The paper misfeed message "(A1)" appears when a paper misfeed occurs in the standard paper feed tray.
Pull out the paper tray until it stops.
Pull out the jammed paper carefully.
Close the paper tray carefully.
Open the front cover by pushing the front cover release button, and then close it to reset the misfeed condition.
When closing the front cover, push the upper side of the cover firmly. After closing the cover, check that the paper jam is cleared.