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COPYRIGHT
©
1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
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. OUTLINE OF OPERATION ..................... 5-1
II. PICK-UP FROM THE CASSETTE .......... 5-2
A. Pick-Up Operation .............................. 5-2
B. Sequence of Operations
(pick-up/feeding) ................................ 5-3
C. Operation of the Cassette Lifter ......... 5-4
D. Detecting the Size of the Cassette .... 5-6
III. PICK-UP FROM THE MULTIFEEDER .... 5-8
A. Pick-Up Operation .............................. 5-8
B. Detecting the Size of Paper
in the Multifeeder................................ 5-9
C. Sequence of Operations
(pick-up from multifeeder) ................ 5-10
IV. CONTROLLING THE REGISTRATION
CLUTCH ................................................. 5-11
V. DETECTING JAMS ................................ 5-12
A. Outline .............................................. 5-12
B. Sequence of Operations
(jam detection).................................. 5-13
VI. DISASSEMBLY/ASSEMBLY ................. 5-15
A. Pick-Up Assembly ............................ 5-16
B. Multifeeder Assembly ....................... 5-20
C. Registration Roller Assembly ........... 5-23
D. Cassette Assembly .......................... 5-24