Ricoh FT6645 Manual page 360

SERVICE CALL CONDITIONS
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
1.8 PROCESS SENSOR
SC351 - Abnormal Vsg Detection (Vsg > 4.2V)
Definition: [level: C]
The detected Vsg value is over 4.2 V.
Possible causes:
•
ID sensor defective
•
Main control board defective
6-8
12 April 1993