Advanced Adjustment; Auto Bi-D Adjustment - Epson Stylus Pro 7400 Service Manual

EPSON Stylus Pro 7400/7800/9400/9800

5.4 Advanced Adjustment

5.4.1 Auto Bi-D Adjustment

An automatic Bi-D adjustment by the Ink Mark Sensor can be made using this menu.
After printing the adjustment pattern, the subsequent adjustment procedures (scanning
the pattern and correction) are performed automatically.
The pattern is printed with the platen gap set to 0.8 and 1.6.
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 [Auto Bi-D Adjustment].
3. Click the [Run] button to print the adjustment pattern.
4. When the pattern is printed, the printer automatically starts to scan the pattern
and performs the corrections. (No manual adjustment is required.)
5. Click the [Finish] button.
Figure 5-86. [Auto Bi-D Adjustment] Screen
Adjustment
VSD1
VSD2
VSD3
[VSD1] [PG=0.8] [Average] VSD1 = 21 Rough = 0
Fine = E : -1 [ 0, -1,---] D : 0 [ 1, -1,---] G : 0 [ 1, -1,---] F : 1 [ 1, -1,---] A : 1 [ 3, -1,---] H : 0 [ 1, -1,---] C : 1 [ 1,
-]
[VSD2] [PG=0.8] [Average] VSD2 = 13 Rough = 0
Fine = E : 1 [ 1, 1,---] D : 0 [ 1, -1,---] G : 2 [ 2, -1,---] F : 1 [ 1, -1,---] A : 0 [ 1, -1,---] H : 0 [ 1, -1,---] C : 1 [ 1,
-]
[VSD3] [PG=0.8] [Average] VSD2 = 14 Rough = 0
Fine = E : 1 [ 1, 1,---] D : 1 [ 1, -1,---] G : 2 [ 2, -1,---] F : 1 [ 1, -1,---] A : 1 [ 1, -1,---] H : 1 [ 1, 1,---] C : 2 [ 1,
-]
Advanced Adjustment
Figure 5-87. Adjustment Pattern
Revision B
E column
D column
G column
F column
A column
H column
C column
B column
1,---] B : 2 [ 4, 0,--
1,---] B : 4 [ 3, 4,--
2,---] B : 5 [ 4, 6,--
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