Adjustment By Using Adjustment Program; Top Margin Adjustment; Head Angular Adjustment - Epson Stylus Photo PX650 Service Manual

Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635

5.2 Adjustment by Using Adjustment Program

This section explains how to judge print samples by using the adjustment program.
Follow the instructions of the adjustment program for details of the adjustment
methods.

5.2.1 Top Margin Adjustment

Patterns are printed as shown below.
Figure 5-1. Top Margin Adjustment Pattern
How to Judge
Measure the distance from the top edge of the paper to the printed line, and enter any
one of the "-", "0", "+" according to the judging standard.
ADJUSTMENT
[Judging Standard]
The distance from a paper top edge to a line is:
• 4 mm or more: Choose the "-" from a combobox.
• 2 mm or less: Choose the "+" from a combobox.
Adjustment by Using Adjustment Program

5.2.2 Head angular adjustment

Two patterns are printed as shown below.
 Band pattern
The following pattern is printed. The lines below "0 >> 80" are printed while the
carriage moves from the home to the other side, and lines below "80 >> 0" are printed
while the carriage returns to the home.
For 1 to 80 column
2 -16
4 -14
6 -12
Figure 5-2. Head Angular Adjustment (Band) Pattern
How to Judge
Examine the printout patterns and enter the value (-16 to 16) for the most straight lines.
Additional information
When "16" or "-16" is the most straight lines, it indicates that the printhead is not
installed correctly. Reassemble the printhead and carry out this adjustment again.
Example for judgement
C H E C K
P O I N T
Revision C
For 80 to 1 column
NG OK
Confidential
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