Gestetner A294 Service Manual page 476

SERVICE CALL CONDITIONS
SC441: Development Motor Lock
Definition [B]
The development motor lock signal is longer than 2 seconds while the
development motor is on.
Possible Causes
• Too much load on the drive mechanism
• Development motor defective
• Poor development motor connector connection
• BCU defective
SC491: Polygonal Mirror Motor Cooling Fan Motor Lock
Definition [B]
The polygonal mirror motor cooling fan motor lock signal is longer than 5
seconds while the polygonal mirror motor cooling fan motor is on.
Possible Causes
• Too much load on the drive mechanism
• Polygonal mirror motor cooling fan motor defective
SC495: Toner Bottle Unit Error
Definition [B]
The toner hopper sensor cannot detect toner even if the toner supply coil clutch
turns on for 2 seconds x 10 times during toner supply during copying.
Possible Causes
• Toner supply motor defective
• Toner supply coil clutch defective
• Toner supply motor connector connection
• Toner supply coil clutch connector connection
• Toner near-end sensor (in the toner bank) defective
• Toner hopper sensor defective
• Toner clogged in the supply system
SC496: Toner Collection Bottle Error
Definition [B]
The used toner collection bottle or sucked toner collection bottle sensor
remains off for 3 seconds.
Possible Causes
• Used toner collection bottle or sucked toner collection bottle is incorrectly set
• Used toner collection bottle or sucked toner collection bottle connector is
loose or sensor defective
A294/A295
CÓPIA NÃO CONTROLADA
7-18
CÓPIA NÃO CONTROLADA
Rev. 9/2001
SM