Unit Replacement - Epson DFX-8000 Service Manual

Troubleshooting

Unit Replacement

Table 5-Z. Problem Identification and Reference Pages
Problem
The power switch is on and the 9
printer does not operate.
An error is detected when the
power is turned on.
A printing error occurs during
the self test.
The paper feeds abnormally.
The control panel does not
operate correctly.
The printing is incorrect in on
line mode.
5-6
Symptoms
No LEDs are lit on the control panel.
The mechanism doesn't initialize.
l
The printer indicates an error.
l
(See Table 5-l .)
The mechanism can initialize but an error is
detected.
. Nothing is printing.
A specific dot is missing.
l
The print quality is bad (because of the print
l
density or another problem).
No paper is fed.
l
The amount of paper fed is irregular.
l
A paper jam occurs.
l
You cannot select function modes using
l
control panel buttons.
No paper is fed when you press the LINE
l
FEED or FORM FEED button in off line mode.
You cannot select on line or off line mode.
l
You cannot set panel settings.
l
The result of the self test is correct, but data
l
from the host computer is not printed
correctly.
When the printer is operating, an error occurs
l
in the host computer.
Reference page
5-7
5-8
5-11
5-12