Epson 890N Service Manual - Page 53

Overview, Specified Tools, Procedure for Troubleshooting, EPSON FX-890/2190, Revision B - fx 890 user manual

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EPSON FX-890/2190 Revision B 3.1 Overview The printer may exhibit different symptoms for the same problem, which makes troubleshooting more difficult. This section, however, provides simple and effective ways to facilitate troubleshooting. In addition, the User's Manual for EPSON EPSON FX-890/2190 describes detailed steps to be taken for recovery from typical errors. W A R N IN G „ When you disassemble the printer, pull the power cable and the interface cable out of the plug socket beforehand. „ When you touch any surface which can become hot, take care not to suffer a burn. C A U T IO N „ Use only specified tools to avoid impairing the quality of the printer. „ Use only specified lubricants and adhesives. „ Carry out the adjustment by following the specified procedure. „ Wear a wrist strap to discharge static electricity from the human body, whenever possible. 3.1.1 Specified Tools This printer does not require any specified tools for troubleshooting. 3.1.2 Procedure for Troubleshooting Perform troubleshooting work according to the flowchart shown at right. C A U T IO N Before starting disassembly and assembly work, read and understand thoroughly the contents of 3.1.3 "Preliminary Checks (p.54)" . START 3.1.3 Preliminary Checks (p.54) 3.2 Troubleshooting Based on Symptoms (p.55) Broken line arrow: Refer to depending on the result of diagnosis 3.3 Troubleshooting for Individual Units (p.64) Adjustment (p.93) and Maintenance (p.98) Figure 3-1. Troubleshooting Process Flowchart Troubleshooting Overview 53

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EPSON FX-890/2190
Revision B
Troubleshooting
Overview
53
3.1
Overview
The printer may exhibit different symptoms for the same problem, which makes
troubleshooting more difficult. This section, however, provides simple and effective
ways to facilitate troubleshooting.
In addition, the User's Manual for EPSON EPSON FX-890/2190 describes detailed
steps to be taken for recovery from typical errors.
3.1.1
Specified Tools
This printer does not require any specified tools for troubleshooting.
3.1.2
Procedure for Troubleshooting
Perform troubleshooting work according to the flowchart shown at right.
Figure 3-1.
Troubleshooting Process Flowchart
W
A
R
N
I
N
G
When you disassemble the printer, pull the power cable and the
interface cable out of the plug socket beforehand.
When you touch any surface which can become hot, take care
not to suffer a burn.
C
A
U
T
I
O
N
Use only specified tools to avoid impairing the quality of the
printer.
Use only specified lubricants and adhesives.
Carry out the adjustment by following the specified procedure.
Wear a wrist strap to discharge static electricity from the
human body, whenever possible.
C
A
U
T
I
O
N
Before starting disassembly and assembly work, read and
understand thoroughly the contents of
3.1.3 “Preliminary Checks
(p.54)”
.
Broken line arrow:
Refer to depending on the
result of diagnosis
START
3.1.3 Preliminary Checks
(p.54)
3.3 Troubleshooting for Individual Units
(p.64)
Adjustment
(p.93)
and
Maintenance
(p.98)
3.2 Troubleshooting Based on Symptoms
(p.55)