Canon NP6512 - Page 8

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
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CHAPTER 4 IMAGE FORMATION SYSTEM
CHAPTER 5 PICK-UP/FEEDING SYSTEM
I. IMAGE FORMATION SYSTEM ...4-1
A. Outline ...................................4-1
B. Timing Chart for the Image
Formation System .................4-3
C. Primary Charging Roller Bias
Control...................................4-4
D. Controlling the Transfer Roller
Bias .......................................4-9
E. Controlling the Developing/
Separation Static Eliminator
Bias .................................... 4-12
F. Measuring the Density of
Originals ............................. 4-18
G. Controlling the Pre-Exposure
Lamp .................................. 4-24
H. Controlling the Side Blanking
Mechanism ......................... 4-26
II. DEVELOPING ASSEMBLY
/CLEANING ASSEMBLY........... 4-27
A. Outline ................................ 4-27
B. Detecting the Level of
Toner .................................. 4-28
C. Detecting Waste Toner ....... 4-30
D. Primary Charging Roller
Cleaning Control ................ 4-31
III. DISASSEMBLY/ASSEMBLY ..... 4-33
A. Drum Unit ........................... 4-34
B. Transfer Charging
Assembly............................ 4-38
C. Blank Exposure .................. 4-39
D. Developing Assembly......... 4-43
I. PICKUP/FEEDING SYSTEM.......5-1
A. Outline ...................................5-1
B. Controlling the Pickup
Roller .....................................5-2
C. Controlling the Movement of
Paper .....................................5-6
D. Detecting Jams .....................5-8
II. DISASSEMBLY/ASSEMBLY ..... 5-13
A. Pickup Assembly ................ 5-14
B. Multifeeder Assembly ......... 5-21
C. Feeding Assembly.............. 5-24
D. Registration Roller
Assembly............................ 5-25
E. Delivery Assembly.............. 5-30
CHAPTER 6 FIXING SYSTEM
I. OPERATIONS ..............................6-1
A. Outline ...................................6-1
B. Controlling the Fixing
Temperature ..........................6-3
II. DISASSEMBLY/ASSEMBLY ........6-9
A. Fixing Assembly ................. 6-10