Canon IMAGERUNNER 2030 i Reference Manual page 386

# 852
Cause An error occurred because the main power switch was turned OFF while a job
was being processed.
Remedy Check to see if the main power switch is turned ON. Try processing the job
again, if necessary.
Cause 1 Originals are jammed in the feeder.
Remedy Remove any jammed originals. (See "Feeder," on p. 8-15.)
List of Error Messages
8
8-45