How To Use The Test Print - Canon imageRUNNER ADVANCE C350 series Service Manual

How to use the test print

■ 16 gradations (TYPE=4)
This test print is for mainly checking the gradation, fogging, white line and uneven density at front & rear.
Check item
Gradation Check that 16 density gradation is properly reproduced.
Fogging Check that fogging occurs on white image area only.
White line Check that white line does not appear on entire image.
Uneven density at Check that uneven density does not appear at front & rear.
front & rear
6
Troubleshooting > Test Print > How to use the test print > 16 gradations (TYPE=4)
Check method
Failure of Drum Unit
Failure of Laser Scanner Unit
Failure of Drum Unit
Failure of Laser Scanner Unit
Failure of Drum Unit
Failure of Drum Unit
6 Troubleshooting > Test Print > How to use the test print > 16 gradations (TYPE=4)
F-6-1
Assumed cause
T-6-3
6-4
6-4