68 Technical data
Spine width/sheet capacity
The table below contains the minimum/maximum sheet capacities for the various spine
widths.
¹ The binding capacity and reliability will decrease with extremes of paper characteristics,
such as curl, static, temperature, humidity, and paper brand. The capacities listed are
minimums/maximums for paper under normal conditions of 21
°C and 50% RH.
Spine width Number of sheets allowed ¹
Millimeters Inches 80 gsm 20 lb 24 lb
1,5 1/16 min - 13 min - 15 min - 12
3 1/8 14 - 28 16 - 30 13 - 25
6 1/4 29 - 55 31 - 60 26 - 50
9 3/8 56 - 84 61 - 90 51 - 75
13 1/2 85 - 120 91 - 120 76 - 100