Service manual

LX-300+ Revision A
Product Description Features 9
1.1 Features
EPSON LX-300+ is a 9-pin serial impact dot matrix printer. The major features
of this printer are as follows:

Printing speed: High speed draft 300 cps at 10 cpi
Draft 225 cps at 10 cpi
NLQ 56 cps at 10 cpi
 Feeding method: Friction feed (rear)
Push tractor feed (rear)
Push and Pull tractor feed (rear)
Pull tractor feed (rear, bottom)

Feeder: Rear push tractor, CSF single-bin (Option),
Pull tractor (Option) and Roll paper holder (Option)

Paper/ Media: Single sheet, Continuous paper, Multi part paper,
Envelope, Label and Roll paper
 Fonts: 2NLQ and 1 Draft Bitmap typefaces
8 Barcode fonts
 Character tables: Standard version 13 tables
NLSP version 38 tables

Input buffer: 8 Kbytes

Acoustic noise: 49 dB(A) (ISO 7779 pattern)

Reliability: Total print volume 12 million lines
(except printhead)
MTBF 6000 POH (25% Duty)
Printhead life 200 million strokes/ wire
Ribbon life 3 million characters
 Interface: Bi-directional parallel interface
(IEEE-1284 nibble mode supported)
Serial I/F
 Control code: ESC/P and IBM 2380 Plus emulation
 Copy capability: 1 original + 4 copies

Control panel functions:Font, Pause, Tear off, LF/FF, Load/ Eject, Micro
Adjust, Self test, Data dump and the default settings
Figure 1-1. EPSON LX-300+ Printer Parts
Paper supports
Paper guide
Paper release lever
Knob
Control panel
Printer cover
Paper guide cover
Ribbon cartridge
Paper thickness
lever
Paper tension unit
Power switch
Paper cord
Tractor
Parallel interface