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AC Power Outlet. 120VAC. Neutral. Hot. <2VAC. 120VAC. Ground. Surge Protector. Power is dirty. Micro Processor technology is venerable to power surges. PROTECT IT !!. PCU Operations Sensor Input. Sensor. Change of state measured here. PCU PWB. Signal. 5V. Gnd. DC Power

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Ac power outlet
AC Power Outlet

120VAC

Neutral

Hot

<2VAC

120VAC

Ground


Surge protector
Surge Protector

  • Power is dirty.

  • Micro Processor technology is venerable to power surges. PROTECT IT !!


Pcu operations sensor input
PCU OperationsSensor Input

Sensor

Change of state

measured here

PCU

PWB

Signal

5V

Gnd

DC Power

Supply PWB


Pcu operations thermistor input
PCU OperationsThermistor Input

PCU PWB

Fuser Roller

Voltage

monitored

here

Thermistor

Temperature increases

Resistance decreases

5V


Pcu operations interlock circuit
PCU OperationsInterlock Circuit

Door Sw

Door Sw

HVU PWB

Motors

24V

DC Power

Supply

Voltage monitored here

PCU PWB


Pcu operations load component output
PCU OperationsLoad Component Output

PCU PWB

Control

Signal

Component

24V

DC Power Supply


DIMM 3

DIMM 4

DIMM 1

DIMM 2


DIMM 3

DIMM 4

Flashroms

DIMM 1

DIMM 2


MFP pwb Flashroms

Boot

Program

PCL/PS

Barcode

Fax Memory


HDD Partitions

?

Operation Manuals

?

?




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