The Epson C823301 Fax Interface Board User Manual explains setup, DIP switch settings, connection, and troubleshooting for the fax board.
This manual describes the Epson C823301 Fax Interface Board, a G3 fax receiver that can be installed in compatible Epson laser printers. It covers installation, DIP switch configuration, reception modes, and optional fax‑modem operation.
The guide also provides wiring details, self‑test procedures, troubleshooting tips, and technical specifications such as supported fax standards, resolution, and buffer capacity.
| Supported paper sizes | A4, Letter |
|---|---|
| Resolution (Raster Feed) | 8.00 dot/mm (fine), 3.85 dot/mm (normal), 7.70 dot/mm (fine) |
| RX buffer size | 300 KB (up to 15 pages) |
| Modem commands compatibility | EIA‑578 (Fax class 1 compatible) |
| Line impedance | 600 Ω |
The board’s 300 KB buffer can store up to 15 pages of fax data.