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Chapter 7 Wiring Diagrams and Signal Information
Version 1 2007.12.28
- LVPS overcurrent protection circuit
This circuit stops all outputs, if the power supply voltage 24VDC, 5VDC, or 3.3VDC is shorted.
The circuit is reset, when after the cause of short was removed, the power is turned off, and then
on again after certain time.
- LVPS overvoltage protection circuit
This circuit stops all outputs, if the power supply voltage 24VDC, 5VDC, or 3.3VDC exceeds the
specified voltage respectively.
At this time, the operating point is 32VDC(TBD) or less for 24VDC, 7VDC(TBD) or less for 5VDC,
or 4.4VDC(TBD) or less for 3.3VDC.
The circuit is reset, when the power is turned off, and then on again after certain time.
- Sleep mode and deep sleep mode
The output of the following power supply are stopped according to the these signals.
Signal line name
Description
LV TYPE
DEEP SLEEP
SLEEP
24V OFF
Control signal of the LVPS
FAN STOP
FAN LOW
FAN ALARM
Drive control signal of the SIDE FAN
Output
+24VDC
+5VDC
+3.3VDC
Signal
Sleep
OFF
OFF
ON
Deep sleep
OFF
OFF
OFF
Summary of Contents for 3130cn - Color Laser Printer
Page 1: ...Dell 3130cn Service Manual 21 Aug 2009 ...
Page 12: ...vii Version 3 2008 05 30 4 5 2 Caution label for toner cartridges Zna00005KB ...
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Page 14: ...ix Version 3 2008 05 30 4 5 3 Caution label for MPF Zna00008KB ...
Page 15: ...x Version 3 2008 05 30 4 5 4 Caution label for print head Zna00009KA ...
Page 16: ...xi Version 1 2007 12 28 4 5 5 Caution label for transfer belt Zna00007KA ...
Page 17: ...xii Version 1 2007 12 28 4 5 6 Caution label for duplex Zna00011KA ...
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Page 306: ...1 280 Chapter 1 Troubleshooting Version 1 2008 02 15 Zna02119KA ...
Page 364: ...2 10 Chapter 2 Operation of Diag Version 1 2007 12 28 Kmy02042KA Duplex Jam Sensor DI 1 ...
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Page 673: ...4 11 Chapter 4 Plug Jack P J Connector Locations Version 1 2007 12 28 Blank page ...
Page 675: ...Chapter 5 Parts List Chapter 5 Parts List CONTENTS Version 3 2008 05 30 Blank Page ...
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Page 753: ...6 29 Chapter 6 Principles of Operation Version 3 2008 05 30 3 5 2 Reference diagram ...
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Page 785: ...6 61 Chapter 6 Principles of Operation Version 1 2007 12 28 TONER CARTRIDGE Kmy06022KA ...
Page 787: ...6 63 Chapter 6 Principles of Operation Version 1 2007 12 28 PAPER HANDLING Kmy06020KA ...
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Page 791: ...6 67 Chapter 6 Principles of Operation Version 1 2007 12 28 550 OPTION FEEDER Kmy06024KA ...