Ricoh Pro C7200S Troubleshooting Manual page 47

SC No. Level
Potential sensor dirty (foreign object, such as toner, entering the probe window)



SC No. Level
SC382-01 D
SC382-02 D
SC382-03 D
SC382-04 D
SC382-05 D
SC No. Level
SC390- C Drum Motor error (k) 1
00 

Abnormal increase in PCU torque (overload due to the cleaning blade getting
caught)
Return to the normal torque by clearing the overload in the PCU. And then
execute SP7-988-001 and reset counter SP7-987-001.
SC No. Level
SC391- A Drum Motor error (C)1
00 
Abnormal increase in PCU torque (overload due to the cleaning blade getting
caught)
Error Name/Error Condition/Major Cause/Solution
Check if the potential sensor probe is dirty.
Use a blower brush to clean the window of the potential sensor probe, then
check the sensor again.
If this does not solve the problem, replace the potential sensor probe.
Error Name/Error Condition/Major Cause/Solution
Potential sensor output low error (K)
Potential sensor output low error (C)
Potential sensor output low error (M)
Potential sensor output low error (Y)
Potential sensor output low error (S)
Vd(700) lesser than 500[-V]

Potential sensor probe connector disconnected

Potential sensor probe defective

Potential sensor board defective

Replace the potential sensor probe.
Error Name/Error Condition/Major Cause/Solution
When the main power on
The machine issues this SC if counter of SP7-987-001 is "3"
Error at motor startup/motor running normally
When an error command from TDCU detected and if 1 is added to the SP7-
987-001 counter and the resulting value of SP7-987-001 is 3.
Error Name/Error Condition/Major Cause/Solution
At motor startup/motor running normally
When an error command from TDCU detected and if 1 is added to the SP7-
987-002 counter and the resulting value of SP7-987-002 is 3.
1.SC Codes
43