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No.
Sensor Name/
Sensor Board Name
Activ
e
CN
Condition
Symptom
S6
Temperature/
Humidity Sensor
A
CN231/
25, 27
Open/
Shorted
SC498
Printed image has some
problems such as rough
image, dirty background,
weak image or poor fusing.
S47
Thermopile
A
CN209/16
Open/
Shorted
SC541
TH2
Thermistor
- Heating Roller
A
CN212/22
Open/
Shorted
SC551
TH1
Thermistor
- Pressure Roller
A
CN212/18
Open/
Shorted
SC561
S3
Paper Exit Sensor
L
CN204/9
Open
Jam C (Jam 20)
Shorted
Jam C (Jam 1)
S5
Paper Overflow Sensor
L
CN204/15
Open
Paper overflow message is
not displayed when the
paper overflow condition
still remains.
Shorted
Paper overflow message is
displayed when the paper
overflow condition does not
remain.
S41
Original Width Sensor 1
A
CN313/14
SIO
Open/
Shorted
Original paper size cannot
be detected.
Sxx
Original Width Sensor 2
A
CN313/11
SIO
Open/
Shorted
Original paper size cannot
be detected.
Sxx
Original Length Sensor 1
A
CN313/8
SIO
Open/
Shorted
Original paper size cannot
be detected.
Sxx
Original Length Sensor 2
A
CN313/5
SIO
Open/
Shorted
Original paper size cannot
be detected.
Electrical Component Defects
141
7
Summary of Contents for MPC 2800 AT-C2
Page 1: ...Model AT C2 Machine Code D023 D025 Field Service Manual July 2008 Subject to change...
Page 2: ......
Page 16: ...Overview Component Layout 1 Product Information 14 1...
Page 152: ...2 Installation 150 2...
Page 156: ...3 Preventive Maintenance 154 3...
Page 171: ...Left Cover 1 Left cover A x 6 Rear Cover 1 Rear cover A x 8 Exterior Covers 169 4...
Page 176: ...3 Ozone filters A in the right top cover 4 Replacement and Adjustment 174 4...
Page 243: ...3 Toner transport motor A x 3 x 1 Toner Collection Unit 1 Gear Unit p 228 Drive Unit 241 4...
Page 249: ...6 Development clutch K A x 1 Drive Unit 247 4...
Page 265: ...8 Thermopile F x 2 x 1 Fusing 263 4...
Page 287: ...Controller Box Open I ITB Power Supply Board Electrical Components 285 4...
Page 327: ...Controller Self Diagnostics 325 5...
Page 354: ...MEMO 352...
Page 355: ...Model AT C2 Machine Code D023 D025 Appendices July 2008 Subject to change...
Page 356: ......
Page 359: ...SP1 xxx System and Others 496 SP2 XXX Scanning image quality 496 3...
Page 360: ...4...
Page 396: ...2 Appendix Maintenance Tables 40 2...
Page 474: ...4 Appendix Process Control Error Conditions 118 4...
Page 476: ...5 Appendix Troubleshooting Guide 120 5...
Page 484: ...5 Appendix Troubleshooting Guide 128 5...
Page 492: ...Sensor Locations 6 Appendix Jam Detection 136 6...
Page 500: ...7 Appendix Electrical Component Defects 144 7...
Page 854: ...MEMO 498...
Page 855: ...MEMO 499...
Page 856: ...MEMO 500 EN...