Service manual

Epson Stylus NX100/105/SX100/105/TX100/101/102/103/105/106/109/ME 300/ME OFFICE 360/NX110/115/SX110/115/TX110/111/112/113/115/117/119 Revision C
ADJUSTMENT Adjustment Items and Overview 111
Confidential
5.1 Adjustment Items and Overview
This chapter describes adjustments required after the disassembly/reassembly of the
printer.
5.1.1 Servicing Adjustment Item List
The adjustment items of this product are as follows.
C H E C K
P O I N T
For information on how to carry out the adjustments and media
required for the adjustments, see the instructions displayed by the
Adjustment Program.
Table 5-1. Adjustment Items
Adjustment Item Purpose Method Outline Tool
EEPROM data copy
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
completed successfully, all the other adjustments required after replacing the
main board are no longer be necessary.
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.
• Adjustment Program
Initial setting
This must be carried out after replacing the main board to apply settings for
the target market.
Enter the product serial number of the printer to perform the function,
and the EEPROM on the main board is initialized in accordance with
the destination.
• Adjustment Program
Head ID input
This must be carried out after replacing the Printhead in order to enter the
new Printhead ID (Head ID) that reduces variation between Printheads.
Enter the ID (11-digit) printed on the Head QR code label attached on
the Printhead. The correction values are automatically written to the
main board.
• Adjustment Program
TOP margin
adjustment
This corrects top margin of printout. A top margin adjustment pattern is printed. Examine the lines printed
near the top edge of the printout, and enter the value for the line that
is exactly 3 mm away from the top edge.
• Adjustment Program
Head angular
adjustment
This must be carried out after replacing the Printhead in order to correct tilt
of the Printhead by software.
A head angular adjustment pattern is printed. Examine the printed
lines and enter the value for the most straight lines.
• Adjustment Program
Bi-D adjustment
This corrects print start timing in bi-directional printing to improve the print
quality.
A Bi-D adjustment pattern is printed. the pattern are printed for each of
the four dot sizes. So, there are four groups. Examine the patterns and
enter the value for the pattern without any gap or overlap for each
mode.
• Adjustment Program
PF band adjustment
This corrects variations in paper feed accuracy to achieve higher print
quality.
A PF adjustment pattern is printed. Examine the printout patterns and
enter the value for the best pattern to register the correction value to
the printer.
• Adjustment Program