MX-5111N MX-LC11 (LARGE CAPACITY TRAY) 6 – 63) Slightly push the tray, restore the stopper to the original posi-tion, and fix the fixing screw.At that time, check to insure that the stopper pawl is engagedwith the stopper reception of the large capacity tray unit.4) Slowly insert the tray to the original position.(2) Paper size switch from A4 to B5Since the factory setting of the paper size is A4, if paper size switchis required, perform the following procedures.1) Slowly pull out the tray until it stops.2) Loosen the stopper fixing screw (1 pc) on the right lower sideof the tray so that the stopper does not function.3) Pull out the tray again until it stops.a. Side plate size switch1) Remove four fixing screws (blue screws) which are fixing theupper and the lower sections of the side plate F and the sideplate R.2) Adjust the mark position of the tray and the side plates in thelower section of the side plates F/R according to the desiredsize. Also adjust the upper section according to the desiredsize, and fix with the four fixing screws (blue screws).F side R side