Canon NP6218, FY8-13EX-000 service manual Separation/Feeding Assembly, Fixing/Delivery Assembly

CHAPTER 10 TROUBLESHOOTING

2. Separation/Feeding Assembly
Cause	Step	Checks	Results	Action
Transfer charg-	1	Is the transfer charging assembly	NO	Check the transfer
ing assembly		set correctly?		charging assembly.
	2	Are there burrs on the paper guide	YES	Remove the burrs.
		of the transfer charging assembly?
Copy paper	3	Try Canon-recommended paper.	YES	Advise the user to use
		Is the problem corrected?		recommended paper.
Feed belt	4	Are the two feeding belts rotating	NO	Check the belt pulley.
		properly?
			YES	Check the feed belt for
				deformation or wear.

3.	Fixing/Delivery Assembly
	Cause	Step	Checks	Results	Action
Delivery		1	Is the separation claw worn or	YES	1. Replace the
assembly			deformed?		separation claw.
separation claw					2. If dirt is found, clean
					with solvent.
assembly	Lower fixing	2	Is the lower fixing roller or the	YES	Replace the roller.
	Paper guide	3	Is the paper guide soiled with	YES	Clean with solvent.
	roller, fixing		fixing film deformed or worn?
	film
Fixing			toner?
	Nip	4	Is the lower roller pressure (nip)	NO	Make adjustments.
			within specification?
	Delivery	5	Does the delivery detection lever	NO	Make adjustments so
assembly	lever		move smoothly?		that the lever moves
					smoothly.
	Delivery	6	Does the delivery sensor operate	NO	Replace the sensor.
	sensor		normally? (See the descriptions
Delivery	(PS1)	7	on how to check the	NO	Check the delivery roller
	Delivery		Does the delivery roller move
			photointerrupters.)
	roller drive		smoothly?		drive assembly.
	assembly
Leading edge				YES	Check if a margin exists
margin					along the leading edge of
					the copy.

10-80 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)