Item SpecificationSaddle stitch capacity • Saddle stitch: 25 sheets (including 1 cover sheet up to300 g/m² (110 lb cover))• Saddle fold: 5 sheets• Paper sizes: A3, B4, A4R, 13" x 19" (330.2 mm x 482.6mm), 12" x 18" (304.8 mm x 457.2 mm), 11" x 17"(279.4 mm x 431.9 mm), LGL, LTRR, 12 5/8" x 17 3/4"(320 x 450 mm), and custom sizes (210 mm x 297.1mm to 330.2 mm x 487.7 mm (8.3" x 8.5" to 13" x19.2")):• Cover weight: Use heavier paper than the main docu-ment (> 64 g/m² (17 lb bond)).NOTEThe available saddle stitch capacity may vary,depending on the paper type and weight).Power source 120 - 240 V AC, 50/60 Hz, 8.0 AMaximum power consumption 500 WDimensions (H x W x D) 1,239 mm x 800 mm x 792 mm (48.8" x 31.3" x 31.2")NOTEWhen the auxiliary booklet tray is pulled out,the width is 1,060 mm (41.7").Weight Approximately 180 kg (397 lb)Puncher Unit-BT1NOTEWhenever a number of sheets is mentioned in the table below, the figure is based on media of80 g/m² (20 lb bond).Specifications of Puncher Unit-BT1Item SpecificationsPaper size/weight/type Size:• Two holes: A3, B4, A4, A4R, B5, B5R, and custom sizes(182 mm x 182 mm to 297 mm x 432 mm (7.2" x 7.2"to 11.7" x 17")).• Four holes: A3, B4, A4, B5, and custom sizes (257 mmx 182 mm to 297 mm x 432 mm (10.1" x 7.2" to 11.7" x17")).Weight: 52 g/m² - 300 g/m² (14 lb bond - 110 lb cover)Type: Thin, Plain, Heavy, Recycled, Colour, Bond paper,Tab paper, Coated, Texture paper, CarbonlessNumber of punch holes, hole diame-ter• Two holes: 6.5 mm (0.26")• Four holes: 6.5 mm (0.26")Distance between punch holes • Two holes: 80 mm (3.15")• Four holes: 80 mm (3.15") 4Specifications58 Appendix A - Miscellaneous Canon Finisher-AK1/Saddle Finisher-AK2/Puncher Unit-BT1/BU1