Epson Stylus Pro 4900/Epson Stylus Pro 4910 Revision A
ADJUSTMENT Image & Test Print 310
Confidential
5. Check the print quality test pattern 2 (See Figure 4-11).
Figure 4-11. Print quality test pattern 2
Adjustment pattern for CR direction head slant
Check the pattern if the lines of magenta and cyan are not overlapping
each other. If they are in line, execute CR Direction Head Slant
Adjustment (P. 336).
Figure 4-12. Adjustment pattern for CR direction head slant
Adjustment pattern for PF direction head slant
Check the pattern if the margin between the blocks become parallel. If
they are not in parallel, execute PF Direction Head Slant Adjustment (P.
339).
Figure 4-13. Adjustment pattern for PF direction head slant
Adjustment pattern for platen height
Check the pattern if the patterns 1 and 2, and 3 and 4 are the same in pairs.
If they are not the same, exchange the printer since the adjustment is not
available in the field service.
Figure 4-14. Adjustment pattern for platen height
Adjustment pattern for
CR direction head slant
Adjustment pattern for
PF direction head slant
Adjustment pattern
for platen height
Adjustment pattern
for head slant
OK NG
OK
NG
1111098765432 1111098765432 1111098765432 1111098765432
Same patternSame pattern
1 2 3 4
OK