Canon imageRUNNER ADVANCE C350 series Service Manual page 520

■ Full color 16-gradations (TYPE=14)
This test print is for mainly checking the gray balance, gradations of YMCBk singe color and fogging.
Check item
Gradation Check that 64 gradations density is properly reproduced in
each color.
Fogging Check that fogging appears on white image area only.
Gray balance Check that density is even in each color on gray scale area.
6
Troubleshooting > Test Print > How to use the test print > Full color 16-gradations (TYPE=14)
Light areas
Check method
Failure of Drum Unit
Failure of Laser Scanner Unit
Failure of Drum Unit
Failure of Laser Scanner Unit
Failure of Drum Unit
6 Troubleshooting > Test Print > How to use the test print > Full color 16-gradations (TYPE=14)
White
White
F-6-6
Assumed cause
T-6-8
6-9
6-9