Epson Stylus Pro 7600 Photographic Dye Ink, Service Manual

Page: 254 / 322

EPSON Stylus Pro 7600/9600 Revision A
Adjustment Self-diagnostic Function 254
PROCEDURE FOR HEAD GAP ADJUSTMENT (UNI-D ADJUSTMENT)
1. Start the Self-diagnostic Function:
Power OFF
→ [Paper Feed
∆
]
+
[Paper Feed
∇
] + [Cut/Eject]
→
Power ON
2. Display “Adj: Uni-D”:
[Paper Feed
∇
]
→
[SelecType >]
→
[Paper Feed
∇
] x11
3. Print the pattern.
[SelecType >]
→
[Enter
↵
] when “[Enter] Adjust Print” is displayed
(See Figure 5-55)
4. Check the pattern:
Make certain that the black lines and color lines are not out of alignment.
When they are not out of alignment, leave the head gap adjustment mode by pressing
[SelecType >] two times. If they are out of alignment, follow the instructions given
below:
†
If out of alignment
1.
Select the gap item in question:
Select “Gap 240,V1”, “Gap 240,V2” or “Gap 190,V4” by means of
[Paper Feed
∇
] and enter the adjustment menu for the selected item by pressing
[SelecType >] .
2.
Adjust the color position in question:
Select the relevant color by means of
[SelecType >] , and in consideration of
the printed pattern, input the compensation value on the panel.
Shift direction (black line as reference):
(Compensation setting: in increments of 1/2880 inch)
Shift to the right = Input a (+) value
Shift to the left = Input a (-) value
3.
Check again:
Check the pattern output again, and when the lines are in alignment, leave the
head gap adjustment mode by pressing
[SelecType >] two times. If the lines are
out of alignment, repeat inputting a value.
Figure 5-55. Print Pattern (Head Gap Adjustment)
C H E C K
P O I N T
Even when you have left the head gap adjustment menu, you can
display the menu for an relevant item by means of [SelecType >].
Therefore, there is no need of outputting the comprehensive
patterns again.
Enlarged View
Black line
Color line
(+ side§) Color line
(– side)