Adjustment Pattern For Platen Height; Adjustment Pattern For Cr Direction Head Slant - Epson Stylus Pro 4910 Service Manual

Epson Stylus Pro 4900/Epson Stylus Pro 4910
5. Check the print quality test pattern 2
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).
OK
Figure 4-12. Adjustment pattern for CR direction head slant
ADJUSTMENT
.
(See Figure 4-11)
Adjustment pattern for
CR direction head slant
Adjustment pattern for
PF direction head slant
Adjustment pattern
for platen height
Adjustment pattern
for head slant
NG
Image & Test Print
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
339).
OK
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.
OK
1 2
1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11
Same pattern
Figure 4-14. Adjustment pattern for platen height
Revision A
(P.
NG
3 4
1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11
Same pattern
310
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