Olivetti d-Copia 3002MF plus, Service Manual

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Contents
Adjust the surface potential by changing the voltage impressed to the main charge roller.
Purpose
Change the set value to adjust the image when an image failure (background image) occurs.
Method
1.Press the [Start] key.
2.Select the item to set.
*: The screen for setting is displayed.
Setting: Adj AC Bias
1.Select the item to set.
2.By using the [+] [-] keys or the numeric keys, change the setting value.
*: When the setting value is increased, the image get thinner, and it gets thicker when the setting value is
decreased.
Set value is variable depending on the environment.
3.Press the [Start] key to set the setting value.
Setting: Set AC Auto Adj
1.Select the item to set.
*: Initial setting: On
2.Press the [Start] key to set the setting value.
Setting: Set DC Bias
1.Displays the current setting.
U100 Main high voltage adjustment
(Message: Adjust Main High Voltage Output)
Items Contents
Adj DC Bias Adjust the main charge AC bias of each color
Set AC Auto Adj *1 Sets the automatic AC bias adjustment
Set DC Bias Displays the main charge DC bias correction value.
Adj DC Bias Adjust the surface potential additional value
Set Charger Freq Sets the frequency of the main charger
Chk Current Displays the electric current flows
Items Contents Setting range Initial
setting
AC Bias(K) Main charge AC bias value 400 to 2300 1100
Items Contents
On Adjust automatically
Off Not adjusted automatically
Items Contents Setting range Initial
setting
DC1 Bias(K) Main charge DC bias correction value (Full speed) -350 to 700 480
Y11 8 240-1
Service Manual