When your printer in error state, it means that there is some issue preventing the printer from performing its tasks. The error could be due to various reasons such as a connection issue, a hardware problem, or a driver issue. First, check if all the cables are securely connected and that the printer is turned on. Also, make sure that the printer driver is installed correctly and is up to date. Check the printer’s display screen or the printer software on your computer for any error messages and follow the troubleshooting steps provided.