2LK/2LN/2LM/2LC-2
1-3-70
U099 Completion
Press the stop key. The screen for maintenance item No. is displayed.
U100 Adjusting main high voltage
Description
Controls the charger roller voltage to optimize the surface potential.
Purpose
To change the setting value to adjust the image if an image failure (background blur, etc.) occurs.
Method
1. Press the start key.
2. Select an item and press the start key.
Setting: [Adj AC Bias]
1. Change the value using the +/- or numeric keys.
Increasing the setting makes the image lighter; decreasing it makes the image darker.
The values set vary depending on environments.
*: 55 ppm model only.
2. Press the start key. The value is set.
Setting: [Set AC Auto Adj]
1. Select On or Off.
Initial setting: On
2. Press the start key. The setting is set.
Item No. Description
Display Description
Adj AC Bias Main charger AC bias for each color
Set AC Auto Adj Setting the AC bias auto adjustment
Set DC Bias Main charger DC bias for each color
Adj DC Bias Additional surface potential
Set Low Temp Pre-charge time at power supply ON
Set Charger Freq Setting the main charger frequency
Chk Current Rush current display
Display Description Setting range
AC Bias(C) Main charger AC bias for cyan 0 to 255
AC Bias(M) Main charger AC bias for magenta 0 to 255
AC Bias(Y) Main charger AC bias for yellow 0 to 255
AC Bias(K) Main charger AC bias for black 0 to 255
AC Bias B/W(K)* Main charger AC bias for black in black/white
mode
0 to 255
Display Description
On Turns auto adjustment ON
Off Turns auto adjustment OFF
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