Canon S400 User Manual page 308

Poor Color Output
The text appears scratched, streaked, or the wrong colors are printed.
Check 1
I
S THE INK IN THE
If text or images are streaked, scratched, faint, or if the wrong colors are
printing, one of the BJ tanks may have run out of ink, the print nozzles may
be clogged, or the print head may be worn out.
Print a Nozzle Check Pattern and check the printed patterns.
Check 2
H
AS THE PROTECTIVE TAPE OR CAP BEEN REATTACHED TO THE
BJ
After removing the orange protective cap and tape, do not attempt to
re-attach them to the BJ cartridge. Re-attaching the tape or cap can cause
air bubbles, trap dirt or dust, and clog the ink nozzles.
If the protective tape or cap has been re-attached, remove it. Install the
BJ cartridge in the printer and clean the print heads immediately.
Check 3
D
ID YOU PRINT ON THE CORRECT PRINT SIDE OF THE MEDIA
The correct print side is different for each type of media.
Make sure that the correct print side is facing up when you load the media
in the auto sheet feeder.
BJ
CARTRIDGE IN GOOD CONDITION
Printing a Nozzle Check Pattern
?
CARTRIDGE
Paper and Other Print Media—Print Side
Printout Is Unsatisfactory
?
?
Troubleshooting 308