Finisher Related Service Call - Sharp AR-650 Service Handbook

4.9 Finisher Related Service Call

[CB1] Feed motor is abnormal
[Procedure 1]
Is feed motor 2 (M8) operating in reverse at the specified timing?
No
Yes
Is the shutter correctly coupled to the shutter upper/lower bars?
No
Yes
Try turning the feed roller 2 in reverse by hand. Do the shutter upper/lower bars move up and
down?
No
Yes
Is the shutter close detection switch (MS4) normal?
No
Yes
Replace the finisher controller board.
[Procedure 2]
Is the feed motor 2 (M8) operating in reverse at the specified timing?
No
Yes
Is the shutter correctly coupled to the shutter upper/lower bars?
No
Yes
Try turning the feed roller 2 in reverse by hand. Do the shutter upper/lower bars move up and
down?
No
Yes
Is the shutter open sensor (PI5) normal?
No
Yes
Replace the finisher controller board.
Replace the feed motor or finisher controller board.
Couple properly.
Correct the mechanism from the shutter upper/lower bars up to the gears
of feed roller 2.
Replace the switch.
Replace the transport motor or finisher controller board.
Couple properly.
Correct the mechanism from the shutter upper/lower bars up to the gears
of transport roller 2.
Replace the sensor.
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