3LL/3LK-2
1-3-29
U071
Adjusting the DP scanning timing
Description
Adjusts the DP original scanning timing.
Purpose
Make the adjustment if there is a regular error between the leading or trailing edges of the original and the
copy image when the DP is used.
Method
1. Press the start key.
2. Select the item to be adjusted.
*: Dual scan DP only.
Adjustment: Leading edge registration
1. Press the system menu key.
2. Place an original on the DP and press the start key to make a test copy.
3. Press the system menu key.
4. Change the setting value using the +/- or numeric keys.
For copy example 1, increase the value. For copy example 2, decrease the value.
Figure 1-3-11
5. Press the start key. The value is set.
Caution
If the CCD first side is adjusted, check the CCD second side and if adjustment is required, carry out the
adjustment.
Check the copy image after the adjustment. If the image is still incorrect, perform the following adjustments in
maintenance mode.
Maintenance
item No.
Description
Display
Description
Setting
range
Initial
setting
Change in
value per step
FRONT HEAD
Leading edge registration of CCD
(first side)
-66 to 66
0
0.08 mm
FRONT TAIL
Trailing edge registration of CCD
(first side)
-66 to 66
0
0.08 mm
BACK HEAD
Leading edge registration of CCD
(second side)
-66 to 66
0
0.08 mm
BACK TAIL
Trailing edge registration of CCD
(second side)
-66 to 66
0
0.08 mm
HEAD (CIS)*
Leading edge registration of CIS
-66 to 66
0
0.08 mm
TAIL (CIS)*
Trailing edge registration of CIS
-66 to 66
0
0.08 mm
Original
Copy
example 1
Copy
example 2
U071
U404
Содержание DP-750
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