Canon iR8500 Service Manual page 23

4.1.94 The "Card Reader Set"
message fails to turn
ON ................................... 6-146
4.1.95 The "Card Reader Set"
message fails to go OFF .. 6-146
4.1.96 The "Add Paper" message
fails to go OFF
(deck right/left) ................ 6-147
4.1.97 The "Add Paper Message"
fails to go OFF
(cassette 3/4) .................... 6-147
4.1.98 The fixing heater fails to
operate ............................. 6-148
4.1.99 Pickup fails
(side paper deck) .............. 6-149
4.1.100 The deck lifter fails to move
up (side paper deck) ........ 6-150
5 Troubleshooting Feeding Faults ..... 6-151
5.1 Paper Jams ............................. 6-151
5.1.1 Pickup Assembly ............. 6-152
5.1.2 Separation/Feeding
Assembly ......................... 6-153
5.1.3 Fixing/Delivery
Assembly ......................... 6-154
5.1.4 Fixing, Delivery Assembly
(reversal delivery
assembly) ......................... 6-155
5.1.5 Cleaning Assembly .......... 6-155
5.1.6 Lower Feeding
Assembly ......................... 6-156
5.2 Faulty Feeding ....................... 6-157
5.2.1 Double Feeding ............... 6-157
5.2.2 Wrinkles .......................... 6-157
6 Arrangement and Function of
Electrical Parts ................................ 6-158
6.1 Clutches ................................. 6-158
6.2 Solenoids ................................ 6-160
6.3 Motors .................................... 6-162
6.4 Fans ........................................ 6-164
6.5 Sensor 1 ................................. 6-166
6.6 Sensor 2 ................................. 6-170
6.7 Switches ................................. 6-172
6.8 Counters, Heaters, Fuses,
and Others .............................. 6-174
COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
6.9 PCBs ...................................... 6-176
6.10 Variable Registers (VR),
Light-Emitting Diodes,
and Check Pins by PCB ......... 6-180
6.10.1 Main Controller PCB ....... 6-180
6.10.2 Reader Controller PCB
(iR8500) ........................... 6-181
6.10.3 Reader Controller PCB
(iR7200) ........................... 6-181
6.10.4 DC Controller PCB ......... 6-182
6.10.5 HV-DC PCB .................... 6-183
7 Upgrading ....................................... 6-184
7.1 Outline ................................... 6-184
7.1.1 Download Mode .............. 6-184
7.1.2 Making Pre-Checks ......... 6-185
7.2 Data Control ........................... 6-188
7.3 Downloading the System
Software, RUI, and Language
Module ................................... 6-191
7.3.1 Making Connections ........ 6-191
7.3.2 Downloading ................... 6-191
7.3.3 After Downloading .......... 6-197
7.4 Upgrading the BOOT ROM ... 6-197
7.4.1 Making Preparations ........ 6-197
7.4.2 Connection ....................... 6-198
7.4.3 Preparing BOOT ROM .... 6-198
7.4.4 After Downloading .......... 6-202
7.5 Formatting the HDD .............. 6-203
7.5.1 Making Connections ........ 6-203
7.5.2 Starting Formatting .......... 6-203
7.5.3 Points to Note
When Formatting
the Hard Disk ................... 6-209
7.6 Upgrading by Replacing
the DIMM/ROM .................... 6-210
8 Backing Up Data ............................ 6-212
8.1 Outline ................................... 6-212
8.2 Backing Up Data .................... 6-213
8.2.1 Making Preparations ........ 6-213
8.2.2 Making Connections ........ 6-213
8.2.3 Backing Up Data ............. 6-214
8.2.4 Downloading Backup
Data .................................. 6-219
8.2.5 Managing Backup Data ... 6-223
CONTENTS
xxi