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-handcolumn of thetable below to determine thecause of theproblem.
Table 5-5. Symptoms andProblem Descriptions
Symptom
Problem Description
Flowchart No.
Abnormal CR
Operation
•
Carriage does not move at all.
•
When the printeris powered on, the CR moves
away
from home positionafter a moment andstops. All
indicator LEDs on the control panelblink.
Flowchart 1
Abnormal Paper
Feed
•
Paper does not feed at all.
•
When the printer ispowered on, paper is ejected
automatically.
•
When paperis loaded, it is ejected automatically and
then the printer indicates “Ready.”
Flowchart 2
Flowchart 2-1
Abnormal Control
PanelOperation
•
Control panel indicator LEDs donot light.
•
Operate buttondoes not work.
•
Panel buttons donot operate.
Flowchart 3
Abnormal Printing •
No image is printed.
•
Faulty printing —some dots are not printing.
Flowchart 4
Troubleshooting FX-2170 Service Manual
5-4 Rev. A