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Canon MultiPASS C50 Hardware Manual ENGLISH
8-26 Chapter 8Troubleshooting
Colour Printing and Copying Problems
Use the following to correct problems you may have while using the MultiPASS
C50 to print in colour.
Problem Possible cause Solution
Colours are missing, and the
output contains only black ink
The MultiPASS C50 Printer
Driver may not be selected.
Make sure you selected the
MultiPASS C50 Printer Driver or
other compatible colour printer
driver. See the MultiPASS
Desktop Manager User’s Guide.
The printer driver may not be
selecting colour.
Make sure the PC is set to use
Colour On Screen – Matched
Colour. See the MultiPASS
Desktop Manager User’s Guide.
The colour BJ cartridge may
not be working properly.
Print the NOZZLE CHECK test
pattern to make sure the Colour
BJ cartridge and ink tanks are
firing correctly. See page 9-8.
An ink tank may be empty. Replace empty ink tanks as
needed. See page 9-17.
The print head unit may need
cleaning.
Clean the print head. See page
9-9.
The application you are
printing from may not support
colour printing.
Check your application’s
documentation.
Colours are broken or uneven You may be using the wrong
print mode.
If you are printing dense graphics
on plain paper, set the Media
Type to Coated Paper on your
PC. See the MultiPASS Desktop
Manager User’s Guide.
If you are printing a thin line
with a non-primary colour,
your software may be telling
the unit to place a colour
every other dot, with white in
between.
Choose cyan, yellow, magenta, or
black instead.