
No.
Sensor Name/
Sensor Board Name
Activ
e
CN
Condition
Symptom
S12
Registration Sensor
L
CN224/A2
Open
Jam A (Jam8, 17)
Shorted
Jam A, B (Jam1)
S30
Drum Gear Position
Sensor-K
H
CN222/A2
Open/
Shorted
SC380/SC396
S31
Drum Gear Position
Sensor-M
H
CN222/ A5
Open/
Shorted
SC380/SC397
S32
Drum Gear Position
Sensor-C
H
CN222/ A8
Open/
Shorted
SC380/SC398
S33
Drum Gear Position
Sensor-Y
H
CN222/ A11
Open/
Shorted
SC380/SC399
S26
S27
S28
S29
Toner End Sensor - K
Toner End Sensor - Y
Toner End Sensor - C
Toner End Sensor - M
L
CN207/A1
CN207/B9
CN207/
B12
CN207/
B15
Open
Toner end cannot be
detected.
Shorted
Toner end is detected when
there is enough toner.
S34
Image Transfer Belt
Rotation Sensor
H/L CN208/11
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
7. Appendix: Electrical Component Defects
128
7
Summary of Contents for AP-P2 G188
Page 1: ...Model AP P2 Machine Code G188 G189 Field Service Manual January 2009 Subject to change ...
Page 2: ......
Page 12: ...Electrical Component Defects 253 INDEX 255 10 ...
Page 22: ...1 Product Information 20 1 ...
Page 43: ...Item SP No Function Default Printer Installation 41 2 ...
Page 100: ...3 Preventive Maintenance 98 3 ...
Page 111: ...Left Cover 1 Left cover A x 6 Rear Cover 1 Rear cover A x 6 Exterior Covers 109 4 ...
Page 116: ...2 Filter B 3 Ozone filter C 4 Replacement and Adjustment 114 4 ...
Page 174: ...6 Development clutch K A x 1 4 Replacement and Adjustment 172 4 ...
Page 243: ...Controller Self Diagnostics 241 5 ...
Page 250: ...5 System Maintenance Reference 248 5 ...
Page 256: ...6 Troubleshooting 254 6 ...
Page 257: ...Model AP P2 Machine Code G188 G189 Appendices January 2009 Subject to change ...
Page 258: ......
Page 282: ...1 Appendix Specifications 24 1 ...
Page 286: ...2 Appendix Preventive Maintenance Tables 28 2 ...
Page 358: ...3 Appendix Service Call Conditions 100 3 ...
Page 374: ...5 Appendix Troubleshooting Guide 116 5 ...
Page 383: ...Sensor Locations Jam Detection 125 6 ...
Page 384: ...6 Appendix Jam Detection 126 6 ...
Page 392: ...7 Appendix Electrical Component Defects 134 7 ...