Epson R380 - Stylus Photo Color Inkjet Printer, Service Manual

Page: 113 / 150

EPSON Stylus Photo R260/R265/R270, R360/R380/R390 Revision B
Adjustment Adjustment Items and Overview 114
Adj
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Bi-D adjustment This adjustment is made to correct the print
timing in the go and return paths in bi-
directional printing. Use the adjustment program to print out the adjustment pattern,
and enter the adjustment value of the printed pattern with no
black/white streaks in the block.
• Adjustment
Program
A4/Letter
(Plain paper)
First dot/PW adjustment † First dot adjustment
Correct the print timing by the software to make
the start printing position of the main scan
direction to the value you wish.
Use the adjustment program to print the adjustment pattern and
enter the adjustment value of printed position 5mm from the left
edge.
• Adjustment
Program
• Rule
A4/Letter
(Glossy paper)
† PW adjustment
This adjustment is made to correct the mounting
position of the PW Sensor on a software basis to
adjust the detection position and Nozzle position
dispersion.
Use the adjustment program to print out the adjustment pattern,
and for each of the 4 sides, enter the adjustment value of the
printed line that was 5mm from the paper edge.
PF adjustment This adjustment is made to correct the variations
of Mechanism, or the paper feeding accuracy. Use the adjustment program to print out the adjustment pattern,
evaluate the pattern based on the criteria, and register the
appropriate adjustment value to the printer.
• Adjustment
Program
A4/Letter
(Glossy paper)
BRS/PFP adjustment
This adjustment is made to ensure high print
quality at high print speed.
For more details, see
“2.3 Banding Reduction
System (BRS) / Paper Feed Amount Profile
Correction (PFP)
(p.30)
Print the adjustment pattern to be scanned by a specified scanner.
According to the scanned result, a correction value is
automatically calculated and stored into the serial flash ROM on
the main board.
The correction value is applied when printing in the
corresponding mode.
• Specified
Scanner
• PFP base
scale
A4
(Matte Paper-
Heavyweight)
4 x 6
(Premium Glossy
Photo Paper)
CR motor heat protection control When the Main Board and/or CR Motor is
replaced individually, write the maximum value
of the correction value to prevent motor damage
when the CR Motor generates heat. Select this function in the exclusive servicing program, and
check the replaced part among those indicated below.
†
CR Motor
†
Main Board
†
PF Scale
†
Printer Mechanism
According to the checked part, the program automatically makes
adjustment. The correction value is saved into the EEPROM.
• Adjustment
Program
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Table 5-1. Adjustment Items
Function Item Purpose Method Outline Tool Used Media