When a Canon IR 2016 displays "Download Standby," the machine is essentially stuck in a boot loop. It is waiting for data to load from the firmware source—usually the internal Hard Disk Drive (HDD) or boot ROM—but the transfer has failed to initialize.
: In rare cases, a communication failure with the DC controller PCB can trigger system errors. Canon iR 1018j/1022 - ошибка "download standby"