Unit Level Troubleshooting - Epson FX-2170 Service Manual

Troubleshooting

5.3 UNIT LEVEL TROUBLESHOOTING

You may be able to identify the defective unit just from the symptom displayed. The table below provides the
symptoms for a number of failures. Once you identify the problem, refer to the flowchart listed in the
right-hand column of the table below to determine the cause of the problem.
Table 5-5. Symptoms and Problem Descriptions
Symptom
Abnormal CR
Operation
Abnormal Paper
Feed
Abnormal Control
Panel Operation
Abnormal Printing
5-4
Problem Description
Carriage does not move at all.
When the printer is powered on, the CR moves
away
from home position after a moment and stops. All
indicator LEDs on the control panel blink.
Paper does not feed at all.
When the printer is powered on, paper is ejected
automatically.
When paper is loaded, it is ejected automatically and
then the printer indicates "Ready."
Control panel indicator LEDs do not light.
Operate button does not work.
Panel buttons do not operate.
No image is printed.
Faulty printing — some dots are not printing.
FX-2170 Service Manual
Flowchart No.
Flowchart 1
Flowchart 2
Flowchart 2-1
Flowchart 3
Flowchart 4
Rev. A