Printhead Slant Adjustment (Pf) - Epson Stylus Pro 7700 Service Manual
Large format color inkjet printer
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- Service manual (440 pages) ,
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Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908
5.4.5 Printhead Slant Adjustment (PF)
This allows you to adjust the Printhead angle in the PF direction.
PAPER USED
Size:
16 inches or more
Type:
Premium Glossy Photo Paper (250)
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.
Check the visual check blocks in the adjustment pattern.
Check the pattern if the margin between the blocks become parallel. If they are in
parallel, finish the adjustment. If not, follow steps below to carry out the
adjustment.
Visual Check Blocks
Figure 5-34. Adjustment Pattern
ADJUSTMENT
] + [Paper Feed
] + [OK]
→
PF Head
Slant.
is displayed.
Paper feed direction
CR scan direction
NOTE: The pattern is for Epson Stylus Pro 7900/7910/9900/9910/WT7900/
WT7910. The one for Epson Stylus Pro 7700/7710/7700M/7710M/9700/
9710, Epson Stylus Pro 9890/9908/7890/7908 differs in color.
Head Related Adjustments
A
C
A = B
C = D
B
D
A
C
A = B
C = D
NOTE * : It does not matter if
B
D
A
C
A ≠ B
C ≠ D
B
D
A
C
A ≠ B
C ≠ D
B
D
Figure 5-35. Judgment
Revision I
OK
OK
the gap widths (the
width of A-B and that
of C-D) differ.
NG
NG
381
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