Epson 2200 - Stylus Photo Color Inkjet Printer, Service Manual

Page: 209 / 258

EPSON Stylus PHOTO 2100/2200 Revision B
ADJUSTMENT Adjustments 209
5.2.10 Pixel Shift Adjustment
This adjustment is made to correct the variations of ink discharged from the nozzles for
Bi-D printing.
The following shows the pixel shift adjustment check patterns.
Figure 5-23. Pixel Shift Adjustment Check Patterns
1. Select Pixel shift adjustment in the adjustment program.
2. Print the pixel shift adjustment check patterns, choose the pattern that has the
smallest displacements in each line (except Line Y), and enter it in the adjustment
program.
3. Print the check patterns again, and adjust the displacement amount.
C H E C K
P O I N T
"
Before starting this adjustment, make sure that Head angular
adjustment and Bi-D adjustment have been made precisely.
"
This adjustment is performed only in the VSD 4 print mode.
"
For the Y nozzles, adjustment is not made since the adjustment
result scarcely influences the image.