2JN
1-3-30
U100
Setting the main high voltage
Description
Controls the main charger high voltage to optimize the surface potential.
Purpose
To change the setting value to adjust the image if an image failure (background blur, etc.) occurs.
Setting
1. Press the start key.
2. Change the setting value using the cursor left/right keys or numeric keys.
3. Press the start key. The value is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
U101
Setting the voltage for the primary transfer
Description
Sets the control voltage for the primary transfer.
Purpose
To change the setting when any density problems, such as too dark or light, occur.
Setting
1. Press the start key.
2. Change the setting value using the cursor left/right keys or numeric keys.
3. Press the start key. The value is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
U111
Checking the drum drive time
Description
Displays the drum drive time for checking a figure, which is used as a reference when correcting the high volt-
age based on time.
Purpose
To check the drum status.
Method
1. Press the start key. The drum drive time is displayed.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Maintenance
item No.
Description
Display
Description
Setting range
Initial setting
ADJUST
Main charger high voltage output
-30 to 30
0
Display
Description
Setting range
Initial setting
ADJUST
Primary transfer control voltage
-30 to 30
0
Display
Description
TIME(min)
Drum drive time
Service Manual Y111030-4
Summary of Contents for d-Copia 284MF
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Page 251: ...UPDATING STATUS DATE UPDATED PAGES PAGES CODE 09 2009 1ST EDITION 251 Y111030 4...