Pf Adjustment - Epson L1800 Service Manual

L1800

4.2.5 PF adjustment

 PF- for standard print area
The following pattern is printed.
1
-1
-3
-5
Figure 4-5. PF (standard print area) Adjustment Printout Pattern
How to Judge
Examine the printout patterns, and enter the value for the pattern with no overlap and
gap between the upper and lower ones.
Example for judgement
C H E C K
P O I N T
NG
Adjustment
0
-2
-4
OK NG
Adjustment Using Adjustment Program
 PF- for bottom margin area
The following pattern is printed.
How to Judge
Examine the printout patterns, and enter the value for the pattern with no overlap and
gap between the upper and lower ones.
Upper pattern
1 2 3
Lower pattern
Figure 4-6. PF (bottom margin area) Adjustment Printout Pattern
Additional information
When overlap and gap are observed in the all patterns, enter the value for the best one,
and print the adjustment pattern again.
Example for judgement
C H E C K
P O I N T
Overlap
NG
Revision A
4 5 6 7 8
Gap
OK NG
Confidential
121