Mode; Setting Method; Process Adjustment - Konica Minolta 7145 Service Manual

7145 series Field Service Ver.4.0 Mar. 2004

8. 36 MODE

8.1

Setting method

A special operating mode called "36 Mode" has
been provided with this machine. This mode
enables adjustment of the various parts.
A. Procedure
1. Turn the SW2 (sub power switch) OFF when the
SW1 (main power switch) remains ON.
2. Turn the SW2 ON while pressing 3 and 6 of the
copy quantity setting buttons.
If security enhancement is enabled, the CE
password input request screen appears. In put
CE password.
36 mode menu screen appears. At this moment,
the machine turns to 36 mode and normal copy
operation is disabled.
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
has been entered.
6. Turn the SW2 OFF to cancel the 36 mode.
7. New data will be effective after restarting.
Note:
• If FNS is not installed, the [FNS adj.] key is netted
and neither key can be selected.
8.2

Process adjustment

Adjust the L detection, various high voltages, devel-
oper toner density, dot diameter, and the laser off-
set.
A. Procedure
1. Select [1. Process adjustment] in the 36 mode
menu screen and display the "Process adjust-
ment menu screen".
2. The following items are shown on the "Process
adjustment menu screen".
• Charging voltage value adjustment
• Transfer current adjustment
• Separation (AC) voltage adjustment
• Separation (DC) voltage value adjustment
• Charging grid voltage adjustment
• Developing bias adjustment
• L detection adjustment
• Automatic toner supply
• Toner density adjustment
• Dot diameter adjustment
• LD1 offset adjustment
• LD2 offset adjustment (7145 only)
• LD1 bias adjustment
• LD2 bias adjustment (7145 only)
3. Press the arrow key until the item you want to
adjust appears. The adjustment screen of the
selected item is displayed.
4. Press the [Preceding screen] of each process
adjustment screen to return to "Process adjust-
ment menu screen".
(1) Process adjustment—Charging voltage value
adjustment
• Charging voltage value adjustment is inhibited in
the field.
(2) Process adjustment—Transfer current adjust-
ment
• Transfer current adjustment is inhibited in the
field.
(3) Process adjustment—Separation (AC) voltage
adjustment
• Separation (AC) voltage adjustment is inhibited
in the field.
(4) Process adjustment—Separation (DC) voltage
value adjustment
• Separation (DC) voltage value adjustment is
inhibited in the field.
(5) Process adjustment—Charging grid voltage
adjustment
• Charging grid voltage adjustment is inhibited in
the field.
(6) Process adjustment—Developing bias adjust-
ment
• Developing bias adjustment is inhibited in the
field.
(7) Process adjustment—L detection adjustment
• See "L detection adjustment".
(8) Process adjustment—Automatic toner supply
• Normally carried out automatically, and the pro-
cess adjustment - automatic toner supply is not
made in the field.
1-45
36 MODE
3