Epson LX-400
The Epson LX-400 9 pin dot matrix printer was introduced to replace the LX-800. Although it had an identical specification to the LX-800 it had been reduced in price and was now coloured in Epson's new grey livery. The printer has two sets of DIP (Dual
In-line Package) switches located on the rear panel of the printer. These switches control certain printer functions and default settings, the details of which are listed below.
| Switch No. | Function | On | Off |
| SW1-1 | Typeface | Condensed | Normal |
| SW1-2 | Slashed Zero | Valid | Invalid |
| SW1-3 | Code Table | Graphic | Italic |
| SW1-4 | Paper-out Sensor | Invalid | Valid |
| SW1-5 | Print Quality | NLQ | Draft |
| SW1-6 | Character Set | See Character Tables |
| SW1-7 | Character Set | See Character Tables |
| SW1-8 | Character Set | See Character Tables |
| SW2-1 | Form Length | 12" | 11" |
| SW2-2 | Cut Sheet Feeder | Valid | Invalid |
| SW2-3 | 1" Skip-over perforation | Valid | Invalid |
| SW2-4 | Auto-line feed | Auto LF | No LF |
Character Table
| Character Set | SW1-6 | SW1-7 | SW1-8 |
| USA | ON | ON | ON |
| France | ON | ON | OFF |
| Germany | ON | OFF | ON |
| UK | ON | OFF | OFF |
| Denmark | OFF | ON | ON |
| Sweden | OFF | ON | OFF |
| Italy | OFF | OFF | ON |
| Spain | OFF | OFF | OFF |
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