Toshiba B-450-R manual CN9 CN5 CN2 CN1

Page 5

2. MAJOUR UNIT REPLACEMENT

EO18-33021

2.1. REPLACING THE CPU PC BOARD

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

PT-3x10 Screw

Side Cover R

5)Disconnect the seven harnesses from CN1, CN2, CN5, CN8 to CN10, and CN500 on the CPU PC Board.

6)Remove the T-3x10 screw and the Ground Wire to detach the CPU PC Board.

CPU PC Board

CN9

CN5

CN2

CN1

CN500 CN8

CN10

T-3x10 screw

Ground Wire

 

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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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