Ricoh SP 8400DN Field Service Manual page 1309

SC No. Type
Fuse blowout is detected
SC720- B Shift Roller Drive Motor Error
81
Motor driver detects an error (DC motor control error) (1st time is jam notification, 2nd time
is SC notification)
SC720- B Edge Guide Motor Error
82
SC720- B Paper Guide Motor Error
83
Error Condition of -82, -83
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Check if the SC occurs by turning the main 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.
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1.
2.
3.
4.
SC No. Type
SC722 Finisher SR3210 (D3B8) Error
SC722- B Protection Device Intercept Error 1
03
Fuse blowout is detected
Error Name/Error Condition/Major Cause/Solution
During movement to home, the home position could not be detected within a
predetermined pulse (1st time is jam notification, 2nd time is SC notification).
During movement from home, the home position was detected for longer than a
predetermined pulse (1st time is jam notification, 2nd time is SC notification).
Harness short-circuit -80 only
Overload
Motor defective
Solenoid defective -03, -80 only
Connector disconnected
Encoder defective -10, -25, -34 -81 only
Home position sensor defective
The target parts are the motor and related HP sensor that SC occurred.
Check if the connector of the target part is connected securely. Reconnect the connector
if it is disconnected, or loose.
Check the harness for the target part. Replace the harness if it is disconnected, or
damaged.
Check if the motor runs, sensors turn OFF/ON, has no overloads, and is properly
driven. Replace the parts if there are any defects.
Check if there are any signs of a short circuit. Replace the parts if there are any defects.
Error Name/Error Condition/Major Cause/Solution
6.Troubleshooting
571