Canon imagePROGRAF iPF825 - Manual (Page 692)

Adjusting the Printhead
Adjusting the Printhead ................................................................................................................................... 676
Automatic Straightening of Lines and Colors (Auto Head Adj.) .................................................................. 676
Manual Straightening of Lines and Colors (Manual Head Adj) ................................................................... 678
Adjusting Line Misalignment (Head Inc. Adj.) .................................................................................................. 680
Troubleshooting Paper Abrasion and Blurry Images (Head Height) ............................................................... 683
Adjusting the Printhead
If printed documents are affected by the following problems, try adjusting the printhead.
• Printing is faint or affected by banding in different colors
Execute Nozzle Check to check for printhead nozzle clogging.
For instructions, see "Checking for Nozzle Clogging."
→P.813
• 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.676 or see
"Manual Straightening of Lines and Colors (Manual Head Adj)." →P.678
• 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.680
• 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 "Troubleshooting Paper Abrasion and Blurry Images (Head Height)."
→P.683
Automatic Straightening of Lines and Colors (Auto Head Adj.)
If printed vertical lines are warped or colors are out of alignment, adjust the Printhead alignment.
Use Auto Head Adj. to have the printer print and read a test pattern for automatic adjustment of the printhead.
Auto Head Adj. offers two modes, Standard Adj. and Advanced Adj..
Standard Adj. will fix most slight image distortion or color misalignment, but if not, try Advanced Adj..
Adjustments for Better Print Quality > Adjusting the Printhead >
Adjusting the Printhead iPF825
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