Canon NP7160 Service Manual page 167

EXTERNALS/AUXILIARY MECHANISMS
This chapter shows the copier's external parts, and explains the principles used for the copier's various
control mechanisms 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. FANS ........................................................ 7-1
II. POWER SUPPLY ..................................... 7-4
A. Outline of Power Supply .................... 7-4
B. Power Supply Circuitry ....................... 7-5
C. Protection Mechanisms of the
Power Supply Circuitry ....................... 7-7
III. DISASSEMBLY/ASSEMBLY ................... 7-8
A. External Covers .................................. 7-9
B. Control Panel .................................... 7-13
COPYRIGHT © 1998 CANON INC.
CHAPTER 7
CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
C. Copyboard Glass ............................. 7-14
D. Fans .................................................. 7-15
E. Counter Assembly ............................ 7-18
F. Main Motor Assembly ....................... 7-18
G. DC Controller PCB ........................... 7-19
H. Removing the Power Supply PCB ... 7-20
I. Removing the High-Voltage Power
Supply PCB ...................................... 7-20
J. Lamp Regulator PCB ....................... 7-21