Epson Artisan 700 Service Manual page 191

Epson Artisan 700/Epson Stylus Photo PX700W/TX700W
Adjustment Item
When the main board needs to be replaced, use this to copy adjustment
values stored on the old main board to the new board. If this copy is
EEPROM Data Copy
completed successfully, all the other adjustments required after replacing
the main board are no longer be necessary.
This must be carried out after replacing the main board to apply settings for
the target market, etc. Perform MAC address Setting if necessary.
Initial setting
To compensate individual variability of the mechanism, write the PG offset
PG offset value adjustment
values into EEPROM calculated from the result of PG Adjustment.
To check if the access to memory cards is correctly performed.
Memory card check
This must be carried out after replacing the Printhead in order to
enter the new Printhead ID (Head ID) that reduces variation
Head ID input between Printheads.
This corrects timing of printing in the paper feeding direction.
Top margin adjustment
This corrects left margin of printout. The print start position in the
First dot position adjustment carriage moving direction is corrected by software.
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.
To check if the AID function operates normally.
AID inspection
To correct print start timing in bi-directional printing to improve
Bi-D adjustment the print quality.
ADJUSTMENT
Table 5-1. Adjustment Items
Purpose
Readout the EEPROM data from the main board before
removing it. Then replace the board with a new one, and load the
EEPROM data to the new board.
Enter the product serial number of the printer using the
adjustment program, and write the initial setting information onto
the Main Board. For the procedure of MAC address setting, see
5.2.6 "MAC Address Setting (p223)
For the adjustment method, see
Adjustment (p225)
Save some images in a CF card, and insert it into the slot to see if
it can be correctly read.
Enter the 33-digit head ID written on the QR code label on the
Printhead. (Read the QR code label from the top left to the
bottom right.)
The Characters that can be entered as head ID are as follows.
ABCDEFGHJKLMNPQRSTUVWXYZ0123456789%*+-$:
A top margin adjustment pattern is printed. Examine the printout
and carry out the adjustment so that the distance between the
paper edges and the printed line falls within 3 +/- 1mm.
A first dot adjustment pattern is printed. Examine the lines
printed near the left edge of the printout and enter the value for
the line that is exactly 5 mm away from the left edge.
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
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.
Adjustment Items and Overview
Method Outline
".
5.2.7 "PG Offset Value
".
5.2.9 "AID inspection (p229) " for information on how to
Revision C
Tool
• Adjustment Program
• Adjustment Program
• Adjustment Program
• CF card
• Some image files
• Adjustment Program
• Adjustment Program
• Ruler
• Adjustment Program
• Ruler
• Adjustment Program
• Ruler
• Adjustment Program
• Adjustment Program
• Adjustment Program
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