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CF5001 Field Service Ver.1.0 Sep 2003
(2) Automatic drum potential adjustment
Measure the charging potential of each drum of Y,
M, C and K to adjust automatically the developing
bias value and the charging voltage.
This adjustment is not necessary because of the
automatic gamma adjustment contain this adjust-
ment.
a.
Procedure
1. Enter the 36 mode.
2. "36 mode menu screen"
Press the [1. Process adjustment] key.
3. "Process adjustment menu screen"
Press the [2. Drum peculiarity adjustment] key.
4. "Drum peculiarity adjustment menu screen"
Press [2. Automatic drum potential adjustment]
key.
5. "Automatic drum potential adjustment screen"
Press the [Start] key. This process completes
in about 20 seconds and the charging potential
is displayed for each line speed (1/1 speed, 1/2
speed and 1/3 speed) and for each color (Y, M,
C and K) on the screen, with an exit message
shown.
6. Press the [PREVIOUS SCREEN] key to return
to the "Drum peculiarity adjustment menu
screen."
(3) Automatic gamma adjustment
The gamma adjustment is performed automatically.
This adjustment can be shown in the key operator
mode by setting DIPSW12-1 to 1.
a.
Procedure
1. Enter the 36 mode.
2. "36 mode menu screen"
Press the [1. Process adjustment] key.
3. "Process adjustment menu screen"
Press the [2. Drum peculiarity adjustment] key.
4. "Drum peculiarity adjustment menu screen"
Press the [3. Automatic gamma adjustment]
key.
5. "Automatic gamma adjustment 0 screen"
There are 8 kinds of the gamma adjustment (0
to 7). However, conduct "Gamma auto adjust-
ment 0" in the field.
"Automatic gamma adjustment 0": Perform the
Dmax density adjustment, dot diameter adjust-
ment, automatic drum potential adjustment,
and the gamma adjustment. The developing
bias value is shown for each line speed (1/1
speed, 1/2 speed and 1/3 speed) and for each
color (Y, M, C and K) with a complete mes-
sage.
Press the [Start] key. This process completes
in about 2.5 minutes and the developing bias
value is displayed for each line speed (1/1
speed, 1/ 2 speed and 1/3 speed) and for each
color (Y, M, C and K) on the screen with a com-
plete message.
6. Press the [PREVIOUS SCREEN] key to return
to the "Drum peculiarity adjustment menu
screen."
2-53
36 MODE
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