Kyocera KM-4230 Service Manual page 245

2A3/4
Maintenance
item No.
U100 Setting the surface potential
Description
Changes the surface potential by changing the grid control voltage. Also
performs main charging.
Purpose
To set the surface potential or check main charging. Also used when
reentering data after replacing the backup RAM or initializing the set data.
Start
Press the print key. The screen for selecting an item is displayed.
Display
MC DATA
MC ON
MC ON/OFF
LASER ON/OFF
Method for main charger output
1 Select the main charger output on the screen for selecting an item:
select one from MC ON, MC ON/OFF or LASER ON/OFF on the touch
panel. The selected operation starts.
2 To stop operation, press the stop/clear key.
Setting the grid control voltage
1 Press the MC DATA on the touch panel of the screen for selecting an
item.
2 Change the setting using the Up/Down keys.
Description
Grid control voltage
Increasing the setting makes the surface potential higher, and
decreasing it makes the potential lower.
Change in value per step: approximately 3.6 V
3 Press the print key. The value is set.
Interrupt copy mode
While this maintenance item is being performed, copying from an original
can be made in interrupt copy mode.
Completion
Press the stop/clear key at the screen for selecting an item when main
charger output stops. The screen for selecting a maintenance item No. is
displayed.
3-2-36
Description
Description
Changing the grid control voltage
Turning the main charger on
Turning the main charger on and off
Turning the main charger on and the laser scanner
unit on and off
Setting range
0 to 255
Initial setting
150