Canon 3175B002 user manual Colors in printed images are uneven, Highest or High in Print Quality

		Problems with the printing quality
Colors in printed images are uneven
	Cause	Corrective Action
	Line Drawing/Text is selected when printing images	Specify Image in the printer driver.
	in many solid colors.
	You are printing on paper that curls easily.	Printed colors may appear uneven on the leading
		edge of paper that is susceptible to curling. Increase
		the level of vacuum holding the paper against the
		Platen or specify a margin of 20 mm (0.79 in) or more
		for the leading edge. (→P.587)
	If you use Glossy Paper, art paper or Coated Paper,	In Advanced Settings of the printer driver, choose
	color shading may appear at the rear edges of the	Highest or High in Print Quality.
	paper.	(→P.216)
	Printed colors may be uneven if you set the Print	Choose a higher level of Print Quality in the
	Quality too low.	Advanced Settings of the printer driver.
		(→P.216)
	Color may be uneven between dark and light image	Select Unidirectional Printing in the Advanced
	areas.	Settings of the printer driver.
	When borderless printing is used, the edge of the	Specify No in Auto Cut in the printer driver before
	paper is cut during printing. Thus, ink density may	printing. In this case, the paper can be printed without
	be uneven at the edges.	borders on the left and right sides only. Cut the
		printed document ejected from the printer, then use
		scissors to cut away the edges on the top and bottom.
		Choose a higher level of Print Quality in the
		Advanced Settings of the printer driver.
		(→P.216)
	The Printhead is out of alignment.	Adjust the Printhead alignment.
		(→P.572)
	Drying documents stacked on each other may cause	To avoid uneven colors, we recommend drying each
	uneven colors.	sheet separately.
	If you are using heavyweight sheets or similar paper,	For heavyweight sheets or similar paper, execute Adj
	colors may be uneven on the trailing edge in some	Far Ed Feed with the Front Tray Guides raised. Also
	cases even after you execute Adj Far Ed Feed.	keep the Front Tray Guides raised during printing.
		Before printing on paper other than heavyweight
		sheets, lower the Front Tray Guides.

Troubleshooting 673