Epson Stylus PhotoR280 Service Manual page 111

EPSON Stylus Photo R280/R285/R290
Printing the PFP Check Pattern
6. Set 4 x 6 Premium Glossy Photo Paper on the paper support and click the [Print]
Button on the "4. Print Check Pattern" column.
Figure 5-17. PFP Check Pattern
Chapter 5 Adjustment 5.3 Banding Reduction System (BRS) Adjustment / Paper Feed Amount Profile (PFP) Correction
Judging the Check Pattern
7. Referring to
check patterns. If any bands are found, carry out the steps below.
1.
Re-print the check pattern to see if the bands appear again.
2.
When bands appear in Step 1, try the PFP adjustment again from the
beginning.
3.
When bands appear even after the re- adjustment in step 2, determine that it is
the mechanism failure and carry out check/reassemble of the parts that was
removed/replaced.
Normal Area Check
Pattern
Normal Area Check
Bottom Edge Area
Check Pattern
Fig. 5-18 check that there is no white or overlapped bands in all the
Pattern
OK
no bands
NG
white band
NG
overlapped band
Figure 5-18. PFP Check Pattern Judging Standard
Revision B
Bottom Edge Area
Check Pattern
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