Canon QY8-1360-000 Faulty printing 2 Miscellaneous problems, 5-36, Part 5 Maintenance, BJC-7100

Part 5: Maintenance BJC-7100

5.Faulty printing <2>: Miscellaneous problems

Symptoms	Cause	Measure
• White stripes	Insufficient cleaning, ink-out,	Perform several cleaning operations, then
(horizontal)	faulty BJ cartridge	make test print.
• Blotching		Replace BJ cartridge(s) or ink tank(s).
	Faulty cleaning operation	Replace purge unit.
• Spur tracks	Faulty spurs (soiled or deformed)	Replace spurs, spur cleaner, or spur unit.
(vertical)
• Color	Incorrect print driver setting	Select FINE mode* using printer driver, or
dropout		select error dispersal.
	Insufficient cleaning, ink-out,	Perform several cleaning operations, then
	faulty BJ cartridge	make test print.
		Replace BJ cartridge(s) or ink tank(s).
• Ink bleeds	Incorrect print driver setting	Select FINE mode* using printer driver, or
		set color parameter lighter.
	Incorrect paper (print media)	Change to higher quality print media.
	No jetting of ink optimizer	Perform several cleaning operations, then
	(plain paper)	make test print. (Check nozzles on
		transparency.)
		Replace black BJ cartridge (BC-60).
• Impure color	Insufficient cleaning, ink-out,	Perform several cleaning operations, then
or mixed	faulty BJ cartridge	make test print.
colors		Replace BJ cartridge(s) or ink tank(s).
	Insufficient cleaning	Replace purge unit.
• Displaced	Heads not aligned	Use printer driver to align print heads.
borders
	Faulty BJ cartridge	Perform several cleaning operations, then
		make test print.
		Replace BJ cartridge(s).
• Dirty print	Dirty inside printer (ink mist	Visually check, and clean, inside printer.
media	or paper dust, etc.)
	Ink has dried or foreign objects	Perform several cleaning operations, then
	adhering to head face	make test print.
		Replace BJ cartridge(s).
	Dirty purge unit or wiper unit	Replace purge unit, cleaner unit, wiper unit.
	Printing onto platen (incorrect	Set the correct paper size in the printer
	driver setting)	driver.
• Deformed	Incorrect printer driver setting	Select BJC-7100 printer driver.
characters
	Remaining data	Turn ON power again.
	Faulty interface cable or faulty	Check in hexadecimal dump mode and
	logic board	service or replace faulty part(s).

*FINE mode: default setting of Auto mode

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