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4. Enter the desired TYPE number and press OK key.
5. Select the corresponding color (setting 1 means output) in COLOR-Y/M/C/K.
6. Set the density in DENS-Y/M/C/K (this is enabled for TYPE=5 only).
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.
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6. Troubleshooting
Assumed cause
Failure of Drum Unit (end of life)
Failure of Laser Scanner Unit
Failure of Drum Unit (end of life)
Failure of Laser Scanner Unit
Failure of Developing Assembly
Failure of Photosensitive Drum (approx.
94mm)
Failure of Developing Cylinder (approx.
63mm)
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Table of Contents
Troubleshooting
