Enlargement Areas To Be Measured (J0St41138); Adj 11.2.1 Reduce/Enlarge Adjustment - Xerox WorkCentre 5222 Service Manual

ADJ 11.2.1 Reduce/Enlarge Adjustment

Purpose
To obtain the proper Reduce/Enlarge ratio for Copy in the Lead Edge to Trail Edge direction
and the Front to Rear direction.
Check
1. Use Side B of the Standard Test Pattern (82P521 or 82P524).
The tolerance for each Reduce/Enlarge setting in the Lead Edge to Trail Edge direction
and the Front to Rear direction are listed in the following table.
Table 1 Measurement
Reduce/Enlarge (%) Measurement
65 130 ± 2mm
101 202 ± 2mm
154 154 ± 1.5mm
Refer to Figure 1 for the areas to be measured. For 65% and 101%, use areas A and B
for reduction/enlargement in the Lead Edge to Trail Edge direction, and areas C and D for
enlargement in the Front to Rear direction. For 154%, use areas A and E for enlargement
in the Lead Edge to Trail Edge direction, and areas C and F for enlargement in the Front
to Rear direction. (Figure 1)
Repairs and Adjustments
ADJ 11.2.1
Figure 1 Enlargement areas to be measured (j0st41138)
Adjustment
1. Access Diagnostic Routines.
a. Enter UI Diagnostics
2. Select NVM Read/Write.
3. Adjust the distance between the reference points in the copy using the following NVM so
that it is the same as the distance between the same points in the Test Chart.
If the measured value in the copy is shorter than the measured value in the Test Chart:
Set a larger value.
February, 2008
4-230
(UI Diagnostic Mode).
WorkCentre 5225, 5230
Launch Version