Epson R260 Service Manual - Page 117

Adjustment by Using Adjustment Program, 5.2.1 Top Margin Adjustment, 5.2.2 Head angular adjustment

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EPSON Stylus Photo R260/R265/R270, R360/R380/R390 Revision B 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. 5.2.2 Head angular adjustment Two patterns are printed as shown below. † Band pattern Pattern shown below is printed for both 0 to 80 column and 80 to 0 column printing direction. Sample of Head Angular band pattern : [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. Figure 5-1. Top Margin Adjustment Printing Pattern [Judgement method] Measure the distance from Paper top edge to the adjustment line, and enter any one of the "-", "0", "+" according to the judging standard. -10 -8 -6 -4 -2 0 2 4 6 8 10 Figure 5-2. Head angular adjustment Pattern Printing (1) [Judgment method] Find the pattern with least vertical displacement between -10 and 10, and enter the value of that pattern. [Corrective action] If the "NG" on both ends are the ones with least vertical displacement, reassemble/ replace the Head, and carry out the adjustment again. CHECK P O IN T The diagram below shows the OK and NG patterns. Adjustment Adjustment by Using Adjustment Program NG OK 118

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EPSON Stylus Photo R260/R265/R270, R360/R380/R390
Revision B
Adjustment
Adjustment by Using Adjustment Program
118
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 Printing Pattern
[Judgement method]
Measure the distance from Paper top edge to the adjustment line, and enter any one of
the “-”, “0”, “+” according to the judging standard.
5.2.2
Head angular adjustment
Two patterns are printed as shown below.
Band pattern
Pattern shown below is printed for both 0 to 80 column and 80 to 0 column printing
direction.
Figure 5-2.
Head angular adjustment Pattern Printing (1)
[Judgment method]
Find the pattern with least vertical displacement between -10 and 10, and enter the
value of that pattern.
[Corrective action]
If the “NG” on both ends are the ones with least vertical displacement, reassemble/
replace the Head, and carry out the adjustment again.
[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.
C
H
E
C
K
P
O
I
N
T
The diagram below shows the OK and NG patterns.
-8
-10
-6
-4
-2
0
2
4
6
8
1
0
Sample of Head Angular band pattern :
NG
OK