Canon iR1600 Service Manual page 14

CONTENTS
5.4 Registration Roller
Assembly ................................. 6-31
5.4.1 Removing the Registration
Roller ................................. 6-31
CHAPTER 7 FIXING SYSTEM
1 Outline of Operation ........................... 7-1
1.1 Outline ....................................... 7-1
2 Controlling the Fixing Temperature ... 7-3
2.1 Outline ....................................... 7-3
2.2 Controlling the Temperature ...... 7-4
2.2.1 Control at Time of Power-On
............................................. 7-5
2.2.2 Control According to the
Type of Paper ....................... 7-6
2.2.3 Control at Time of Down
Sequence .............................. 7-6
2.2.4 Control in ESS
(energy save mode) .............. 7-7
2.3 Detecting an Error ...................... 7-8
2.3.1 Outline ................................. 7-8
2.3.2 Control in Response to an
Error ..................................... 7-8
CHAPTER 8 EXTERNALS AND AUXILIARY
1 Control Panel ...................................... 8-1
1.1 The machine's control panel
has the following construction .... 8-1
2 Power supply ...................................... 8-2
2.1 Power Supply ............................. 8-2
2.1.1 Outline ................................. 8-2
2.1.2 Rated Outputs from the Power
Supply PCB ......................... 8-4
2.2 Protective Mechanisms .............. 8-5
2.3 High-Voltage Power Supply
Circuit ........................................ 8-5
xii
CONTROL SYSTEM
COPYRIGHT © 2002 CANON INC.
5.4.2 Removing the Registration
Paper Sensor ...................... 6-32
5.4.3 Removing the Registration
Clutch ................................ 6-33
2.3.3 Conditions for Error
Detection .............................. 7-8
2.4 Protective Mechanism .............. 7-10
3 Disassembly and Assembly .............. 7-11
3.1 Removing the Fixing
Assembly ................................. 7-12
3.2 Cleaning the Inside of the
Fixing Assembly or Replacing
Its Parts .................................... 7-15
3.3 Removing the Delivery Sensor 7-15
3.4 Removing the Pressure Roller . 7-16
3.5 Removing the Fixing Roller/
Fixing Heater/Separation
Claw ......................................... 7-22
3.6 Mounting the Fixing Roller/
Fixing Heater/Separation
Claw ......................................... 7-24
3 Control at Time of Energy
Save Mode .............................................. 8-6
3.1 Outline ....................................... 8-6
3.2 Control ....................................... 8-6
3.3 Operation ............................. 8-8
4 Fan ....................................... 8-9
4.1 Outline ................................. 8-9
4.2 Control ............................... 8-10
4.2.1 Controlling the Speed ........ 8-10
4.2.2 Error Detection .................. 8-11
4.2.3 Sequence of Operation
(fan drive) .......................... 8-11
2001 2001 2001 2001 CANON iR1600/iR2000 REV.1 JAN. 2002