Canon MultiPASSTM C50 manual Print Quality Problems, 24Troubleshooting Chapter

Print Quality Problems

If your print quality is not what you expect it to be, check the problems and solutions below.

Problem Possible cause Solution

Print is not clear	The medium you are using
	may not be supported by the
	MultiPASS C50.
	You may be printing on the
	wrong side of the paper.

Use only print media speci®ed in ºSelecting the Print Mediaº on page 2-37.

Many types of paper have a ºcorrectº side for printing. If your paper does, make sure that side is facing up. If the paper has no obvious correct side, try turning the paper over and printing on the other side.

	The print head nozzles may	Clean the print head. See page
	be clogged.	9-9.
Output appears jagged	You may be using Draft mode	Change the resolution to
	(180 dpi), which can give	standard on your PC. See the
	output a jagged look.	MultiPASS Desktop Manager
		User's Guide.
The printout has dots of ink	The print head nozzles may	Clean the print head. See page
splashed on it	be clogged with ink.	9-9.

The printout has white streaks or missing dots

The print head nozzles may be clogged with dust.

An ink tank may be empty.

Clean the print head. See page 9-9.

Replace empty ink tanks as needed. See page 9-17.

The BJ cartridge or an ink tank may be installed incorrectly.

The medium you are using may not be supported by the MultiPASS C50.

The print head may be worn out.

Make sure the BJ cartridge and any ink tanks are installed correctly.

Use only print media speci®ed in ºSelecting the Print Mediaº on page 2-37.

Check the BJ cartridge print head. It may need to be replaced. See page 9-9.

8-24Troubleshooting Chapter 8