Outline; Test Points - Epson Stylus Pro 9500 Service Manual

EPSON Stylus Pro 9500

3.1 Outline

This section describes how to diagnose printer errors as well as how to resolve
them. Troubleshooting is divided into the following categories.
o
Troubleshooting using the error messages
o
Troubleshooting based on printout
In addition to the above troubleshooting points, this section covers check
points as well.

3.1.1 Test Points

The following table lists the test points for electrical components.
Table 3-1. Test Points for Electrical Components
Component
CR Motor
PF Motor
SLID Motor
PUMP Motor
Cutter Solenoid
CR Lock Solenoid
Troubleshooting
Standard
Armature resistance: 10.0 ohm
Armature resistance: 2.3 ohm
Coil resistance: 17.5 ohm
Coil resistance: 3.9 ohm
Coil resistance: 58 ohm
Coil resistance: 58 ohm
3.1.2 Troubleshooting Using the Error Messages
The EPSON Stylus Pro 9500 performs self-diagnostic tests using the data
supplied by its various sensors, and if an error is detected by one or more
sensors, a corresponding error message appears on the control panel display.
No matter what kind of error occurs, use the Error Message List for Service
Technicians table on page 70 or the General Error Message List table on page
71 to determine what and where the problem is, as well as where to look for
directions on fixing the problem.
o
Errors that Require a Service Man
This shows an error state in which it is necessary for a service man to carry
out treatment accompanying checking and replacement of the relevant
parts.
o
General Error
This shows an error state where the user himself can check and carry out
the needed treatment.
Table 3-2. Error Message List for Service Technicians
Error Code
MAINTENA
NCE REQ.
0100
nn
Outline
Description
Waste Ink pads is almost full (less than 1%
remaining)
Revision A
Refer to
page 72
70