Epson LQ-2180 - Overview; Troubleshooting Information; Printhead; Sensors

LQ-2180 Revision A
Troubleshooting Overview 40
5.1 Overview
This chapter contains flowcharts and checkpoint tables to help you
troubleshoot the printer. The checkpoint tables let you identify the faulty
part or unit by checking the values or ranges listed for each component.
5.2 Troubleshooting Information
This section gives you troubleshooting information to let you test points
for replaceable units.
5.2.1 Printhead
The information in this section is the same as for the LQ-2170.
5.2.2 Sensors
The check method, including test pin number and meter reading, for
each sensor is the same as for the LQ-2170. However, be careful of the
CN 12 and 16 that are not common to the LQ-2170. The change made
for LQ-2180 is as shown below.
Table 5-1. Sensor Test Points
5.2.3 Motors
The motor test points are the same as for the LQ-2170.
5.2.4 Error Codes with Indicators and Buzzer
The Error codes with Indicators and buzzer are the same as for the LQ-
2170.
Sensor
Connector
Number
Test Pin
Number
Test method Meter reading
CN12
(Release
sensor 1)
1: Release 1
2: GND
Place one lead on Pin 1
and the other lead on Pin
2 and check the voltage
while toggling the sensor
lever.
See the LQ-2170 Service
Manual.
CN16
(Release
sensor 2)
1: Release 2
2: GND
Same as for CN12
See the LQ-2170 Service
Manual.
Other
sensors
See the LQ-2170 Service Manual.
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