Skew Check - Epson Stylus Pro 7700 Service Manual

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908

5.5.2 Skew Check

This allows you to check the skew level of the paper and confirm if the paper feed is
executed within the standard value.
PAPER USED
Size: 24 inches or more
Type:
Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/
9910/9890/9908/7890/7908: Doubleweight Matte Paper
Epson Stylus Pro WT7900/WT7910:
Premium Glossy Photo Paper (250)
STANDARD VALUE
A - B = ± 0.8 mm
PROCEDURE
1. Turn the printer ON in the Serviceman Mode.
Turn the power ON while pressing [Menu
simultaneously.
→
2. Select SELF TESTING Mecha Adjustment
3. Press [OK] while [Enter] Print
The adjustment pattern will be printed.
4. Measure the distances of A and B as shown in
5. Calculate differences of A and B, and check if the value is within the standard
value.
If the value is out of the specified range, load the paper again or
C A U T I O N
adjust the roll paper tension.
ADJUSTMENT
] + [Paper Feed ] + [OK]
→ →
Feed Adj Printing.
is displayed.
Figure 5-66.
Paper feeding direction
PF Related Adjustment
Figure 5-66. Adjustment Pattern
Revision I
A
B
406
Confidential