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1-4-30
U100
Adjusting the surface potential
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.
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.
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.
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
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.
Interrupt copy mode
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.
Maintenance
item No.
Description
Display
Description
DSP DATA
Changing the grid control voltage
MC ON/OFF
Turning the main charger on and off
LASER ON/OFF
Turning the main charger on and the laser scanner unit on and off
ADC SPV
The sampling value for every 1 sec of an potential sensor output
value
MC ADJ GAIN
Value of the potential compensation
START ADJ GAIN
Turning the potential compensation on and off
Setting
Setting range
Reference value
Grid control voltage
40 to 120
82
Setting
Setting range
Initial setting
Value of the potential compensation
0/15/20/25
20
Service Manual Y104350-7
Summary of Contents for d-Copia 600
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