Canon iP3300 manual 141

Paper is	If you are using paper with either any of the
curled.	corners or the whole printing surface curled, the
	paper may become dirty, not feed properly, or
	both. Use such paper after correcting paper curl
	as follows.
	(1) With the printing side (A) facing up, cover
	the paper with a fresh sheet of plain paper to
	avoid staining or scratching the surface.
	(2) Roll up the paper in a direction opposite
	to paper curl as seen below.
	(3) Check to see that the paper curl is
	corrected to within approximately 0.08 to 0.2
	inches / 2 to 5 mm (B) in height.
	We recommend printing curl-corrected paper one
	sheet at a time.
Inappropriate	Adjust the position of the Paper Thickness Lever
Paper	according to the type of paper you are printing on.
Thickness	See Loading Printing Paper.
Lever setting.	Depending on the printing content, the printing
	surface may become scratched even for the types
	of paper to set the lever to the left. In this case,
	set the Paper Thickness Lever to the right.
	* Reset the Paper Thickness Lever to the left
	when you finish printing. If the lever is not set
	back to the left, the inside of the printer is more
	likely to get dirty due to the wider clearance
	between the print head and the loaded paper. It
	may also reduce print quality.

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