Epson Stylus Pro 7600 Service Manual page 249

EPSON Stylus Pro 7600/9600
BI-D ADJUSTMENT PROCEDURE
1. Start the Self-diagnostic Function:
[Paper Feed ∆] [Paper Feed ∇
Power OFF →
+
2. Display "Adj: Bi-d":
[Paper Feed ∇] → [SelecType >] → [Paper Feed ∇] x9
3. Print the 240, V1 black line pattern:
Press [Enter ↵ ] when "240V1 K PRN" is displayed.
4. Check the test pattern (240, V1 K)
Check to see if the line by the first pass and the line by the second pass are not in
alignment.
When they are in alignment, proceed to the next step. If they are not in alignment,
make the adjustment by referring to the procedure described below.
5-49)
K (Black Line) Adjustment Procedure
1.
Display the value input screen "240V1 K:
After the test pattern has been output, press [SelecType >] one time when
"240V1 COL PRN" is displayed on the LCD.
2.
Input the value:
In consideration of the output pattern, input a value in the range of +99∼–99
and press [Enter ↵ ].
3.
Output the pattern again:
[SelecType >] → [SelecType >] → [Enter ↵ ]
4.
Check the pattern:
Check the output pattern and repeat the K (black line) adjustment until the line
by the first pass and the line by the second pass are in alignment.
Be sure to make adjustment for K first and then for other colors.
C H E C K
Each color pattern has been set based on K. Therefore, if the K
P O I N T
value is not correct, you can not make adjustments for color
patterns correctly.
Adjustment
]+[Cut/Eject] → Power ON
(See Figure 5-47)
(See Figure
xx":
Self-diagnostic Function
Figure 5-48. Bi-D Adjustment Patterns
Figure 5-49. Round Trip Print Position (Bi-D) Adjustment (Black)
Revision A
2nd pass 2nd pass
(– side) (+ side)
1st pass
Enlarged
249