Setting Method; High Voltage Adjustment - Konica Minolta 7020 Service Manual

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[1]

Setting Method

A special operating mode called "36 Mode" has been
provided with this machine.
adjustment of the various parts.
1. Turn the SW2 (sub power) OFF when the SW1
(main power) remains ON.
2. Turn the SW2 (sub power) ON while pressing 3 and
6 of the copy quantity setting buttons.
36 mode menu screen will appear on the LCD. At
this time, normal copy operation is not possible.
36 mode menu screen
Note:
3
3. Press the desired item key on the LCD screen.
Each setting screen will appear.
4. Enter data in each setting screen.
5. Press the [RETURN] key to check the data that
have been entered.
6. Turn the SW2 (sub power) OFF to cancel the 36
mode.
7. New data will be effective after re-starting.
Note:
This mode enables
In the case of machines other than the
7020/25/30/35, [8. Counter Clear] in the 36
mode is the same as [13. Counter Clear] in
the 25 mode.
If RADF and FNS are not installed, the [9.
RADF adj.] and [10. FNS adj.] keys are
netted and neither key can be selected.
[2]

High Voltage Adjustment

1. Charging voltage value adjustment
Charging voltage value adjustment is inhibited in the
field.
2. Transfer current adjustment
Transfer current adjustment is inhibited in the field.
3. Separation (AC) voltage adjustment
Separation (AC) voltage adjustment is inhibited in the
field.
4. Separation (DC) voltage value adjustment
Separation (DC) voltage value adjustment is inhibited
in the field.
5. Charging grid voltage adjustment
Charging grid voltage adjustment is inhibited in the
field.
6. Developing bias adjustment
Developing bias adjustment is inhibited in the field.
7. L detection adjustment
This adjustment be made immediately after
replacement of the developer (before any copies are
made with the new developer). Developing counter is
automatically reset.
Caution: After replacing the developer, do not make
copies until you have performed L
detection adjustment.
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36
ADJUSTMENT