
CHAPTER 4 SERVICE MODE
4-60
<DPC>
FUNCTION
Photosensitive Drum Potential Measurement
Level 3
D-GAMMA
Ref.
Description
Measures the photosensitive drum resistance, and indicates
the result in 0 through 3. This mode is effective when '1' is
set to OPTION>BODY>AGS-NON. It is a mode in which
APVC is forced.
n
Operation
1) Check to make sure that '1' is set to
OPTION>BODY>AGS-NON.
2) Select <D-GAMMA> to highlight, and press the Copy
Start key.
A solid black copy is generated, and the screen will
indicate a number.
n
Uses
Use the mode only under the following conditions; do not
rely on this mode unnecessarily:
•
To isolate the cause if copy density auto adjustment
ends in NG.
•
To obtain an idea of the wear of the drum.
•
To make adjustments if images show faults after
replacement of the drum cartridge.
0: The drum is as good as new.
1: The drum will not present a problem.
2: The drum may be replaced. (replace it if possible).
3. The drum must be replaced.
Photosensitive
medium film pressure
0
1
2
3
Beginning of life
End of life
Содержание GP335
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