Printing is faint – Canon imagePROGRAF GP-4000 User Manual
Page 746
Printing is faint
Check 1
Is the reverse side of the paper being used for printing?
Print on the printing surface.
Check 2
Is the Print head nozzle blocked?
Print a test pattern to check the nozzles and see if they are clogged.
Note
• To automatically check for nozzle blockages after printing, set
Auto nozzle check
in the touch screen
•
menu to a setting other than
Disable
.
To show warnings based on nozzle check results, set
Nozzle check error display
in the touch screen
menu to
Enable
.
However, printing may be stopped by warnings if this setting is set to
Enable
.
Check 3
Was the printer left with the ink tank out?
The ink supply may become blocked by ink if the ink tank is left out.
If this happens, leave the printer for at least 24 hours with the ink tank in, and then carry out
Print Head
Cleaning
.
Check 4
Are paper scraps stuck in the top cover?
Remove any scraps of paper left inside the top cover.
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