CANON 720, 740, 750, 770 C Fusing film damaged or out of position the machine tries to compensate
CANON 720, 740, 750, 770 H Fusing unit overheating
CANON 720, 740, 750, 770 E0 The machine was switched OFF and ON after one of the E00X error codes
CANON 720, 740, 750, 770 E000 Bad thermistor, thermofuse, fusing element, triac or power supply
CANON 720, 740, 750, 770 E001 Bad thermistor, triac or power supply
CANON 720, 740, 750, 770 E002 bad thermistor, thermofuse, fusing element, triac or power supply
CANON 720, 740, 750, 770 E003 bad thermistor, thermofuse, fusing element, triac or power supply
CANON 720, 740, 750, 770 E007 fusing film damaged or out of position
CANON 720, 740, 750, 770 E010 main motor lock, DC power supply
CANON 720, 740, 750, 770 E064 Main power supply or Main PCB
CANON 720, 740, 750, 770 E202 scanner home position not found
CANON 720, 740, 750, 770 E210 lens home position not found
CANON 720, 740, 750, 770 E220 exposure lamp, exposure control PCB, light intensity error, main PCB
CANON 720, 740, 750, 770 E240 DC power source controller or main power supply
CANON 720, 740, 750, 770 E261 frequency error caused by the main power supply or the power outlet
CANON 720, 740, 750, 770 E803 main board, main power supply or fusing lamp defective