Canon NP6330 Service Manual page 257

CONTROLS AND EXTERNALS
This chapter describes the outline of the purposes, roles and operations of the
mechanisms for auxiliary control of this copier, the relationship between the electric
system and mechanical system, and the operational timing of each component.
I. FANS ..................................................7-1
II. POWER SUPPLY ...............................7-3
A. Outline of Power Supply................7-3
B. Protection Mechanisms of the
Power Supply Circuit .....................7-5
III. ERROR DETECTION CIRCUIT .........7-6
A. Outline ...........................................7-6
B. Scanning Lamp Error Activation
Detection Circuit ............................7-7
C. Fixing Heater Error Activation
Detection Circuit ............................7-7
COPYRIGHT © 1997 CANON INC.
CHAPTER 7
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
IV. DISASSEMBLY AND ASSEMBLY......7-8
A. Externals........................................7-9
B. Control Panel.................................7-14
C. Copyboard Cover ..........................7-15
D. Fans...............................................7-15
E. Main Motor Assembly....................7-17
F. Mirror Guide Assembly..................7-18
G. Main Drive Assembly.....................7-19
H. Cleaning Belt Drive Assembly .......7-23
I. DC Controller PCB ........................7-24
J DC Power Supply PCB .................7-25