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COPYRIGHT
©
1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
4–1
CHAPTER 4 IMAGE FORMATION SYSTEM
I. OUTLINE OF THE PROCESSES
A. Outline
Figure 4-101 shows the copier's basic construction in reference to image formation. Image
formation consists of the following functions:
• Scanning lamp control
• Primary corona current control
• Transfer control current control
• Separation static eliminator bias control
• Developing bias control
• Blank exposure lamp control
Figure 4-101
AE sensor
DC controller PCB
Scanning lamp (LA1)
Lens
Copy board glass
No.1
mirror
No.2
mirror
No.3
mirror
No.4 mirror
No.5 mirror
Developing
assembly
AE sensor output signal (AE_DATA)
No.6
mirror
Blank
exposure
lamp (LA3)
Pre-
exposure
lamp (LA2)
Primary
corona
assembly
Transfer
corona
assembly
Static
eliminator
HVT
Lamp regulator
PCB