Remove all the tapes and retainers on the machine.
Remove all the tapes and retainers in trays 1 and 2, and then take out the power cord from tray 1 (if applicable).
Remove the scanner unit stay [A].
Open the front door [B], and then remove the jam location sheet [C].
Keep the scanner unit stay [A] inside the front door [B].
Reattach the jam location sheet.
Close the front door.