Adj 60.2 Iit Lead Edge Registration - Xerox VersaLink B7025 Service Manual

ADJ 60.2 IIT Lead Edge Registration

Purpose
To adjust the IIT scan timing in the process direction and to correct the copy position.
Check
Only perform this procedure if absolutely necessary. IIT lead registration affects the precision
of document size detection.
NOTE: For a description of the print/copy orientation definitions, refer to
entation Definitions.
1. Ensure that the IOT lead edge registration is correct. Refer to
tion.
2. Make two, 100% copies of test pattern 82E8220 from the document glass.
3. On the 2nd copy, check that the distance from the lead edge to the top of Step 3 on the
LE2 scale is 10mm +/- 2.1mm (0.4 inch +/- 0.1 inch),
10mm +/- 2.1mm
(0.4 inch +/- 0.1 inch)
Figure 1 IIT lead edge registration
4. If the value is not within the specified range, perform the Adjustment.
Launch Issue
Xerox® VersaLink® B7025/B7030/B7035 Multifunction Printer
CAUTION
GP 31 Print/Copy Ori-
dC126 System Registra-
Figure 1.
Lead edge
Adjustment
1. Enter dC131. Change the value of NVM location 715-050 to correct lead edge registra-
tion:
• Increase the value to move the image towards the trail edge of the copy.
• Decrease the value to move the image towards the lead edge of the copy.
NOTE: An increment of 1 in NVM = 0.34mm (0.014inch).
2. Repeat the Check.
April 2017
4-235
Repairs and Adjustments
ADJ 60.2