Canon iPF9000S Troubleshooting Manual page 109

Thick, blurred or smeared
vertical lines
Only lines are thick in all
directions
Only characters are thick
・Misregistration in two-way
impact on carriage travel
・Satellite effect
Lines printed in CAD mode are
automatically subjected to [Enhance
thin lines] processing
Low character output resolution
3-33
Chapter 3 More Sophisticated Fault Isolation Tasks
Print drawings in character and
line drawing mode
The carriage will travel slower, making for
better impact accuracy (dye models).
Specify one-way printing (which
will slow the printing speed)
T15
Perform automatic head adjustment
In the printer driver properties dialog box, choose
[Preferences] and uncheck [Enhance thin lines]
In the printer driver properties dialog box, choose
[Layout] → [Special Settings] and change [Set
FineZoom] to "No."
In the print driver properties dialog box,
check [Sharpen characters] in the printer
Only on five-color dye and pigmented ink models
T15
Perform automatic
head adjustment