Canon PC921 Service Manual - Page 123
Canon PC921 Manual
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CHAPTER 5 PICK-UP/FEEDING SYSTEM This chapter explains the principles used from when copy paper is picked up to when a copy is delivered in view of the functions of electrical and mechanical units and in relation to their timing of operation. It also shows how these units may be disassembled/ assembled and adjusted. I. PICKUP/FEEDING SYSTEM.......5-1 A. Outline 5-1 B. Controlling the Pickup Roller 5-3 C. Controlling the Movement of Paper 5-9 D. Detecting Jams 5-12 II. DISASSEMBLY/ASSEMBLY ..... 5-18 A. Pickup Assembly 5-19 B. Multifeeder Assembly ......... 5-28 C. Single-feeder Assembly ..... 5-31 D. Feeding Assembly 5-33 E. Registration Roller Assembly 5-34 F. Delivery Assembly 5-36 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)