Epson LX-300 Service Manual

LX+Otl Service Manual
Tmubkahooting
5.1 OVERVIEW
Follow the procedure in the flowchart below to identify printer problems.
( The Fault is corrected )
Figure 5-1. Troubleshooting
Note: If the power supply board assembly is fautty, it must be replaced as a whole unit. No field
repair should be performed on it, except for the replacement of fuse F1.
The following tables provide troubleshooting information.
Table 5-1. Printhead Coii Resistance
I
Part
I
Specification
I
I
Printhead
I Coil resistance 33.3 Q * 3.3 Q at 25° C (77° F)
I
Rev.A
5-1

Epson LX-300 Specifications

General

Print Method	9-pin impact dot matrix
Interface	Parallel
Paper Handling	Friction feed, tractor feed
Weight	4.4 kg
Operating Environment	Temperature: 5 - 35°C, Humidity: 10 - 80%