SCAM - DANGER - DO NOT CALL THESE NUMBERS. These phony support numbers send you to criminal call centers where they will install malware, steal ID and/or extort money from you . Please only ever use the support contacts from the official company website
Main PWD checksum erro detective main PWB.Turn Power switch off/on to restart the printer .in recovery modelo download the Controller firmware using a compactflascompactflash Andr? update the firmware ,otherwise replace the mainPWb
Check the document and then check the driver. Also check which control language the driver is set for. Also press the printer button on the op panel and then press "Go".