Overview; Troubleshooting Information; Printhead; Sensors - Epson FX-980 Service Manual

FX-980

5.1 Overview

This chapter contains information necessary for troubleshooting. Like
other chapters, this chapter does not include the information common to
the FX-2170.

5.2 Troubleshooting Information

This section gives you troubleshooting information to let you test points
for replaceable units.

5.2.1 Printhead

See the FX-2170 Service Manual.
Troubleshooting

5.2.2 Sensors

The information for this section is the same as for the FX-2170 except
for the points below:
Table 5-1. Sensor Tests Points
Sensor CN Test Pin
Number Number
CN12 1: Release1
(Release
2: GND
sensor 1)
CN16 1: Release 2
(Release 2: GND
sensor 2)
CN15 1: COPEN
(Case open 15: GND
sensor)
See the FX-2170 Service Manual.
Others

5.2.3 Motors

See the FX-2170 Service Manual.
Overview
Revision A
Test Method
(Set the Meter to the DC
Reading
Voltage.)
Place one lead on pin 1 and the Open: +5
other lead on pin 2, and check
Short: 0V
the voltage while toggling the
sensor lever.
Place one lead on pin 1 and the Open: +5
other lead on pin 2, and check
Short: 0V
the voltage while toggling the
sensor lever.
Place one lead on pin 1 and the Open: +5
other lead on pin 15, and check (Case Open)
the voltage while toggling the
Short: 0V
sensor lever.
(Case closed)
Meter
52