed LCIT 2: 1st Tray Error (Paper Height Middle Sensor or Lower Limit
Sensor error)
SC507-
22
C
Vacuum Feed LCIT 3: 1st Tray Error (Paper Height Middle Sensor or Lower Limit
Sensor error)
 During tray initialization, both the Lower Limit Sensor and the Paper Height
Middle Sensor were ON for 100 msec.
 Lower Limit Sensor defective/disconnected
 Paper Height Middle Sensor defective/disconnected
 A harness to one of the parts listed above is broken.
 PCB 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.
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. Reconnect the following connector(s).
 Paper Height Middle Sensor
 Lower Limit Sensor