Drum Peculiarity Adjustment - Minolta DI750 - MANUAL SERVICE Service Manual

[3] Drum Peculiarity Adjustment

Adjusting the blade set, drum potential, maximum den-
sity (Dmax), dot diameter, laser offset and gamma.
1. Select Process adjustment in the 36 Mode
1
Menu Screen to display the Process Adjustment
Menu Screen.
2. Press Drum peculiarity adjustment in the Proc-
2
ess Adjustment Menu Screen to display the Drum
Peculiarity Adjustment Menu Screen.
3. Drum peculiarity adjustment consists of the fol-
lowing:
[1] Blade setting mode
[2] Auto drum potential adjustment
[3] Auto maximum density adjustment (Dmax ad-
justment)
[4] Auto dot diameter adjustment
[5] LD1 offset adjustment
[6] LD2 offset adjustment
[7] Auto gamma adjustment
4. Press the number key corresponding to the item
to be adjusted.
The adjustment screen of the selected item is dis-
played.
5. When adjustment completes, the screen returns
to the Drum Characteristic Adjustment Menu
Screen.
6. Press the
PREVIOUS SCREEN
Characteristic Adjustment Menu Screen to return
to the Process Adjustment Menu Screen.
1.
key in the Drum
1 - 53
Blade setting mode
In this mode, toner stuck on the drum surface
during replacement of the cleaning blade or drum
is removed to prevent damage to the drum and
cleaning blade.
Preparation: Be sure the drum unit is set.
Apply setting powder to all the
surface of the drum.
Step Operation
1 Enter the 36 mode.
2 [36 Mode Menu Screen]
Press " Process adjustment."
1
3 [Process adjustment Screen]
Press " Drum peculiarity adjustment."
2
4 [Drum peculiarity adjustment mode
Menu Screen]
Press " Blade setting mode."
1
5 [Blade setting mode Screen]
Press the key.
START
Adjustment completes in about 5 seconds
and an end message is displayed.
6 Press the
PREVIOUS SCREEN
turn to the Process adjustment Screen.
36 ADJUSTMENT
key to re-