Canon iPF9000S Troubleshooting Manual page 108

18. Imaging Failures ④
C1 Application problem
Printer driver settings
C2
C3 Main unit
Cause
Check to see if an error has not been detected by running Nozzle Check Print in
C3
User mode.
C1, C2, C3 Check the direction and conditions of lines.
C3 Color misregistration
Flow 1
Vertical line
Normal image
Only leftmost or rightmost vertical
lines are thick or doubly blurred
Vertical lines (band) print darker in part
Photograph or solid print area
Only the leading end of a rightmost
line is abnormal
Line and character errors
Point to check
Horizontal line
Ink attracted to the suction fan to make
impact accuracy at end points erratic
Ink in the idle nozzles is thickened during
printing, making impact accuracy erratic or
adding to the density
Thickening is an increase in density of an ink
caused by the evaporation of the solvent in the ink.
Darker prints
Erratic ejection only at
the start of impact
Chapter 3 More Sophisticated Fault Isolation Tasks
Print within the guaranteed print area
Lower the head
Reduce the suction force of the suction fan
Perform Cleaning A
Print in an upper mode
Rotary printing
Print a throw-away image (lines) outside the
print area in the same color
3-32
Action
T03 (P4-3)
Flow 1
T15 (P4-20)
Watch for head rubbing
Watch for head rubbing
Rotary printing
Affected areas move
Print a throw-away image (lines)
outside the print area in the
same color