Epson PX650 Series, Service Manual

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Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635 Revision C
ADJUSTMENT Banding Reduction System (BRS) Adjustment/Paper Feed Amount Profile (PFP) Correction 124
Confidential
5.4.2 Adjustment Procedure
5.4.2.1 BRS (Banding Reduction System) Adjustment

Printing the BRS Adjustment Pattern
1. Load A4 size Matte Paper-Heavyweight on the paper support.
2. Select [BRS Adjustment] in the adjustment program.
3. Click the [Print] button on the “1. Print Test Pattern” column to print the
adjustment pattern.
4. Let the printed pattern dry for more than 5 minutes if using CIS sensor type
scanner.
Figure 5-13. BRS Test Pattern

Scanning the BRS Adjustment Pattern
5. Set the printed pattern and the PFP Base Scale on the document table and click the
[Scan] button on the “3. Scan Test Pattern” column.
6. According to the scanned result, BRS calibration values are automatically
calculated and are written to the serial flash ROM. If an error occurs, check that
the document table glass and the scale is clean, and the scale/adjustment pattern is
not tilted, then repeat from step 5.
Figure 5-14. PFP Base Scale and BRS Adjustment Pattern Position
(Viewed from the document glass of the scanner)
C H E C K
P O I N T

In the Adjustment program, the identification code is used to
distinguish whether the printer that printed the pattern and the
printer to register the adjustment value is the same.

Make sure to let the printed pattern dry for more than 5
minutes if using CIS sensor type scanner. When using CCD
sensor type scanner, the printed pattern does not need to be
dried before scanning. Refer to
"Table 5-7. Specified Scanner
for BRS/PFP Adjustment" (p.122)
Printer Identification
Code
C A U T I O N
Be careful of the following when setting the PFP Base Scale, and
the adjustment pattern on the scanner.

Place the scale on the document glass aligning the scale corner
with the scanner origin position.

Place the pattern-printed sheet along the scale as shown in the
figure below. Make sure to place it parallel to the scale, with
no gaps.
BRS Adjustment
Pattern (A4)
Scanner Document
Table
PFP Base Scale
Scanner Origin
Position