Toshiba B-450-R manual Replacing the Sensor PCB LED

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2. MAJOUR UNIT REPLACEMENT

EO18-33021

2.5. REPLACING THE MEDIA SENSOR

2.5.2 Replacing the Sensor PCB (LED)

1)Open the Top Cover.

2)Remove the two PT-3x10 screws to detach the Side Cover L.

Top Cover

PT-3x10 Screw

Side Cover L

 

 

3)Disconnect KEY/LED Harness from connector CN13 on the CPU PC Board.

CN13

CPU PC Board

KEY/LED Harness

Side Cover L

 

4)Remove the PT-3x10 screw and detach the Side Cover R from the printer.

PT-3x10 Screw

Side Cover R

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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
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