Adjusting the Printhead
Adjustments for Better Print Quality
Adjusting the Printhead
Adjusting the Printhead
If printed documents are af fected by the following problems, try adjusting the printhead.
• Printing is faint or af fected by banding in dif ferent colors
Execute Nozzle Check to check for printhead nozzle clogging.
For instructions, see “Checking for Nozzle Clogging”. (→P .577)
• Printed vertical lines are warped or colors are out of alignment
Use Auto Head Adj. or Manual Head Adj to adjust the printhead position.
Normally , use Auto Head Adj. . However , when using special paper or if printing is not improved after
executing Advanced Adj. in Auto Head Adj. , try Manual Head Adj .
For adjustment instructions, Automatic Straightening of Lines and Colors (Auto Head Adj.) (→P .544) or
see “Manual Straightening of Lines and Colors (Manual Head Adj)”. (→P .546)
• Printed lines are misaligned
Execute Head Inc. Adj. to adjust the angle of inclination of the printhead.
Even slight misalignment can be corrected.
For adjustment instructions, see “Adjusting Line Misalignment (Head Inc. Adj.)”. (→P .548)
• Paper rubs against the printhead, or image edges are blurred
Executing Head Height to adjust the printhead height may improve printing results.
For adjustment instructions, see “T roubleshooting Paper Abrasion and Blurry Images (Head Height)”.
(→P .551)
Adjustments for Better Print Quality 543
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