Special Adjustment Tools; Using The Adjustment Program; Setting Up Your Computer - Epson Stylus COLOR 900 Service Manual

EPSON Stylus COLOR 900/900N
Table 5-1. Required Adjustments (continued)
Type of repair Step Required adjustments
Waste Ink Pad 1 After replacing the waste ink pads, clear the waste ink
replacement counter as explained in
Counter"
CR motor 1 Perform the Bi-Directional Adjustment. See
Directional Adjustment"
replacement
Program ROM 1 Input a 22-digit printhead ID. See
*1
replacement on page 127.
2 Perform the Bi-Directional Adjustment. See
Directional Adjustment"
*1: You have to perform these adjustments only when you replace an older
PROM (version TEE01A, 01B, or 01C) with a new one (TEE01D or
later).

5.1.1 Special Adjustment Tools

The table below shows the adjustment tools you need for servicing the
EPSON Stylus COLOR 900/900N.
Tool Type of Adjustment
Thickness gauge Platen Gap (Parallelism)
Adjustment
• Initial Ink Charge
Adjustment Program
• Printhead ID
• Printhead Angle
Adjustment
• Bi-d Adjustment
• Clearing Waste Ink
Counter Value
"Clearing the Waste Ink
on page 148.
"Bi-
on page 138.
"Printhead ID Input"
"Bi-
on page 138.
Specifications
1.14 mm thick, 5 cm long;
EPSON-available only
SC900.EXE;
EPSON-available only

5.2 Using the Adjustment Program

The adjustment program lets you perform the following adjustments and
service-related functions:
T
To input the printhead ID, see
T
To make the printhead angle adjustment, see
T
To make the bi-directional adjustment, see
T
To clean the printhead, see
T
To reset the Initial Ink Charge Flag, see
T
To check or clear the waste ink counter, see
148.
T
To perform a fan check, see
Before running the adjustment program, make sure the computer you're
using is set up properly. See

"Setting Up Your Computer"

Then start the program as described in
Program" on page 122.
5.2.1 Setting Up Your Computer
For the adjustment program to work properly, you have to set up your
computer as described below. Reboot the PC after making any changes
to enable the new settings.
Y
Use MS-DOS version 6.2 or higher.
Y
Use only LPT1 as the printer port.
Chapter 5 Adjustments
page 127.
page 130.
page 138.
page 143.
page 145.
page 146 or
page 149.
below.
"Starting the Adjustment
page
121