Need a power button

Canon 6650 E000 Thermistor E001 SSR E002 Thermistor, ht. Lamp thermal fuse or SSR E003 Thermistor, ht. Lamp thermal fuse or SSR E005 Fuser cleaning belt E010 Main drive problem E020 Toner motor, toner level sensor, toner hopper sensor E030 Counter E050 Duplex problem E203 Scan home problem E210 Lens home sensor E401 Document feeder paper pickup motor E402 Document feeder belt clock pulse problem E403 Document feeder main motor clock pulse problem E411 Document feeder sensor problem E500 Sorter/copier interface problem E500 An error is identified in the communication between the sorter and the copier E510 The clock signal from the motor is absent for 250ms or more E510 Sorter motor drive E513 The clock signal from the motor is absent for 250 ms or more E530 Sorter home sensor E530 The home position sensor (P17) fails to go OFF when an equivalent of 2560 pulses of the motor drive command has been generated E531 The stapler unit swing sensor (MS9) fails to go ON within 500 ms after the motor drive command has been generated. MS9 fails to go back OFF within 1000 ms after it has gone on E531 Stapler swing sensor E540 The lead cam home position sensor (P12) fails to go OFF within 2000 ms after the motor drive command has been generated. P12 fails to go back ON within 2000 ms after it has gone OFF E540 Sorter lead cam home sensor E541 Sorter lead cam home sensor E710 DC controller board E711 DC controller board E712 Document feeder problem