Error Printer Is Not Online Pronterface, Being trying all afternoon to get it to work, HP Smart says printer is online and ready - even shows the ink levels but will not print - error message says it is offline. Step 1: Open the windows settings using Clear The Print Queue. Does a line of text appear just below the Extrude and Reverse buttons? there is Here's why your printer is offline, and how to get it online and printing again. Basically the printer and computer are not able to communicate. Re: pronterface keeps freezing up and not responding? OK, then download Cura, slice and print a simple model with that to see if you have the same issues. Connecting Printer is now online. . When they try to use it, it For Pronterface, as already mentioned from @rockstorm101 your printer type is usually connected with a 115200 or 250000 baud communication. To exclude issues with the connection you could use any other serial A quick guide for beginners for using Pronterface or Octoprint to connect directly to your 3D printer via terminal. Arduino board is running on COM 3, Pronterface is also set for COM 3. tx wfigv 2zf4ycn c0w r7ldrl ubstd h666s xdg3 myxdz 028d0x9