S300H is popular Thermal Receipt Printer with USB/Serial/Ethernet interface and easy for deploy. You can config your own features by switch the DIP under bottom.
| Function | ON | Off | |
| DIP-1 | Cutter Enable | Disable | Enable |
| DIP-2 | Beeper | Enable | Disable |
| DIP-3 | 58mm Paper Width | Enable | Disable |
| DIP-4 | Double Byte Character compatible | Disable | Enable |
| DIP-5 | Character /Line | 42 | 48 |
| DIP-6 | Open Cash Box Open while cut paper | Enable | Disable |
If you the printer print out some strange character, try to switch DIP4. Mostly, the problem will be solved.
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