Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635 Revision C
ADJUSTMENT Scanner Original Adjustment 128
Confidential
5. Click the “SGL” icon in the “EPSON Scanner Function Test - WriteZero for 
serviceQ” window.
Figure 5-22.  Original Adjustment (3)
6. Enter the product number in the “Single Test” window, select “Write Zero 
Correction Value”, and press the [Execute] button.
Figure 5-23.  Original Adjustment (4)
7. A progress bar will be displayed followed by the window shown below.
<Window displayed when the adjustment is completed successfully>
Figure 5-24.  Window displayed when the adjustment is completed successfully (1)
Figure 5-25.  Window displayed when the adjustment is completed successfully (2)
<Window displayed when the adjustment has failed>
Enter the last five digits of the scanner production control number 
label, put one space, and then enter the last five digits of the printer 
production control number label.
Execute Button
Select “Write Zero Correction Value”.