Service manual

Maintenance
Description
item No.
2DA/2DB
1-4-20
U076 Executing DP automatic adjustment
Description
Uses a specified original and automatically adjusts the following items in the DP scanning section.
• Adjusting the DP magnification (U070)
• Adjusting the DP scanning timing (U071)
• Adjusting the DP center line (U072)
When you run this maintenance mode, the preset values of U070, U071 and U072 will also be updated.
Purpose
To perform automatic adjustment of various items in the DP scanning section.
Method
1. Set a specified original (part number: 2AC68241) in the DP.
2. Press the start key. The screen for executing is displayed.
3. Press the start key. Auto adjustment starts. When adjustment is complete, each adjusted value is
displayed.
Display Description
CONVEY SPEED DP magnification in the auxiliary scanning direction
LEAD EDGE ADJ DP leading edge registration
DP CENTER DP original center line
If a problem occurs during auto adjustment, DATA: XX (XX is replaced by an error code) is displayed and
operation stops. Should this happen, determine the details of the problem and either repeat the procedure
from the beginning, or adjust the remaining items manually by running the corresponding maintenance
items.
Completion
Press the stop/clear key after auto adjustment is complete. The screen for selecting a maintenance item is
displayed.
If the stop/clear key is pressed during auto adjustment, adjustment stops and no settings are changed.