2DF
1-4-17
Maintenance
Description
item No.
U072 Adjusting the DF center line
Description
Adjusts the scanning start position for the DF original.
Purpose
To be executed if there is a regular error between the centers of the original and the copy image when the
optional DF is used.
Caution
Before making this adjustment, ensure that the following adjustments have been made in maintenance mode.
U034 U067 U072
Method
Press the start key. The screen for executing is displayed.
Setting
1. Change the setting using the cursor up/down keys.
Description Setting range Initial setting Change in value per step
DF center line –39 to +39 15 0.17 mm
Increasing the setting moves the image to the right, and decreasing it moves the image to the left.
2. Press the start key. The value is set.
Interrupt copy mode
While this maintenance item is being performed, copying from an original can be made in interrupt copy mode.
Adjustment
1. In interrupt copy mode, make a copy using the DF.
2. Check the copy image and adjust the center line as follows.
For copy example 1, increase the setting.
For copy example 2, decrease the setting.
Original Copy
example 1
Copy
example 2
Reference
Figure 1-4-3
Completion
Press the stop/clear key at the screen for selecting an item. The screen for selecting a maintenance item No. is
displayed.
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