Key facts
Start here

Epson LQ-300 User Guide
This User Guide covers the basic operation of the Epson LQ-300 printer, including paper handling, power controls, and safety warnings. It also contains regulatory compliance information for FCC and Canadian standards.
Support details are provided for users in the United States, United Kingdom, and other regions, outlining warranty terms, service contacts, and how to obtain technical assistance or replacement parts.
All Epson LQ-300 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What type of cable must be used to avoid invalidating FCC certification?
A shielded equipment interface cable must be used; a non‑shielded cable will invalidate the FCC certification.
From: Epson LQ-300 User Guide
Which interfaces are available on the printer?
It has a parallel interface and an EIA‑232D serial interface.
