Table of Contents
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7. Press start key.
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
Fogging
White line
Uneven density at front &
rear
■ Full half tone (TYPE=5)
This test print is for mainly checking the black line, white line and uneven density.
Check method
Check that 16 density gradation is properly reproduced.
Check that fogging occurs on white image area only.
Check that white line does not appear on entire image.
Check that uneven density does not appear at front & rear. Failure of Drum Unit
Failure of Drum Unit
Failure of Laser Scanner Unit
Failure of Drum Unit
Failure of Laser Scanner Unit
Failure of Drum Unit
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6. Troubleshooting
Assumed cause
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Table of Contents
Troubleshooting
