EPSON Stylus Pro 9000 Revision B
Troubleshooting Outline 57
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.
Troubleshooting using the error messages
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.
3.2 Troubleshooting Using the Error
Messages
The EPSON Stylus Pro 9000 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 58 or the General Error Message List table on page
58 to determine what and where the problem is, as well as where to look for
directions on fixing the problem.
Table 3-2 lists the printer errors that require service technicians to check
and troubleshoot, such as failed part replacement.
Table 3-3 lists the printer errors that users can check and troubleshoot by
themselves.
Table 3-1. Test Points for Electrical Components
Component Standard
CR Motor Armature resistance: 10.0 ohm
PF Motor Armature resistance: 2.3 ohm
SLID Motor Coil resistance: 17.5 ohm
PUMP Motor Coil resistance: 3.9 ohm
Cutter Solenoid Coil resistance: 58 ohm
CR Lock Solenoid Coil resistance: 58 ohm
See “Elec.” on page 135 for instructions on how to
access a list of the last seven fatal errors.
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