Bi-D Adjustment - Epson L800 Service Manual

L800/L801
¸ Microweave Pattern
+3 +2
Figure 2-3. Head Angular Adjustment (Microweave) Pattern
How to Judge
Examine the printout +3 to -3 patterns and select the value for the group of
which the gaps between the 2 color bars are the smallest.
Additional information
If no appropriate pattern is found, reassemble/replace the Printhead.
Example for judgement
C H E C K
P O I N T
Adjustment
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+1 0 -1 -2
Gap
OK NG
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2.2.3 Bi-D Adjustment

The pattern shown below is printed for each of the 7 print modes.
-3
20 22
How to Judge
Find the pattern with no gaps or overleaps of the left and right pattern, and
enter the value of that pattern.
Additional information
If an appropriate pattern is not printed, enter the nearest value and then print the
patterns again.
Example for judgement
C H E C K
P O I N T
Using the Adjustment Program
25
24 26 28
27
Figure 2-4. Bi-D Adjustment Pattern
Overlap Gap
NG OK
Revision A
30 32
NG
78
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