Troubleshooting; Troubleshooting Abnormal Operations; Table 5-4. Symptoms And Problems - Epson Stylus 800 Service Manual

5.3 TROUBLESHOOTING

This section describes how to troubleshoot abnormal operations and repair the arcuit board unit.

5.3.1 Troubleshooting Abnormal Operations

This section describes how to detect malfimctions, how to determine their CSUSe, and hOW to
resolve them. Each entry in the table below refers you to a detailed troubleshooting table.
Symptom
The printer does not operate at ail.
The control panel LEDs do not operate
at all.
The control panel buttons do not operate There is no response to pressing the
at all.
Carriage error displayed.
Paper is not fed.
Paper out displayed.
Paper jam displayed.
Ink low or ink end displayed.
No ink cartridge displayed.
5-2

Table 5-4. Symptoms and Problems

The printer mechanism does not operate
at power on.
The printer mechanism operates, but the
The printer displays a carriage error at
power on.
The paper is not fed from the auto sheet
feeder (ASF).
The paper is not fed from the manual
feed sbt.
The paper is fed, but a paper out is
displayed.
The printer displays a paper jam.
A new ink cartridge is inserted, but ink
An ink cartridge is inserted, but no ink
cartridge is displayed.
The printer displays a waste ink tank
overflow.
The carriage moves, but the printhead
does not print.
Dots are missing.
Line spacing is inconsistent.
Other problems.
Bidirectional printing position is
abnormal.
The printer does not print.
Data from the host is incorrect.
Printer Problem
Reference
Table
5-7
5 8
5-1o
5-11
5-12
5-13
5-14
5-15
6-16
5-17
5-19
520
5-21
522
Rev. A
I
,