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SERVICE CALL CONDITIONS
SC303 - Charge corona wire cleaner failure
Definition: [level: C]
The current of the charge corona wire cleaner drive motor is over the
specified current within 4 seconds after the cleaner motor starts.
The charge corona wire cleaner does not move back to the end block
within 30 seconds.
Possible causes:
•
Charge corona wire cleaner drive motor defective
•
Insufficient lubrication for the charge corona wire cleaner drive
mechanism (G501 grease)
•
High voltage control board defective
1.7 DEVELOPMENT
SC341 - Development motor locked
Definition: [level: D]
Development motor lock signal stays low more than 1 second in
development motor on condition.
Possible causes:
•
Extra load in the development unit
•
Development motor defective
•
Main control board defective
SC342 - Toner collection motor locked
Definition: [level: D]
The toner collection sensor output does not change (OFF → ON or ON →
OFF) for more than 2.55 seconds in the toner collection motor on
condition.
Possible causes:
•
Toner collection sensor defective
•
Toner collection motor defective
•
Toner clog in the toner collection pipe
SC343 - Toner collection bottle at improper position
Definition: [level: D]
Toner bottle set switch is off and the front door is closed.
Possible causes:
•
Toner collection bottle set switch defective
•
Toner collection bottle is set incorrectly
6-8
15 July 1996
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