293The following overview shows the weights of some commonly used materials:Note: Weights do not include the 1.3 kg (2.9 lb) roll holder.The weight of a stack of sheets never exceeds the RWL.Caution: If the Océ 9600 printer is not equipped with the optional rollloader, the NIOSH limit for load handling will be exceeded when rolls ofimaging materials having a net weight of more than 7 kg (15.5 lbs) (i.e. awidth of more than approximately 50 cm or 20 inches) are placed in the rollpositions 2, 4, and 6 by a single person.Roll weights per materialPlain paper, 24 lb bond, E size, 500 feet 9.7 kg (21.3 lbs.)Transparent paper 23 lb, E size, 500 feet 8.2 kg (18 lbs.)Océ polyester film (3.5mil, E size, 150 feet) 11.8 kg (26 lbs.)Vellum 7500 (20 lb, 36", 500’) 11.4 kg (25.1lbs.)Engineering bond 45-111 (20 lb, 36", 500’) 11.4 kg (25.1lbs.)[178] Weights per material
