Xerox PHASER 6121MFP, Service Manual

Page: 276 / 532

6-14 Phaser 6121MFP Service Manual
Adjustments and Calibrations
Adjustment Function Descriptions
Different adjust items are applicable and the corresponding adjust values become
valid according to the specific sub-function of the main function (Copy, Fax, Twain,
or NetScan) as detailed in the following table.
Scanner Main Zoom
Adjust for variations in the accuracy of IR parts and their mounting accuracy by
varying the scanning zoom ratio in the main scanning direction.
Note
Adjust CIS Main Zoom after replacement of the Image Processor Board or
Scanner.
Print Test Pattern 1 (page 6-32). Adjust the width of D in the copy of Test Pattern 1
so that the following specification is met 100 mm ± 0.5 mm (Zoom Ratio = Full
Size:100%).
Default Setting
The default setting is 0%.
Adjustment Range
-2.0% to +2.0% in 0.2% increments.
Function
Copy Fax Twain Scan
Adjust item CIS ADF CIS ADF CIS ADF CIS ADF
Scanner Main
Zoom O O O O X X X X
Scanner Sub Zoom O X O X X X X X
Scan Main Regist O X O X O X O X
Scan Sub Regist O X O X O X O X
ADF Sub Zoom X O X O X X X X
ADF Main Reg X O X O X O X O
ADF Sub Reg X O X O X O X O