Service manual

Maintenance
Description
item No.
2DA/2DB
1-4-18
U072 Adjusting the DP center line
Description
Adjusts the scanning start position for the DP original.
Purpose
To be executed if there is a regular error between the centers of the original and the copy image when the
optional DP 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 setting is displayed.
Setting
1. Select the item to be set using the up/down cursor keys. The selected item is displayed in reverse.
2. Change the setting using the left/right cursor keys.
Display Description Setting range Initial setting
Change in
value per step
1 sided Simplex copy mode –39 to +39 0 0.1 mm
2 sided front Front face in duplex copy mode –39 to +39 0 0.1 mm
2 sided back Reverse face in duplex copy mode –39 to +39 0 0.1 mm
Increasing the setting moves the image to the right, and decreasing it moves the image to the left.
3. 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.
1. Press the interrupt key. The machine enters the interrupt copy mode.
2. Set the original and press the strat key.
To return to the screen for setting, press the interrupt key.
Adjustment
1. In interrupt copy mode, make a copy using the DP.
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 setting. The screen for selecting a maintenance item No. is displayed.