Non-Discharge Of Ink; Different-Color Dot Shi - Canon BJ-W7000 Service Manual

1. Non-discharge of Ink
Normal
Abnormal
Remedy
No ink
See item "ink not supplied".
Clogged nozzles
Foreign matter on head
Defective wiper blade
| Clean or replace wiper blade.
Defective head
2. Different-color Dot Shift
Cause
Replace bubble jet cartridge.
Remedy
Foreign matter on head
Carry out head cleaning. If the problem is not
improved by carrying out head cleaning twice,
go to next step.
Faulty head adjustment setting
Carry out "Head (Auto)" or "Head (User)" adjust-
ment. (See page 1-28.)
setting
Faulty "Adjustment of the media sensor gain"
Carry out "Adjustment of the media sensor
gain". (See page 5-7.)
Dirty media sensor
Clean media sensor.
Defective head
5-18
Replace bubble jet cartridge.
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