COPYRIGHT © 2001 CANON INC.
2000 2000 2000 2000
CANON iR5000i/iR6000i REV.0 JUNE 2001
P4
CONTENTS
1. Outline ............................................ 5-1P
1.1
Specifications and Construction
................................................. 5-1P
1.2
Arrangement of Roller and Sensors
................................................. 5-2P
2. Pickup Assembly ............................ 5-4P
2.1
Pickup Control System ............ 5-4P
2.1.1
Outline ............................... 5-6P
2.1.2
Sequence of Operations
(pickup) .............................. 5-7P
2.1.3
Pickup Retry Operation ..... 5-9P
2.2
Lifter Movement .................... 5-11P
2.2.1
Outline ............................. 5-11P
2.2.2
Lifter Limiter Control Circuit
(right/left deck) ................ 5-13P
2.2.3
Detecting the Presence/Absence
of Paper ............................ 5-14P
2.2.4
Detecting the Level of Paper
......................................... 5-14P
2.3
Identifying the Size of Paper in the
Cassette .................................. 5-17P
2.3.1
Right/Left Deck ............... 5-17P
2.3.2
Cassette 3/4 ...................... 5-17P
2.3.3
Markings on the Width Guide
Rail ................................... 5-19P
2.3.4
Paper Sizes ....................... 5-20P
2.4
Manual Feed Tray Pickup Assembly
............................................... 5-23P
2.4.1
Pickup Operation ............. 5-23P
2.4.2
Detecting the Size of Paper on
the Manual Feed Tray ...... 5-24P
3. Controlling the Registration Clutch
...................................................... 5-25P
3.1
Outline ................................... 5-25P
3.2
Control System ...................... 5-25P
4. Double-Sided Prints ..................... 5-26P
4.1
Control System ...................... 5-26P
4.1.1
Sending Paper to the Reversing
Assembly After Printing on the
First Side .......................... 5-26P
4.1.2
Sending Paper from the Revers-
ing Assembly to the Duplexing/
Feeding Assembly ........... 5-27P
4.1.3
Outline ............................. 5-28P
4.2
Sequence of Operations (printing)
............................................... 5-29P
4.3
Through-Path Operation ........ 5-30P
4.3.1
Outline ............................. 5-30P
4.3.2
Outline of Operations ...... 5-31P
4.4
Detecting Horizontal Registration
Position .................................. 5-35P
4.4.1
Outline ............................. 5-35P
4.4.2
Operation ......................... 5-36P
5. Controlling the Pickup Assembly 5-37P
5.1
Pickup Assembly Motors ....... 5-37P
6. Controlling the Delivery Assembly
...................................................... 5-38P
6.1
Reversal Delivery Operation ... 5-38P
7. Controlling the Cassette Heater ... 5-40P
8. Detecting Jams ............................. 5-42P
8.1
Outline ................................... 5-42P
8.1.1
Arrangement of Jam Sensors
......................................... 5-42P
8.1.2
Types of Jams .................. 5-43P
8.2
Sequence of Operations
(jam detection) ...................... 5-44P
8.2.1
Delay Jam ........................ 5-44P
8.2.2
Stationary Jams ................ 5-46P
8.2.3
Jam History ...................... 5-47P
9. Disassembly and Assembly .......... 5-48P
9.1
Manual Feed Tray Assembly ... 5-49P
9.1.1
Removing the Right Upper
Cover ............................... 5-49P
9.1.2
Opening of the Right Upper
Cover ............................... 5-49P
9.1.3
Removing the Manual Feed
Pull-Out Roller Unit ........ 5-50P
9.1.4
Removing the Feeding Roller
......................................... 5-50P
9.1.5
Removing the Separation Roller
......................................... 5-50P
CHAPTER 5 PICK-UP/FEEDING SYSTEM