Canon FY8-23AV-000 manual Copy has a blurred image, Copy is foggy cross feed direction

CHAPTER 3 IMAGE TROUBLESHOOTING

18. The copy has a blurred image.

Cause	Step	Checks	YES/NO	Remedies
Copyboard rail	1	Is the movement of the copy-	NO	Replace the copyboard
		board rail smooth?		rail.
Copyboard drive	2	Is the movement of the copy-	NO	Check the copyboard drive
assembly		board normal?		assembly; if a fault is
				found, replace the part.
Main motor assembly	3	Is the main motor assembly	NO	Replace the main motor
		normal?		assembly.
Feeding assembly	4	Does the copy paper stop or	YES	Remove the foreign matter
		jump near the transfer assem-		or burrs from the feeding
		bly?		system.
Cartridge			NO	Replace the cartridge.

19. The copy is foggy (cross feed direction).

Cause	Step	Checks	YES/NO	Remedies
Scanning lamp	1	Does the scanning lamp flicker?	YES	Replace the scanning
				lamp unit.
Cartridge	2	Replace the cartridge.	YES	End.
		Is the problem corrected?
High-voltage			NO	Check the high-voltage
transformer				transformer (DC controller/
				DC power supply PCB).

20. The copy has poor sharpness (focus).

Cause	Step	Checks	YES/NO	Remedies
	1	Does the copy have an image	YES	Correct the light image
		which is too light at the same		first.
		time?
Document	2	Is there a gap between the	YES	• Check the copyboard
		document and the copyboard		glass to make sure it is
		glass?		not warped.
				• Advise the user how to
				place documents cor-
				rectly.
Lens	3	Is the lens off contact?	YES	Push the lens into place
				while taking great care not
				to scratch it.
Scanner	4	Clean the scanning lamp,	YES	End.
		reflecting plate, and lens.
Cartridge			NO	Replace the cartridge.
		Is the problem corrected?

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