Canon 4204B019AA User Manual page 108

Note
If the problem is still not resolved after replacing the FINE Cartridge, contact the service center.
When the Print Results Are Not Even such as the Ruled Lines
Are Misaligned:
See Aligning the Print Head
Note
You can also perform the maintenance operations from your computer.
For details, refer to the on-screen manual:
.
Advanced Guide .
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