Ricoh PRO C7210X - Page 77

1.SC Codes
73
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
15
SC505-
15
B
Vacuum Feed LCIT 2: 1st Tray Error (Bottom plate ascending too much)
SC507-
15
B
Vacuum Feed LCIT 3: 1st Tray Error (Bottom plate ascending too much)
The tray is set and the Over Limit Sensor detected that the bottom plate ascended
too much.
 Over Limit Sensor defective/disconnected
 Upper Limit Sensor 1 defective/disconnected
 Upper Limit Sensor 2 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. Load paper again, and check that the paper is loaded correctly.
2. Reinstall the paper feed belt unit.
3. Reconnect the following connector(s).
 Lower Limit Sensor
 Paper Height Middle Sensor
 Paper upper limit sensors 1 and 2
4. Replace the following harness(es).
 Lower Limit Sensor
 Paper Height Middle Sensor
 Paper upper limit sensors 1 and 2
5. Replace the electric parts listed below.
 Lower Limit Sensor
 Paper Height Middle Sensor
 Paper upper limit sensors 1 and 2
6. Replace the following mechanical component(s).
 Tray bottom plate
 Lift motor
 Feeler, etc.
7. Replace the Main Control Board of the LCIT.