Reader Unit; Printer Unit - Canon Image Reader-A1 iR5000i Service Manual

6.7.1 Reader Unit

Ref. Name
12 Reader controller PCB
13 CCD/AP PCB
15 Inverter PCB
25 Fuse PCB
30 Differential PCB

6.7.2 Printer unit

Ref. Name
1 DC controller PCB
2 DC power supply PCB
3 AC driver PCB
4 Motor driver PCB
5 HVT PCB
6 Potential control PCB
7 Drum heater control PCB
8 Accessories power supply PCB Supplies power to the finisher.
9 Duplex driver PCB
10 Control panel PCB
11 Laser driver PCB
14 BD PCB
17 Control panel CPU PCB
18 LCD contrast adjustment PCB Adjusts the contrast of the control panel.
20 Serial number PCB
21 Anti-rush current PCB
22 Capacitor PCB
23 Fixing/feeding relay PCB
24 Main controller PCB
26 Differential PCB
27 RISER PCB
28 LIPS PCB
29 Ethernet PCB
COPYRIGHT © 2001 CANON INC.
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
Controls the reader unit/ADF.
Drives the CCD/processes analog images.
Controls the scanning lamp.
Controls the mirror/lens heater. (standard in 100-V
model)
Signal conversion
Controls the power supply of the printer unit/fin-
isher.
Supplies DC power.
Controls the AC circuit.
Controls the motor.
Generates high-voltage.
Controls the surface potential of the photosensitive
drum.
Controls the drum heater.
Controls the sensor, motor, and solenoid of the du-
plex unit.
Controls the keys and LEDs.
Controls the laser drive.
Detects the laser beam.
Controls the control panel.
Controls the serial number.
Prevents rush current in the fixing/feeding assem-
bly and the duplex unit.
Removes noise.
Relays signals of sensors and motors of the fixing/
feeding unit.
Processes digital images/controls the system.
Signal conversion
Connecting board
LIPS board
Ethernet board
2000 2000 2000 2000
Function
Function
CANON iR5000i/iR6000i REV.0 JUNE 2001
4-73 T