Epson R1800 - Stylus Photo Color Inkjet Printer, Service Manual

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EPSON Stylus Photo R1800/R2400 Revision B
Adjustment Adjustment Items and Overview 129
5.1 Adjustment Items and Overview
This chapter describes adjustments to be made after the disassembly/
reassembly of this product.
5.1.1 Servicing Adjustment Item List
The items, purposes and outlines of the Adjustment Program are given in the following table.
Table 5-1. Adjustment Items
Adjustment Purpose Method Outline
PF Belt Tension
Adjustment This adjustment is made to reduce the load on the PF
motor and to ensure paper feed accuracy. See Section 5.2.1 on page 137.
PF Roller Shaft Center
Support Position
Adjustment This adjustment is made to compensate the deflection
amount on the PF Roller Shaft and to maintain the
appropriate paper feed amount. See Section 5.2.3 on page 143.
PG Adjustment This adjustment is made to ensure the correct distance
between the head surface and the Front Paper Guide, and
to adjust the parallelism between the 0 digit side and the
130 digit side to ensure consistent print quality. See Section 5.2.2 on page 139.
Main Board Data
Read/Write Function The purpose of this function is to read required information
from EEPROM on a defective Main Board using the D4
function and to reduce the number of ancillary adjustment
items when the board is replaced. 1. Select this function in the Adjustment Program.
2. Read data from the defective Main Board.
3. After replacing the Main Board, write the data to the new board.
Market & Initial
Settings After replacing the Main Board, information common to
Main Boards is written by market setting. 1. Select and execute this function in the Adjustment Program.
2. Write the market-by-market settings and initial settings to the EEPROM.
„
Market-by-market settings
„
Market ID
„
CSIC Printer ID
USB ID Input A USB ID is given to each printer to identify a specific
printer when using multiple printers of same model. 1. Select this function in the Adjustment Program and enter the serial number of the
printer.
2. The correction value is saved to the specific EEPROM address of the Main Board.
IEEE1394 ID Input When multiple printers of the same model are connected
to the PC in a daisy chain, etc., this adjustment is made to
allow the PC to recognize the connected printers
individually. 1. Read the 10-digit unique ID from the label applied to the rear of the Board Unit.
2. Enter the ID in the Adjustment Program to store it in the EEPROM.