Epson Artisan 810 Service Manual page 207

Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
Adjustment Item
This adjustment is made to correct the mounting position of the PW
PW adjustment Sensor on a software basis to adjust the detection position and
Nozzle position dispersion.
This must be carried out after replacing the Printhead in order to
Head angular adjustment
correct tilt of the Printhead.
AID inspection (Artisan 810/ To check if the AID function operates normally.
710/PX810FW/TX810FW/
PX710W/TX710W only)
To correct print start timing in bi-directional printing to improve
Bi-D adjustment the print quality.
Initialize The PF deterioration offset counter is reset.
PF
deterioration
Max value The maximum PF deterioration offset counter is entered.
offset
writing
CR motor heat protection This is used to correct variations of motors characteristics.
control
PF motor heat protection
control
This corrects errors in paper feed caused by variation of
PF adjustment mechanisms and media characteristics.
This adjustment is made to ensure both high print quality (less
banding) and high print speed in the target print mode by carrying
out 1-path printing correcting ink drop amount for each raster
BRS adjustment mode.
This adjustment is made to ensure both high print quality and high
print speed in the target print mode by measuring the paper feed
errors at various points and calculating a correction value for each
PFP adjustment of the points.
ADJUSTMENT
Table 5-1. Adjustment Items
Purpose
Adjustment Items and Overview
Method Outline
A PW adjustment pattern is printed. Examine the printout and
enter a value for a line exactly 5mm away from the paper edge
for each on the four sides.
A head angular adjustment pattern is printed. Examine the
printed lines and enter the value for the most straight lines.
See "5.2.9 AID inspection" (p.223) for information on how to
check.
A bi-d adjustment pattern is printed. Examine the printout and
enter a value for one of the patterns with the least black or white
line.
Reset the PF deterioration offset counter.
Enter the maximum PF deterioration offset counter (10,000).
Select the part(s) you replaced on the Adjustment Program. The
program will automatically enter a proper correction value onto
the printer.
A PF adjustment pattern is printed. Examine the printout patterns
and select the value for the best pattern. The correction value is
registered.
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. For more details, see
Reduction System (BRS) Adjustment / Paper Feed Amount
Profile (PFP) Correction" (p.224).
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. For more details, see
Reduction System (BRS) Adjustment / Paper Feed Amount
Profile (PFP) Correction" (p.224).
Revision G
Tool
• Adjustment Program
• Ruler
• Adjustment Program
• Adjustment Program
• Adjustment Program
• Adjustment Program
• Adjustment Program
• Adjustment Program
• Adjustment Program
• Adjustment Program
• Specified Scanner
• PFP base scale
"5.2.10 Banding
• Adjustment Program
• Specified Scanner
• PFP base scale
"5.2.10 Banding
207
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