Canon CLC5100 Series, Manual

Page: 83 / 290

Chapter 2
2-31
4) Make copies, and check the images.
If the image is better, suspect a fault in the
environment sensor or the environment
measurement PCB.
5) Return the setting of 'VONT' of 'ADJMISC' under
'ADJUST' in service mode to '0'.
2.7.11 Checking the
Photointerrupters
0002-5940
CLC5100 / CLC4000
The machine allows you to use a conventional meter
or service mode when checking its photointerrupters.
a. Using a Meter
1) Set the meter to the 30VDC range.
2) Connect the probe of the meter to J1017 (GND)
of the DC control PCB.
3) Connect the + probe to the terminals (on the DC
controller PCB or the deck controller PCB) shown
on the pages that follow.
4) Make checks according to the instructions given.
b. Using Service Mode
1) Start service mode.
2) Press 'DISP'.
3) Press 'SENSOR'.
4) Make checks as indicated.
F-2-49
T-2-9
Adress bit7
bit0
Sensor Name
Service
mode
Checks
PS1 Registration
paper sensor
800006
ޓ
bit0
During
copying,
'1' if paper is
present over
the
registration
paper sensor.
'0' if absent.
PS2 Multifeeder
lifter sensor
(upper)
80000A
ޓ
bit2
After the
multifeeder
has been
selected and
the Start key
has been
pressed,
'1' when the
lifter of the
multifeeder
moves up.
PS3 Multifeeder
lifter sensor
(lower) 80000A
ޓ
bit3
During
standby,
'1' if the lifter
of the
multifeeder
is down.
PS4 Multifeeder
paper width
sensor (front) 80000B
ޓ
bit0
During
standby,
'1' when
paper is set
in the
multifeeder.
PS5 Multifeeder
paper width
sensor (rear)
80000B
ޓ
bit1
During
standby,
'1' when
paper is set
in the
multifeeder.