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No.
Sensor Name/
Sensor Board Name
Activ
e
CN
Condition
Symptom
S23
Vertical Transport Sensor
2
L
CN230/B7
Open
Jam A (Jam4, 12)
Shorted
Jam A, B (Jam1)
S15
S16
Tray 1 Paper Height
Sensor 1, 2
L
CN224/
B2, B5
Open/
Shorted
Remaining paper volume
on the LCD is wrong.
S17
S18
Tray 2 Paper Height
Sensor 1, 2
L
CN224/
B10, B13
Open/
Shorted
Remaining paper volume
on the LCD is wrong.
SW4
Tray 1 Set Switch
L
CN224/A9
Open
Tray 1 is not detected when
tray 1 is set.
Shorted
Tray 1 is detected when tray
1 is not set.
S12
By-pass Paper Size
Sensor
L
CN232/
B16, B17,
B19, B20
Open/
Shorted
Paper size error
SW2
By-pass Paper Detection
Sensor
L
CN232/
A15
Open
Paper on the by-pass tray is
not detected when paper is
set.
Shorted
Paper on the by-pass tray is
detected when paper is not
set.
S11
By-pass Paper Length
Sensor
L
CN232/
B12
Open
Paper size error
Shorted
S9
Fusing Entrance Sensor
L
CN232/B6
Open
Jam C (Jam 18)
Shorted
Jam C (Jam 1)
S7
Duplex Entrance Sensor
L
CN232/A8
Open
Jam Z (Jam 26/27)
Shorted
Jam Z (Jam 1)
S8
Duplex Exit Sensor
L
CN232/
A11
Open
Jam Z (Jam 25)
Shorted
Jam Z (Jam 1)
Electrical Component Defects
139
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...