For the Rollo wireless printer. Always ensure that you are connected to the same WiFi name and the same band 2.4Ghz or 5Ghz.
This is not an official Rollo support site, for the official support site, please visit: support.rolloprinter.com
Sometimes dust, paper jams, sticker residue, and tiny particles can block the printer head from transferring the heat into the surface of the paper, which leads to noisy printing or stuck printing so it's always a good practice to clean your printer head once in a while.