Epson PX650 Series, Service Manual

Page: 118 / 166

Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635 Revision C
ADJUSTMENT Adjustment by Using Adjustment Program 118
Confidential
5.2.4 PW Adjustment/First Dot Position Adjustment
Patterns are printed as shown below.
Figure 5-5. PW/First Dot Position Adjustment Pattern

PW adjustment
How to Judge
Enter the value for the line that is exactly 5 mm away from the paper edge for each of
the left, right, top and bottom.
Example: In the left figure, enter “0” (top), “0” (right), “5” (bottom) and “-3” (left).

First dot position adjustment
How to Judge
Enter the value for the point where the PW adjustment pattern line and the First dot
position adjustment pattern line overlap on the left of the paper.
Example: In the left figure, enter “2” since the lines overlap at “2” position.
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
-5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
-5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
5 mm
Area where A and B overlap
A: PW adjustment pattern line (left)
B: First dot position adjustment pattern line