Xerox Phaser 6121MFP Service Manual page 277

Phaser 6121MFP Service Manual
Procedure
1. Print Test Pattern 1 (page 6-32) from Tray 1 using letter or A4 media.
2. Place the test pattern vertically on the platen and make a copy.
3. Check that the copy meets the specification, 100 mm ± 0.5 mm.
4. If the width of D is out of specification, adjust the value.
5. Press the Down Arrow button to select Adjustment and then press the OK
button.
6. Using the Up or Down Arrow buttons, adjust the setting, then press the Select
button.
7. Check zoom adjustment by repeating steps 2 through 6. Continue adjustment
until the specification is met.
Note
If the width of D in the copy of TP 1 is longer than the printed version,
decrease the setting.
If the width of D in the copy of TP 1 is shorter than the printed version,
increase the setting.
Scanner Sub Zoom
To adjust for variations in the accuracy of IR parts and their mounting accuracy by
varying the scanning zoom ratio in the sub-scanning direction.
Note
Adjust Scanner Sub Zoom after replacement of a Image Processor Board or
Scanner.
Adjust the width of E in the copy of Test Pattern 1 so that the following
specification is met: 200 mm ± 1 mm (Zoom Ratio = Full Size:100%).
Default Setting
The default setting is 0%.
Adjustment Range
-2.0% to +2.0% in 0.2% increments.
Adjustments and Calibrations
D
s6121mfp-319
6-15