Document Feeder (Adf) - Panasonic UF-490 Service Manual

4.5.

Document Feeder (ADF)

4.5.1. No Document Feed
Is the document set properly?
Is the document thickness or size
within specification?
Is the "Pi.." tone generated when
the document is set?
Does the ADF Roller rotate?
Is the ADF Roller surface dirty?
Clean the ADF Roller surface.
START
No
Set the document properly.
Yes
No
Make a copy or cut the document
Yes
to the specification size.
No
Does the ADF Sensor actuator
Yes
move smoothly?
Replace the PNL PCB.
No
Replace the Motor.
Yes
Is the trouble solved?
No
Yes
Adjust the separator pressure.
Is the trouble solved?
END
No
Yes
Adjust or replace the actuator.
No
Yes
Replace the PNL PCB.
END
No
Yes
Replace the ADF Roller or
Separation Rubber or both.
97