Epson R310 service manual Servicing Adjustment Item List, Adjustment Items

EPSON Stylus Photo R300/R310 Revision A

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.

Table 3-1. Adjustment Items

Function Item

Purpose

Method Outline

Tool

Used Media

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

ADJUSTMENT Adjustment Items and Overview 80