Error - Epson FX-880 Service Manual

Detector Connector
Number
HP Detector
(CN4)
Front PE Detector
(CN6)
Release Lever Detector
(CN10)
PG Detector
(CN11)
Printhead thermistor

3.1.2 Error

As this printer checks its condition by itself at power-on, when it finds any trouble, it indicates it
with error indication buzzer and LEDs. The error Indications and countermeasures are shown in
the table below:
Error
Paper out error Paper Out:
Pause:
Release lever Pause:
error
Fatal error All LEDs :
Note: Symbols used in the table represent the following:
" " : A beep sounds for approx. 100 ms with the interval of approx. 100ms.
"-" : A beep sounds for approx. 500 ms with the interval of approx. 100ms.
Rev. A
Table 3-4 Detector Test Point
Test Method
(Set Meter to Ohms. Check the
Printer power off.)
Place one lead on pin 1 and the
other lead on pin 2, and toggle the
detector actuator.
Place one lead on pin 1 and the
other lead on pin 2, and toggle the
detector actuator.
Place one lead on pin 1 and the
other lead on pin 2, and toggle the
detector actuator.
Place one lead on pin 1 and the
other lead on pin 2, and move the
detector actuator from -0 to 6.
Place one lead on pin T and the
other lead on other pin T to check
the resistance.(Refer to Fig.3-2.)
LED Status Buzzer
On
On
ON
-----
Blink
Cause
The printer fails to load
***
paper.
The release lever is set
to a wrong position.
The carriage unit gets
into out of control or
power supply voltage
becomes incorrect.
FX-880 Service Manual
Chapter 3 Troubleshooting
Meter Reading
Meter should toggle between
open and short. (LOW: within
CR Home position.)
Meter should toggle between
open and short. (HIGH:
paper is installed in the
printer.)
Meter should toggle between
open and short. (HIGH:
Friction Feed mode.)
Meter should toggle between
open and short.
(HIGH: PG -1 ~ 3.)
Approx. 14K (at 17 C)
Disposition
Set paper to the
printer correctly.
Set the release
lever to the
correct position.
Turn off the
printer once and
turn it back on.
3-3