Error code E00003-0000

The film (plastic) film is probably torn from a piece of paper that got jammed between the upper and lower section causing an overtemp lockout condition.
1. Remove left paper door.
2. Remove conector rear plastic(black) and fuser shields(2) screws holding fuser cover shield and unplug (3)connectors,2on the rear and a small one on the front lower right of fuser unit
3. Remove (2) assemlbly mounting screws one at rear and one
on the front sides.
4. remove unit and purchase new complete unit from cannon
5.Installed new fuser by reversing above steps.