Thecus N16000 Series User Manual page 98

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.
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