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No.
Sensor Name/
Sensor Board Name
Activ
e
CN
Condition
Symptom
S33
Drum Gear Position
Sensor-Y
H
CN222/ A11
Open/
Shorted
SC390-04/SC396-04
S26
S27
S28
S29
Toner End Sensor - K
Toner End Sensor - Y
Toner End Sensor - C
Toner End Sensor - M
L
CN207/B14
CN207/B3
CN207/
B9
CN207/
B6
Open
Toner end cannot be
detected.
Shorted
Toner end is detected
when there is enough
toner.
S34
Image Transfer Belt
Rotation Sensor
H/L CN206/3
Open/
Shorted
SC443
S19
Vertical Transport
Sensor 1
L
CN230/A7
Open
Jam A (Jam3, 11)
Shorted
Jam A, B (Jam1)
S20
S24
Paper End
Sensor 1, 2
L
CN230/
A10, B10
Open
Paper end is not detected
when there is no paper in
the paper tray.
Shorted
Paper end is detected
when there is paper in the
paper tray.
S21
S25
Paper Lift Sensor 1, 2
H
CN230/
A13, B13
Open/
Shorted
SC501, SC502
S23
Vertical Transport
Sensor 2
L
CN230/B7
Open
Jam A (Jam4, 12)
Shorted
Jam A, B (Jam1)
S14
S15
Tray 1 Paper Height
Sensor 1, 2
L
CN224/
B2, B5
Open/
Shorted
Remaining paper volume
on the LCD is wrong.
S16
S17
Tray 2 Paper Height
Sensor 1, 2
L
CN224/
B10, B13
Open/
Shorted
Remaining paper volume
on the LCD is wrong.
S18
Tray 1 Paper Feed
Sensor
L
CN230/A4
Open/
Shorted
Jam A, B
6. Troubleshooting
908
Summary of Contents for AP-C3
Page 1: ...Model AP C3 Machine Code D143 D144 Field Service Manual January 2012 Subject to change...
Page 2: ......
Page 24: ...22...
Page 26: ...Product Overview Component Layout 1 Product Information 24...
Page 36: ...1 Product Information 34...
Page 130: ...11 Reassemble the machine 2 Installation 128...
Page 158: ...2 Installation 156...
Page 249: ...21 Pulley A timing belt 22 Gear unit A x 8 Drive Unit 247...
Page 259: ...5 Disconnect the connector A x 1 x 1 6 Duplex by pass motor bracket A x 2 Drive Unit 257...
Page 268: ...6 Development clutch K A x 1 4 Replacement and Adjustment 266...
Page 323: ...5 Remove the controller box stay A x 4 6 IOB bracket A x 4 x All Electrical Components 321...
Page 336: ...2 Controller board A x 7 x 3 4 Replacement and Adjustment 334...
Page 366: ...3 Remove the bracket A x 1 x 1 4 Release the harness A x 1 4 Replacement and Adjustment 364...
Page 880: ...6 Troubleshooting 878...
Page 890: ...Flow Chart for the Toner End Recovery Error 6 Troubleshooting 888...
Page 908: ...Sensor Locations 6 Troubleshooting 906...
Page 922: ...6 Duplex with combine mode SP 8421 005 pages 7 Energy Saving 920...
Page 923: ...Model AP C3 Machine Code D143 D144 Appendices January 2012 Revised...
Page 924: ......
Page 928: ...4...
Page 960: ...1 Appendices 36...
Page 1330: ...1106 1 Toner Limit Value CTL 100 to 400 260 1 step 3 SP Mode Tables 406...