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Epson Stylus Photo R310 Service Manual: Adjustment Items And Overview; Servicing Adjustment Item List

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EPSON Stylus Photo R300/R310

3.1 Adjustment Items and Overview

This chapter describes adjustments to be made after the disassembly/reassembly of this product.

3.1.1 Servicing Adjustment Item List

The adjustment items of this product are as follows. For details of the adjustment items, refer to the detailed procedures and sketches of the adjustment items.
Function Item
Market Setting
At the time of Main Board replacement, this adjustment is made
to write the board common information on a destination basis.
USB ID Input
This adjustment is made to allow the PC to recognize the
connected printers individually when multiple printers of the
same model are connected and used with the PC via a USB hub.
Head ID Input
At the time of Print Head replacement, this adjustment is made
to correct head manufacturing variations and eliminate the
individual differences of print quality.
Head Angular
This adjustment is made to correct the error in the Print Head
Adjustment
mounting position (angle of the Print Head to the paper surface)
to keep the nozzle intervals uniform in the CR main scanning
direction.
Bi-D Adjustment
This adjustment is made to correct the print timing in the go and
return paths in bi-directional printing.
(This printer carries out printing with PG (typ.) and PG (-))
PW Sensor
This adjustment is made to correct the mounting position of the
Adjustment
PW Sensor on a software basis to minimize the paper detection
error caused by the variations of the mounting position.
ADJUSTMENT
Table 3-1. Adjustment Items
Purpose
Select and execute this function in the exclusive servicing program to
save the following data into the EEPROM.
Market ID, CSIC Printer ID, D4 Setting (USB, Parallel), First Dot
Adjustment fixed value.
Select this function in the exclusive servicing program and enter the
serial numbers of the printers. The correction value is saved to the
specific EEPROM address on the Main Board.
Enter the ID of the Head QR code label applied to the Print Head into
the exclusive servicing program to save it to the EEPROM on the
Main Board. (Supplement: Read the QR code label from left to right
on the top row and from top to bottom in due order.)
Select this function in the exclusive servicing program and print the
adjustment pattern. Check the displacement amount of the pattern.
Print the exclusive pattern again and adjust the displacement amount.
Select this function in the exclusive servicing program and print the
adjustment patterns to check the displacement amounts of the patterns.
Select/enter the pattern number that has the smallest displacement
amount in the program. Print the exclusive patterns again and adjust
the displacement amount. The correction value is saved into the
EEPROM.
Select this function in the exclusive servicing program and print the
adjustment patterns. Select the pattern number 5mm away from each
edge, and enter that number in the program. The correction value is
saved to the specific EEPROM address on the Main Board.
Adjustment Items and Overview
Method Outline
Revision A
Tool
Used Media
Exclusive
Non-target
servicing
program
Exclusive
Non-target
servicing
program
Exclusive
Non-target
servicing
program
Exclusive
Photo
servicing
Quality Ink
program
Jet Paper
(A4)
Exclusive
Plain paper
servicing
(A4)
program
Exclusive
Photo Paper /
servicing
Glossy Photo
program
Paper (A4)
80

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