Canon Vizcam 1000, Service Manual

Page: 605 / 840

COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
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7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
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Name
Image position correction PCB
Image position correction CCD PCB
Control panel PCB
Control panel family PCB
DC controller PCB
Video controller PCB
Reader unit controller PCB
Hopper relay PCB
IP motherboard
Image processor PCB
IP-ECO PCB
ED board A1
IP memory PCB
DRAM memory (option)
Multifeeder relay PCB
Environment measurement PCB
Interface motherboard PCB
Interface board B1/B2
Tandem interface PCB (option)
Potential measurement PCB
Analog processor PCB
Preview monitor board/monitor I/F PCB (option)
Transfer belt motor driver PCB
AC driver PCB
Scanner motor driver PCB
Oil level detection PCB
Lamp regulator
HVT1
HVT2
HVT3-A (rear)
HVT3-B
HVT3-A (front)
HVT4
HVT5
Pick-up motor driver PCB
DC power supply PCB 2
DC power supply PCB 1 (upper)
DC power supply PCB 1 (lower)
Function/name
Corrects and controls image position.
Drives the CCD for image position correction.
Controls the control panel.
Controls the control panel.
Controls the sequence of operations for the
printer unit.
Controls video signals.
Controls the sequence of operations for the
reader unit.
Controls the toner sensor of the hopper
assembly.
Relays digital image signals.
Processes digital images.
Processes digital images.
Controls the editor.
Compresses and stores digital image data.
Stores image data from external devices.
Relays multifeeder control signals.
Measures the machine inside temperature
humidity.
Relays communication control signals for
external devices.
Controls communication with external devices.
Controls communication in a tandem configu-
ration.
Measures the potential of the drum surface.
Processes analog images.
Controls the monitor.
Controls the transfer belt motor.
Controls AC loads.
Controls the scanner motor.
Detects the level of fixing oil.
Drives the scanning lamp.
Controls the high voltage for the transfer/
internal static eliminating assembly.
Controls the high voltage for the primary/pre-
primary charging assembly.
Controls the high voltage for the developing
bias DC component (for Y, M).
Controls the high voltage for the developing
bias AC component/ to prevent stray toner.
Controls the high voltage for the developing
bias DC component (for C, K).
Controls the high voltage for the separation
charging assembly.
Controls the high voltage for the pre-fixing
charging assembly.
Pick-up motor control
Supplies power supply at night
Supplies power to various loads.
Supplies power to various loads.