Canon CLC 5000, Service Manual

Page: 419 / 757

COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON CLC5000 REV.0 JAN. 2001
CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
5-62
Sensor
PS 1
PS 2
PS 3
PS 4
PS 5
PS 6
PS 8
PS 9
PS 10
PS 11
Name
Registration paper
sensor
Multifeeder lifter
sensor (upper)
Multifeeder lifter
sensor (lower)
Multifeeder paper
width sensor (front)
Multifeeder paper
width sensor (rear)
Oil level sensor
Pre-duplex feeding
sensor 1
Pre-duplex feeding
sensor 2
Transfer belt clean-
ing web rotation
sensor
Transfer belt clean-
ing web length sen-
sor
Service mode
800006 bit 0
80000A bit 2
80000A bit 3
80000B bit 0
80000B bit 1
80000E bit 2
800007 bit 6
800007 bit 7
80000F bit 7
80000E bit 0
Checks
During copying,
•
‘1’ if paper is present over the registra-
tion paper sensor.
•
‘0’ if absent.
After the multifeeder has been selected and
the Start key has been pressed,
•
‘1’ when the lifter of the multifeeder
moves up.
During standby,
•
‘1’ if the lifter of the multifeeder is
down.
During standby,
•
‘1’ when paper is set in the
multifeeder.
During standby,
•
‘1’ when paper is set in the
multifeeder.
•
‘1’ if the arm is over the sensor.
•
‘0’ otherwise.
•
‘1’ if paper is present over the pre-du-
plex feeding sensor.
•
‘0’ if absent.
•
‘0’ if paper is present over the pre-du-
plex feeding sensor 2.
•
‘1’ if absent.
Slide out the transfer unit, and open the
transfer belt assembly. Close the transfer
belt assembly by blocking the light of
PS10 by paper; and set the transfer unit to
the copier.
•
‘1’ when the power is ON.
•
‘0’ when the light is not blocked.
Slide out the transfer unit, and open the
transfer belt assembly. Close the transfer
belt assembly by blocking the light of
PS11 by paper; and set the transfer unit to
the copier.
•
‘1’ when the power is ON.
•
‘0’ when the light is not blocked.
4) Set the laser power checker switch to ‘2’.