Error Code: E100
Error Numbers The error number appears on the display and switches in order of “E”->”1″->”0″->”0″
Scanner area failure
(1)Disconnect the power to the device and wait for 10 seconds. Reconnect the power and turn on the device.
(2)Check the connectors of the Fixing Assembly. (J101, J1011, J552 and J702)
(3) Replace the Fixing Assembly.
(4) Replace the Engine Controller PCB.
if the error is still present call canon support.
or go watch this video May be it will help you solve the problem.