Adjusting The Dp Scanning Timing; Adjustment: Leading Edge Registration - Kyocera TASKalfa 420i Service Manual

2KR/2KS
Maintenance
item No.

Adjusting the DP scanning timing

U071
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.
Display
FRONT HEAD
FRONT TAIL
BACK HEAD
BACK TAIL
HEAD (CIS)*
TAIL (CIS)*
*: 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.
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.
U071
1-3-34
Description
Leading edge registration of CCD
(first side)
Trailing edge registration of CCD
(first side)
Leading edge registration of CCD
(second side)
Trailing edge registration of CCD
(second side)
Leading edge registration of CIS
Trailing edge registration of CIS
Original
U404
(P.1-3-83)
Description
Setting
range
-66 to 66
-66 to 66
-66 to 66
-66 to 66
-66 to 66
-66 to 66
Copy Copy
example 1 example 2
Figure 1-3-14
Initial Change in
setting value per step
0 0.08 mm
0 0.08 mm
0 0.08 mm
0 0.08 mm
0 0.08 mm
0 0.08 mm