Item SpecificationCapacity of lower tray(When finishing is selected (Sort byset and Offset stacking / Sort by pageand Offset stacking), and High-vol-ume mode is [On])• A4, B5, LTR, EXEC, and custom sizes (182 mm x 182mm to 297 mm x 215.9 mm (7.2" x 7.2" to 11.7" x8.5")):4,000 sheets (or 490 mm (19.3") in height).NOTEFor coated media, the maximum height is 423mm (16.7").• A4R, B5R, LTRR, EXECR, and custom sizes (182 mm x216 mm to 297 mm x 297 mm / 7.2" x 8.5" to 11.7" x11.7")):2,000 sheets (or 285 mm (11.2") in height).• A3, B4, 11" x 17" (279.4 mm x 431.9 mm), LGL, andcustom sizes (182 mm x 297.1 mm or 297.1 mm x 182mm to 305 mm x 431.8 mm (7.2 " x 11.7" or 11.7" x7.2" to 12" x 17")).1,500 sheets (or 216 mm (8.5") in height).NOTEFor coated media, the maximum number ofsheets is 1,000.• 12" x 18" (304.8 mm x 457.2 mm), and custom sizes(182 mm x 431.9 mm or 305.1 mm x 182 mm to 330.2mm x 457.2 mm (7.2" x 17" or 12" x 7.2" to 13" x 18")):1,000 sheets (or 147 mm (5.8") in height).Capacity of lower tray(When 1 staple is selected)• A4, B5, LTR, EXEC, and custom sizes (210 mm x 182mm to 297 mm x 215.9 mm (8.3" x 7.2" to 11.7" x 8.5"):3,000 sheets/200 sets (or 423 mm (16.7") in height)• A4R, LTRR, and custom sizes (210 mm x 216 mm to297 mm x 297 mm (8.3" x 8.5" to 11.7" x 11.7")):2,000 sheets/200 sets (or 285 mm (11.2") in height)• A3, B4, 11" x 17" (279.4 mm x 431.9 mm), LGL, andcustom sizes (210 mm x 297.1 mm or 297.1 mm x 182mm to 297 mm x 432 mm (8.3" x 8.5" or 8.5" x 7.2" to8.5" x 17")):1,500 sheets/200 sets (or 216 mm (8.5") in height)NOTEFor coated media, the maximum number ofsheets is 1,000. 4Specifications52 Appendix A - Miscellaneous Canon Finisher-AK1/Saddle Finisher-AK2/Puncher Unit-BT1/BU1