Epson LX-300 Service Manual

LX-300 Service Manual
Tfvubleshooting
1. Printer fails to operate when the power is on.
Use correct AC input voltage.
120V version is 103.5 -132V
No fluctuation from AC
230V version is 198- 284V
voltage range is permitted.
TYES
i
\ /
PSWPSE blow?
NO
Measure the VP(+35VDC) at pin 1 and
2 of CN2 on BOARD
ASSY.,PSWPSE.
Replace the BOARD
ASSY.,MAIN.
Verify each
motot’s coil resistance
in Table 54.
Replace necessary unit.
Replace the BOARD
ASSY.,MAIN.
*
END
Rev.A
s-s

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%