Ricoh PRO C7210 - Page 52

1.SC Codes
48
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
15
SC399-
18
Error occurs when the number of chattering per time of 1 drum encoder cycle is
counted and the chatter exceeds 25% of the number of pulses per normal cycle.
The condition for counting the occurrence of chatter is to count up when encoder
data is 75% or less of the ideal count value.
 Encoder sensor harness damaged or not connected correctly.
 Encoder/encoder sensor defective.
 Drum motor defective
 Drum motor connector unplugged
 Motor driver defective
 Clear the overload in the PCU
 Replace the drum motor
 Reconnect the drum motor connector
 Replace the TDCU (motor driver)
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC395-41
D
Drum motor error (K): Hole error
SC396-41
D
Drum motor error (C): Hole error
SC397-41
D
Drum motor error (Y): Hole error
SC398-41
D
Drum motor error (Y): Hole error
SC399-41
D
Drum motor error (S): Hole error
If the hole becomes HorL with three-phase.
 Drum motor defective
 Drum motor connector unplugged
 Motor driver defective
 Clear the overload in the PCU
 Replace the drum motor
 Reconnect the drum motor connector
 Replace the TDCU (motor driver)
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC395-
51
D
Drum motor error (K): Cumulative speed error
SC396-
51
D
Drum motor error (C): Cumulative speed error