Paper size Output trayUpper tray Lower tray Booklet trayA4R/LTRR Yes Yes YesCustom size 182 mm x 182 mm to330.2 mm x 487.7 mm /7.2" x 7.2" to 13" x 19.2"Yes Yes Yes ** Custom paper sizes can only be output if they are between 210 mm x 279.4 mm to 330.2 mm x487.7 mm (8.3" x 11" to 13" x 19.2").NOTEYou can only use the booklet tray when Saddle Finisher-AK2 is installed.High-volume modeThe Settings Editor on the PRISMAsync controller contains a [High-volume mode enabled]setting. When this setting is set to [Yes] the upper tray and the lower tray of the stacker/staplerwill be linked to increase the output capacity for non-stapled jobs. The total output capacity willbecome 5,000 sheets for 80 g/m² / 20 lb bond media (3,000 sheets in the upper tray and 2,000sheets in the lower tray).NOTEThe mode is not active when trimmer D1 is present.• You can still select the lower tray or upper tray as desired output location but the systemignores the choice.• First the lower tray will be filled, then the upper tray.• When both trays are full, you must first empty the trays before printing continues.• When stapling is required, the trays will be filled to their normal capacity (3,000 sheets).The finishing modesChapter 3 - Use the stacker/stapler 19Canon Finisher-AK1/Saddle Finisher-AK2/Puncher Unit-BT1/BU1Operation Guide Finisher-AK1, Saddle Finisher-AK2, Puncher Unit-BT1-BU1: VarioPrint (VP) 110, VP120, VP135 - Edition 2013-06