Canon C2050 Service Handbook page 86

CHAPTER 2 STANDARDS AND ADJUSTMENTS
Sensor Connector No.
I/O address
S31 (duplex unit) [3]>J502-A4
Re-pickup sensor DC-CON>P008-0 put paper over the sensor.
S33 (duplex unit) [3]>J503-5
Duplex unit DC-CON>P008-2 delivery unit, and put paper
lower sensor
S36 [4]>J655-10
Cassette 3 paper DC-CON>P019-0 and move the sensor flag
sensor
S37 [4]>J655-11
Cassette 4 paper DC-CON>P019-1 move the sensor flag by
sensor
S38 [4]>J655-14
Cassette 3 paper DC-CON>P019-5 high) in cassette 3.
level H sensor
S39 [4]>J655-13
Cassette 3 paper DC-CON>P019-4 high) in cassette 3.
level L sensor
S40 [4]>J655-16
Cassette 4 paper DC-CON>P019-7 high) in cassette 4.
level H sensor
S41 [4]>J655-15
Cassette 4 paper DC-CON>P019-6 high) in cassette 4.
level L sensor
S42 [4]>J655-17
Cassette 3 DC-CON>P020-6 move the sensor flag by
pickup sensor
S43 [4]>J655-18
Cassette 4 DC-CON>P020-7 move the sensor flag by
pickup sensor
S44 [4]>J655-12
Vertical path DC-CON>P018-5 and move the sensor flag
paper sensor
S45 [4]>J656-2
Right door open/ DC-CON>P018-6 cover.
closed sensor
S51 [1]>J114-11
Transfer belt DC-CON>P014-7 and drive the transfer belt. blocking Absent 1
sensor
S52 [2]>J318-12
Post-registration DC-CON>P003-3 cover, and move the sensor blocking Absent 0
sensor
S55 [2]>J318-9
Vertical path DC-CON>P001-0
door open/closed
sensor
2-26P
Checks
Open the front cover, and
Release the face-down
over the sensor.
Slide out the cassette 3,
by hand.
Slide out cassette 4, and
hand.
Put paper (about 10 mm
Put paper (about 10 mm
Put paper (about 10 mm
Put paper (about 10 mm
Slide out cassette 3, and
hand.
Slide out cassette 4, and
hand.
Open the right lower cover, Paper
by hand.
Open/close the right lower Right
Open/close the front cover, Light-
Remove the manual feed
flag using paper or the like. plate
Open/close the right cover. Right
I/O
display reading
Paper Present 1
Absent 0
Paper Present 1
Absent 0
Paper Present 0
Absent 1
Paper Present 0
Absent 1
Paper Present 1
Absent 0
Paper Present 1
Absent 0
Paper Present 1
Absent 0
Paper Present 1
Absent 0
Paper Present 1
Absent 0
Paper Present 1
Absent 0
Present 1
Absent 0
Closed 1
lower Open 0
cover
Present 0
plate
Light- Present 1
Open 0
cover Closed 1
Voltage
5V
0V
5V
0V
0V
5V
0V
5V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V