Canon PIXMA MP450 User Manual download pdf (Page 107)

Chapter 11 105

Troubleshooting

Paper feed roller is dirty. Follow the steps described below to clean the paper feed rollers.

1. Ensure that the machine is turned ON and there is no paper loaded in

the machine.

2. Select <Roller cleaning> from <Maintenance>.

3. Select <Yes> on the Roller cleaning confirmation screen and then press

[OK].

The paper feed roller will rotate as it cleans.

4. Repeat this operation twice.

5. Load three or more sheets of A4/Letter-sized plain paper lengthways in

the Auto Sheet Feeder.

6. Select <Roller cleaning> from <Maintenance>.

7. Select <Yes> on the Roller cleaning confirmation screen and then press

[OK].

The paper that is loaded in the machine will feed through the machine and

be ejected.

8. Repeat Steps 5 to 7 three times.

Inappropriate paper type is used.

z Check to see if the paper you are printing on is too thick. See “Paper

Types You Cannot Use” on page 16.

z Note that smudging may occur at the top and bottom edges of the

paper when using Borderless Printing. Ensure that the paper you are

using is compatible with Borderless Printing.

Thick paper is used. When printing on thick paper, set the Paper Thickness Lever to the right.

This widens the gap between the FINE Cartridge and the paper. Try this

maneuver if the printed surface is scratched.

Media is curled. If all four corners or the printing surface of the paper is curled, the paper

may become dirty or may not feed properly. Use the paper after correcting

paper curl as follows.

1. Place the printing surface face up (A), and cover it with a sheet of non-

printing regular paper to avoid damaging the surface.

2. Roll up the paper in the direction opposite to the paper curl as per the

figure below.

3. Check the printing paper to confirm if the paper curl is eliminated to

within approximately 2 to 5mm / 0.08 to 0.2 in (B).

It is recommended to print on curl-corrected paper one sheet at a time.

Cause Action

(A)

(B)

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Canon PIXMA MP450 User Manual Page 107