Epson Stylus Pro 7400, Service Manual

Page: 322 / 428

EPSON Stylus Pro 7400/7800/9400/9800 Revision B
Adjustment Basic Adjustment 322
5.3.8 Print Head Slant Adjustment (PF)
†
Paper Used
„
Size: 24” (Stylus Pro 7400/7800)
44” (Stylus Pro 9400/9800)
„
Type: Premium Glossy Photo Paper
†
Procedure
1. Turn the printer ON.
2. Start up the Adjustment Program and select [Print Head Slant Adjustment
(PF)].
3. Click the [Print] button to print the adjustment pattern.
Figure 5-33. [Print Head Slant Adjustment (PF)] Screen (1)
4. Examine the printout block patterns. In each block pattern, check the point
where the vertical and horizontal white lines (gaps between the adjacent
blocks) cross each other.
5. Measure the width of the vertical white line at the cross point with a calibrated
magnifying glass.
z
A=B (Pattern 2):
Click the [Next] and click the [Finish] on the next screen to finish the
adjustment.
z
A>B, or A<B (Pattern 1, 3):
Click the [Next] and start adjustment on the next screen.
→
Step 6
Figure 5-34. Adjustment Pattern
Paper Feed Direction
Paper Ejecting
Direction
Paper
NG
OK
NG
Pattern 1 (A>B)
Pattern 2 (A=B)
Pattern 1 (A<B)
A
B
A
B
A
B