Solid Black (Type=03); Solid White (Type=04) - Canon imageRUNNER 1750 Series Service Manual

■ Solid black (TYPE=03)

Check item Check method
Check the evenness of halftone
Transfer failure density. Check whether uneven image
or foggy image appears.
Check whether white lines appear on
White line
the image.
Check whether lines appear on the
Uneven pitch image in the horizontal scanning
direction.
Uneven
Check the density difference between
density
the front and rear sides.
(rear/front)
6
Troubleshooting > Test Print > How to View the Test Print > Solid white (TYPE=04)
F-6-3
Assumed cause
Transfer system failure is considered.
Developing system failure is considered.
Drum failure, developing system failure,
laser exposure system failure or drive-
related failure is considered.
Drum failure or developing system failure is
considered.
6 Troubleshooting > Test Print > How to View the Test Print > Solid white (TYPE=04)

■ Solid white (TYPE=04)

Check item Check method
Check whether foggy image appears in
Fogging
the blank area.
T-6-6
6-5
F-6-4
Assumed cause
Drum failure, laser exposure system failure
or developing system failure is considered.
T-6-7
6-5