Pf Adjustment - Epson L800 Service Manual

L800/L801

2.2.5 PF Adjustment

PF- for standard print area
Patterns are printed as shown below.
5
3
1
-1
-3
-5
Figure 2-6. PF (standard print area) Adjustment Pattern
How to Judge
Enter the value for the group that has no gap or overlap between the upper and
the lower patterns.
Example for judgement
C H E C K
P O I N T
NG
Adjustment
4
2
0
-2
-4
OK
NG
Using the Adjustment Program
PF- for bottom margin area
Patterns are printed as shown below.
-3 -2
Upper block
Lower block
Figure 2-7. PF Adjustment (bottom margin area) Pattern
How to Judge
Enter the value for the one that has no gap or overlap between the upper block
and the lower block.
Example: In the above figure, "0" should be selected.
Additional information
In case that all patterns have gap or overlap, select the value for the pattern
which has the least gap or overlap, and print the pattern again.
Example for judgement
C H E C K
P O I N T
Overlap
NG
Revision A
-1 0 1 2
Gap
OK NG
Confidential
3
80