Kyocera KM-6030 Service Manual page 103

2FB/2FC-3
Maintenance
item No.
Adjusting the surface potential
U100
Description
Performs the main charging output.
Purpose
To check the main charging. Do not change the preset value.
Start
Press the start key. The screen for selecting an item is displayed.
Display
DSP DATA
MC ON/OFF
LASER ON/OFF
ADC SPV
MC ADJ GAIN
START ADJ GAIN
Method for main charger output
1. Select the main charger output at 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. Select DSP DATA at the screen for selecting an item.
2. Change the setting using the * or # keys.
Setting
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 start key. The value is set.
Setting the value of the potential compensation
1. Select MC ADJ GAIN at the screen for selecting an item.
2. Change the setting using the * or # keys.
Setting
Value of the potential compensation
Basically, the setting need not be changed. Increase the setting value when poor image quality is
caused by dirt in the main charger wire.
3. Press the start key. The value is set.
Setting the potential compensation of first copy start
1. Select START ADJ GAIN at the screen for selecting an item.
2. Select 0 (OFF) or 1 (ON) using the * or # keys.
Initial setting: 0 (OFF)
3. Press the start key. The value is set.
Supplement
When MC ON/OFF or LASER ON/OFF is selected, copying from an original is available in the interrupt copy-
ing 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.
1-4-30
Description
Description
Changing the grid control voltage
Turning the main charger on and off
Turning the main charger on and the laser scanner unit on and off
The sampling value for every 1 sec of an potential sensor output
value
Value of the potential compensation
Turning the potential compensation of first copy start on and off
Setting range
40 to 120
Setting range
0/15/20/25
Reference value
82
Initial setting
20