HP JetDirect 300X 可以把老式串口打印机通过 Tcp/Ip 界面共享出来,比网上邻居可靠和方便得多。但是这款打印共享器设置方式特别奇怪,这里记录作为备忘参考。原文参考 How to configure an HP JetDirect 300X print server

  1. Set the DIP switches on the back as follows:
    Man / Auto = MAN = UP
    10 / 100 = 10 = DOWN
    Full / Half = Half = DOWN
  2. Press and hold the TEST button on the top while plugging in the power.
  3. After 5 seconds, let go of the TEST button. (This sets everything to default)
  4. Unplug the 300X and plug in a CAT-5 cable to your network (Needs a DHCP Server..)
  5. Connect up a printer to the server.
  6. Power up the 300X server.
  7. After about 30 seconds, press the TEST button on the 300X, and the server configuration will print out.
  8. Note the IP address.
  9. Telnet to the above IP address. And configure the server.
  10. Give it a static IP, and turn off unnecessary protocols.


  1. Add a printer
  2. Add a local port Type: TCP and use the address above.
  3. Follow the prompts, and you are done!
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