The Canon iR2016 "Download Standby" error is more intimidating than it is fatal. In 70% of field-verified cases, a proper firmware reinstallation using SST and a genuine parallel port restores the printer to full functionality. Another 20% are resolved by swapping the system DIMM. Only the remaining 10% require board-level repair or replacement.
: The official utility used by technicians to communicate with the device firmware. canon ir2016 download standby error verified