Epson Stylus Pro 4400 Service Manual page 395

EPSON Stylus Pro 4400/4450/4800/4880/4880C
Pattern 1
Pattern 2
Pattern 3
Figure 5-32. Adjustment pattern
5. Open the top cover and move the "Carriage Unit" to the center of the
printer.
6. Loosen the four screws (A, B, C, and D) shown in
secure the head.
7. Move the "Cam, Inclination, R" vertically and adjust the slant of the
print head.
If the upper side of the gap is wider (Pattern 1):
Adjustment
Paper Feed
Direction
Figure 5-34
Lower the "Cam, Inclination, R".
If the bottom side of the gap is wider (Pattern 3):
8. Tighten the four screws that are loosened in
below.
A → B → C → D
Move the Carriage Unit to the home position and close the top cover.
9. Click [Back] to go back to the previous screen, and perform
3 through 8
Figure 5-33. Print Head Slant Adjustment (PF) Screen (2)
that
Basic Adjustment
Raise the "Cam, Inclination, R".
Procedure 6
repeatedly until the adjustment is completed.
Revision C
in the order
Procedure
395