Thecus N0204 User Manual page 74

You can press The printer that I want isn't listed to go into next page without
waiting for Searching for available printers to finish.
5. Click Select a shared printer by name.
Type http://<Thecus_NAS>:631/printers/usb-printer in the box, where
<Thecus_NAS_IP> is the IP address of Thecus IP storage. Click Next.
6. Select or install a printer and then press OK.
If your printer model is not listed, please contact your printer manufacturer
for help.
7. Windows will attempt to connect to the printer.
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