Booklet Finisher (4-Hole) for Lexmark C935,X940E/X945E Printers. The upper bin supports up to 500 sheets of paper in A3, A4, A5, Folio, Executive, JIS-B4, JIS-B5, Letter, Legal, Ledger or Tabloid and Statement sizes. Paper (16 to 58#, 60 to 220gsm) and glossy paper may be used in this bin. Hole punching is supported for paper in this bin. Bin 1, the middle bin, supports up to 1500 sheets of paper in A3, A4, Executive, Folio, JIS-B4, JIS-B5, Letter, Legal and Ledger or Tabloid sizes. Paper (16 to 58#, 60 to 220gsm) may be used in this bin. Stapling of sets of 50 sheets of paper is supported. Hole punching of paper (16 to 47#, 60 to 176gsm) and offset stacking is supported. Bin 1 has a empty and a full sensor. Bin 2, the lower bin, supports paper in A3, A4, Executive, Folio, JIS-B4, JIS-B5, Letter, Legal and Ledger or Tabloid sizes (16 to 24#, 60 to 90gsm). The lower bin, supports saddle stapling of up to 18 sets with up to 15 sheets of folded 20# (75 gsm) paper. Bin 2 has a full sensor.