Epson Stylus Pro 7400, Service Manual

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EPSON Stylus Pro 7400/7800/9400/9800 Revision B
Adjustment Advanced Adjustment 358
5.4.2 Manual Bi-D Adjustment
This menu allows you to perform a Bi-D adjustment by visually checking the print
alignment.
†
Paper Used
„
Size: 24” (Stylus Pro 7400/7800)
44” (Stylus Pro 9400/9800)
„
Type: Doubleweight Matte Paper
†
Procedure
1. Turn the printer ON.
2. Start up the Adjustment Program and select [Manual Bi-D Adjustment].
3. Select the platen gap setting (
).
4. Click the [Next] button ( ).
5. Click the [Print] button to print the Bi-D adjustment pattern for Photo or
Matte black ( ).
(The pattern is printed in VSD1, VSD2, and VSD3 modes, so three patterns
are printed at a time.)
6. Examine the printout pattern, and select the value for the most sharpest and
straight line from the left and right pattern blocks respectively. Then calculate
the average of the selected two values. Perform this operation for each of the
three mode patterns. Enter the obtained value for each of the three modes into
the corresponding edit box (
).
7. Click the [Write] button ( ) to write the input values. When the writing is
completed, click the [OK] button ( ).
8. Click the [Next] button ( ).
Figure 5-88. [Manual Bi-D Adjustment] Screen (1)
Figure 5-89. Adjustment Patterns (Photo or Matte Black)
C H E C K
P O I N T
The printed pattern is changed 2 steps, but you can input in 1-step
unit.
1
2
3
4
PK/MK = 8 (0)
# 1 [ Bi-D VSD 1 PG=1.2 ] (Step = 2)
PK/MK = 6 (0)
Most sharpest and straight line
10 4
Enter “7” into the edit box
5
6
7
1
2
6
4
5
7
3
PK/MK = 8 (0)
# 1 [ Bi-D VSD 1 PG=1.2 ] (Step = 2)
PK/MK = 8 (0)
PK/MK = 8 (0)
# 1 [ Bi-D VSD 1 PG=1.2 ] (Step = 2)
PK/MK = 8 (0)
PK/MK = 8 (0)
# 2 [ Bi-D VSD 1 PG=1.2 ] (Step = 2)
PK/MK = 6 (0)
PK/MK = 8 (0)
# 3 [ Bi-D VSD 1 PG=1.2 ] (Step = 2)
PK/MK = 8 (0)
Print mode Indicates the value for the center line
Center Line
(-) direction (+) direction ← →
VSD1
VSD2
VSD3