Auto Uni-D Adjustment - Epson Stylus Pro 7400 Service Manual

EPSON Stylus Pro 7400/7800/9400/9800

5.3.11 Auto Uni-D Adjustment

An automatic Uni-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 1.2. The correction values obtained using the pattern are reflected on
the other platen gap settings (the values are copied and stored for each platen gap
setting).
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 Uni-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 5-44. [Auto Uni-D Adjustment] Screen
Adjustment
VSD1
VSD2
VSD3
[VSD1] Fine = Lk : -3 M : 3 C : -3 LLk : -7 Y : -8 Lc : -2 Lm : -7
[VSD3] Fine = Lk : 0 M : 3 C : -3 LLk : -2 Y : -7 Lc : -2 Lm : -3
Basic Adjustment
[VSD2] Fine = Lk : 3 M : 2 C : -1 LLk : 2 Y : -3 Lc : 3 Lm : -2
[PG=1.2]
Figure 5-45. Adjustment Pattern
Revision B
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