Adj 9.1.14 Iit Lead Edge Registration - Xerox DocuColor 12/DCCS50 Service Manual

ADJ 9.1.14 IIT Lead Edge Registration

Purpose
To adjust the copy position.
Do not adjust the lead registration unless absolutely necessary, when the registration is not
correct in the IIT, since the IIT lead registration influences the precision of the document size
detection.
NOTE: Before running this function, check/adjust Side/Lead Edge Registration
Check
1. Load 11" x 17" (A3) paper in Tray 2, if available.
2. Place the B&W test pattern (82E8220) on the platen and copy it as follows:
a. Copy mode: Black
b. Paper tray: Tray 2
c. Magnification: 100
d. Number of copies: 2
3. Check on the 2nd copy that the distance from the side edge to the top of Step 3 on the
LE1 and LE3 scales is 10.0mm +/- 2.1mm
10.0mm +/-
2.1mm
Figure 1 Checking the IIT Lead Registration
4. If the value is not within the allowable range, perform the Adjustment:
Reissue
DocuColor 12/DCCS50
CAUTION
(ADJ
(Figure 1).
Adjustment
1. Enter dC131 NVM Read/Write.
2. Change the value in location [715-132]:
a. 1 step: 0.0635mm
b. Increase the value to move the image away from the lead edge.
c. Decrease the value to move the image toward the lead edge.
9.1.10).
1/05
4-207
Repairs and Adjustments
ADJ 9.1.14