Canon FY8-23AV-000 manual Copy has faulty fixing

CHAPTER 3 IMAGE TROUBLESHOOTING

14. The copy has faulty fixing.

Cause	Step	Checks	YES/NO	Remedies
Copy paper	1	Is the copy paper of a type rec-	NO	Try paper of a recom-
		ommended by Canon?		mended type; if the
				results are good, advise
				the user to use recom-
				mended paper.
Fixing film	2	Is the faulty fixing vertical and in	YES	Check the fixing film and
		the form of lines?		pressure roller for
				scratches. If scratches
				are found, replace the
				fixing unit or roller.
DC controller/DC	3	Is the heater turned ON for	YES	The control temperature
power supply PCB		control after copy operation is		for the fixing heater may
		started?		be low; check the ther-
				mistor and DC controller/
				DC power supply PCB.
Fixing heater			NO	See “The fixing heater fails
				to operate.”

15.The copy has faulty leading edge registration (blank area much too wide).

16.The copy has faulty leading edge registration (blank area too wide).

17.The copy has faulty leading edge registration (no blank area).

Cause	Step	Checks	YES/NO	Remedies
Registration cam	1	Move the registration cam on the	YES	Adjust the position of the
		copyboard left and right.		registration cam.
		Is there any change to the reg-
		istration?
Solenoid (SL1),	2	Is the solenoid for registration	NO	1. Check the solenoid
DC controller/DC		(SL1) operating normally?		(SL1).
power supply PCB				2. Check the DC con-
				troller/DC power supply
				PCB.
Pick-up roller	3	Is the copy paper of a type	YES	Check the pick-up roller.
		recommended by Canon?
Copy paper			NO	Try copy paper of a type
				recommended by Canon;
				if the results are good,
				advise the user to use
				recommended paper.

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