Xerox VersaLink B7025 Service Manual page 867

NOTE: Grid A and grid B of test patterns 82E2010, 82E2020 are small areas of parallel
lines 1mm apart. These can be used to directly measure the registration displacement.
Figure 1 Test pattern
Side 1 Adjustment
1. Enter dC131. Change NVM value 711-272 to correct side edge registration for all docu-
ment sizes. Refer to Table 1. Increasing the NVM value moves the image towards the
inboard edge of the copy.
Launch Issue
Xerox® VersaLink® B7025/B7030/B7035 Multifunction Printer
NOTE: An increment of 1 in NVM = 0.1mm (0.04 inch).
NVM Document Width
Grids A
711-272 For all sizes
715-056 139.7 to 148 mm
715-058 182 to 194mm
715-060 203.2mm
715-062 210mm
715-064 214.9 to 215.9mm
715-066 254 to 257mm
715-068 266.7 to 267mm
715-070 279.4mm
715-072 297mm
2. If required, NVM values 715-056 to 715-072 can be changed to correct side edge regis-
tration for each individual document size. Refer to
3. Repeat the Side 1 Check. If the side 1 side edge registration is good, perform the
Check.
Side 2 Check
1. Place the test pattern 82E2010 (A4) or 82E2020 (8.5 x11inch) face down in the DADF
input tray. Ensure that the document guides are correctly adjusted.
2. Make a duplex (2 to 1 sided) copy.
3. Figure 1, use the grids to measure the side edge displacement. Check that the side edge
registration error is within +/- 2.1 mm (0.082 inch).
Side 2 Adjustment
1. Enter dC131. Change NVM value 711-274 to correct side edge registration for all docu-
ment sizes. Refer to
inboard edge of the copy.
April 2017
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Table 1 Side 1 NVM values
Document Size
For all sizes
A5 SEF, 5.5x8.5 SEF
B5 SEF, 16K SEF
8x10 SEF, 8x10.5 SEF
A4 SEF, A5 LEF
Letter SEF, Legal SEF, 5.5x8.5 LEF, 8.46x12.4 SEF,
8.5x13 SEF
B4 SEF, B5 LEF, 8x10 LEF
16K LEF, 8K LEF, 8x10.5 LEF
Letter LEF, 11x15 SEF, 11x17 SEF
A4 LEF, A3 SEF
Table 1.
Table 2. Increasing the NVM value moves the image towards the
Side 2
Repairs and Adjustments
ADJ 5.2