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4CP170R Rev2
(4C35/3905 Service Manual)
Page 2 of 2
CAUTION:
Do not attempt to
remove the cover from the unit
until the fan is disconnected.
3. Disconnect the ribbon cable (C) and power
cable (5 wires) (D) from the printer PCB
assembly and remove the connectors (E)
attached to the main harness from the PCB
assembly.
4. Remove the four retaining screws and
associated hardware.
5. Install the replacement PCB by reversing
steps 1-4.
C
E
F
C
E
D
D
Summary of Contents for 3900
Page 1: ...3905SM Rev14 050415 The Advanced Osmometer Model 3900 Service Manual ...
Page 2: ......
Page 5: ...1 Introduction ...
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Page 13: ...2 General Overview ...
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Page 15: ...The Advanced Model 3900 Service Manual 15 Circuit Diagram ...
Page 20: ...20 The Advanced Model 3900 Service Manual Notes ...
Page 21: ...3 Maintenance ...
Page 22: ......
Page 25: ...4 Troubleshooting ...
Page 26: ......
Page 36: ...36 The Advanced Model 3900 Service Manual Notes ...
Page 37: ...5 Adjustments ...
Page 38: ......
Page 41: ...6 Replacement Instructions ...
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Page 113: ...4CP450 Rev1 4C35 3905 Service Manual Page 3 of 3 E J12 J3 J11 J13 ...
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Page 154: ...4CP446 Rev0 4C35 3905 Service Manual Page 2 of 2 C D E ...
Page 159: ...7 Schematics ...
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Page 169: ...Appendix A Symbol Definitions ...
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Page 173: ...Appendix B Product Disposal and Recycling ...
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Page 176: ...The Advanced Model 3900 Service Manual Notes ...
Page 177: ...Appendix C Service Log ...
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Page 180: ...Symptoms or Problems Repairs Replacements or Changes Serviced by ...
Page 181: ...Index ...
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