Setting The Main High Voltage; Setting The Other High Voltages - Kyocera KM-3050 Service Manual

Maintenance
item No.

Setting the main high voltage

U100
Description
Performs main charging.
Purpose
To check main charging.
Method
1. Press the start key.
2. Select the item to be operated.
3. Press the start key. The selected operation starts.
Display
MC ON
LASER ON/OFF
4. To stop operation, press the stop key.
Completion
Press the stop key when main charger output stops. The screen for selecting a maintenance item No. is dis-
played.

Setting the other high voltages

U101
Description
Sets the developing bias control voltage, the transfer control voltage, and the separation control voltage or
checks the output of these voltages.
Purpose
To check the developing bias, the transfer voltage and the separation voltage or to take measures against
drop of image density or background fog.
Setting
1. Press the start key.
2. Select the item to be set.
3. Change the setting using the +/- or numeric keys.
Display
DEV BIAS
DEV SBIAS
DEV DUTY
TC DATA
SC DATA
Increasing the DEV BIAS setting makes the image darker; decreasing it makes the image lighter.
Increasing the DEV SBIAS setting makes the image darker.
Increasing the DEV DUTY setting makes the image lighter; decreasing it makes the image darker.
Increasing the TC DATA setting makes the transfer voltage higher, and decreasing it makes the voltage
lower.
Increasing the SC DATA setting makes the separation voltage higher, and decreasing it makes the volt-
age lower.
4. Press the start key. The value is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Description
Turning the main charger on
Turning the main charger on and the laser scanner unit on and off
Description
Developing bias AC component frequency at
image formation
Developing shift bias potential at image for-
mation
Developing bias AC component duty at image
formation
Transfer control voltage
Separation control voltage
Description
Setting range
20 to 32
0 to 3
0 to 100
0 to 300
0 to 60
2GN/2GP/2GR-3
Initial setting
28
1
50
130
20
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