Technical information

Troubleshooting
24
Printed Paper Curls
or has Ink Blots
Paper being used is
too thin
Use photo paper such as Canon’s Photo Paper Pro to print photos or pictures
in deep color that have high color saturation.
Incorrect paper type
On the Main
MainMain
Main tab of the printer driver, ensure that the Media Type
Media TypeMedia Type
Media Type selected
matches the media being used.
In the Print
Print Print
Print dialog box of the printer driver, select Quality & Media
Quality & MediaQuality & Media
Quality & Media from the
pop-up menu, and then ensure that the Media Type
Media TypeMedia Type
Media Type selected matches the
paper loaded.
Back of Paper is
Smudged
Inside of the printer is
dirty
If the inside of the printer is dirty, printed paper may become smudged.
Periodically clean the inside of the printer.
Refer to “Cleaning the Inside of the Printer” in the
User’s Guide .
Paper feed roller is
dirty
Clean the paper feed roller.
Refer to “Back of Paper is Smudged/Paper Does Not Feed Properly/Printed
Surface is Scratched” in the
Direct Printing Guide .
Printed Surface is
Scratched
Inappropriate type of
paper is being used
Check to see if the paper you are printing on is too thick or curled.
See “Print Media to Avoid
Print Media to AvoidPrint Media to Avoid
Print Media to Avoid” on page 4.
Note that smudging may occur at the top and bottom edges of paper when
using Borderless Printing
Borderless PrintingBorderless Printing
Borderless Printing. Ensure that the paper you are using is compatible
with Borderless Printing
Borderless PrintingBorderless Printing
Borderless Printing.
Paper is curled If all four corners or the printing surface of the paper is curled, the paper may
become dirty or the paper may not feed properly. Use the paper after
correcting paper curl as follows.
1. Face up the printing surface
*1
, and cover it with a non-printing regular
paper to avoid damaging the surface.
2. Roll up the paper in a direction opposite to paper curl as the figure below.
3. Check the printing paper if paper curl is corrected within approximately 2
to 5 mm/0.08 to 0.2 inches
*2
.
It is recommended to print the curl-corrected paper one sheet at a time.
Paper thickness lever
position is not proper
Set the paper thickness lever in suitable position for your media.
See “Canon genuine paper
Canon genuine paperCanon genuine paper
Canon genuine paper” on page 10.
If the paper is scratched even when printing on plain paper (left), set the
paper thickness lever to the right.
Return the paper thickness lever to the left after printing.
Problem Possible Cause Try This
(1) (2)
*1
*1
*2
iP6320D_6310D_QSG_US.book Page 24 Friday, April 14, 2006 11:09 AM