Pw Adjustment/First Dot Position Adjustment - Epson L800 Service Manual

L800/L801

2.2.4 PW Adjustment/First Dot Position Adjustment

Patterns are printed as shown below.
5 mm
-5 -4 -3 -2 -1 0 1
-8
-7
-6
-5
-4
-3
-2
-1
0
1
Area where A and B overlap
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A: PW adjustment pattern line (left)
B: First dot position adjustment pattern line
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Figure 2-5. PW/First Dot Position Adjustment Pattern
Adjustment
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¸ PW adjustment
How to Judge
Enter the value for the line that is exactly 5mm away from the paper edge for
each of the left, right, top and bottom.
-8
Example: In the left figure, enter "0" (top), "0" (right), "5" (bottom) and "-3"
-7
-6
(left).
-5
¸ First dot position adjustment
-4
-3
How to Judge
-2
-1
Enter the value for the point where the PW adjustment pattern line and the First
0
1
dot position adjustment pattern line overlap on the left of the paper.
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3
Example: In the left figure, enter "2" since the lines overlap at "2" position.
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-3 -4 -5
Using the Adjustment Program
Revision A
79
Confidential