SC No. Level Error Name/Error Condition/Major Cause/Solution
SC723-71 B
Shift Motor Error (Internal Finisher: Non-Staple Bind)
When the shift HP sensor was not turned off while T1[msec] applied to the
shift motor with the HP sensor turned on.
When shift HP sensor was not turned on while T6[msec] applied to the
shift motor with the HP sensor turned off.
The STM driver error detection is started after reset, and T9[msec] error
signal is detected.
This SC will be issued when the above phenomenon repeated 2 times.
• Shift Motor failure
• Connector disconnected
• Shift Motor overload
• Shift HP sensor error
• Harness short-circuit
• Circuit board failure
• Excess current
• Abnormal temperature
• Check the connection
• Replace the motor/sensor
• Replace the harness
• Replace the circuit board
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC724 Internal finisher Error
SC724-24 B Paper Exit Guide Plate Open/Close Motor Error (Internal finisher)
• When paper exit guide plate open/close motor is driven for T3
msec after paper exit guide plate HP sensor ON, the HP sensor does
not switch OFF (1st time is jam notification, 2nd time is SC
notification).
• When paper exit guide plate open/close motor is driven for T4
msec after paper exit guide plate HP sensor OFF, the HP sensor
does not switch ON (1st time is jam notification, 2nd time is SC
notification).
5. Troubleshooting
544
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