Toshiba B-450-R manual Power Switch Inlet Ass’y

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2. MAJOUR UNIT REPLACEMENT

EO18-33021

2.3. REPLACING THE PS UNIT

10)Push both sides of the Power Switch with something like pliers and remove it from the frame of the PS Unit. Disconnect the Inlet Ass’y from CN1 on the PS Unit.

Power Switch

Inlet Ass’y

Inlet Ass’y

(Connector)

 

CN1

11) Remove the SMW-3x4 screw to detach the Fan Motor Attachment Plate from the PS Unit.

SMW-3x4 Screw

Fan Motor Attachment Plate

 

12)After replacing the individual part with a new one as necessary, reassemble in the reverse order of steps 8) to 11).

2- 10

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Contents Series Table of Contents Checks ProcedureReplacing the CPU PC Board Major Unit ReplacementCN9 CN5 CN2 CN1 Release the two Hooks securing the Printer Unit Remove the SMW-3x6 screw, N-3 Nut and Ground Plate Ribbon Motor Replacing the MotorStepping Motor Replacing the PS Unit Hook PS Unit Printer Block Bottom Cover Detach the PS Unit from the Bottom Cover Power Switch Inlet Ass’y Replacing the Print Head Replacing the Sensor PCB TR Replacing the Media SensorSensor PCB TR Connector Sensor Holder Harness Rivet Replacing the Sensor PCB LED Release the two Hooks securing the Printer Unit Printer Unit Harness Rivet Sensor PCB LED Troubleshooting