Toshiba B-450-R manual Replacing the Print Head

Page 14

2. MAJOUR UNIT REPLACEMENT

EO18-33021

2.4. REPLACING THE PRINT HEAD

2.4 REPLACING THE PRINT HEAD

CAUTION: 1. NEVER touch the element when handling the print head.

2.NEVER touch the connector pins Touching them may cause a static electric discharge which will damage the print head.

1)Open the Top Cover.

2)Push down the Head Release Lever R to open the Print Head Block.

Print Head Block

Head Release Lever R

3)Disconnect the two Print Head Harnesses. Then, pull the Print Head Ass’y upward while pulling the Knob.

NEVER touch the element when handling the print head.

Print Head Ass’y

Print Head Ass’y

HarnessKnob

4)Replace the Print Head with a new one, and then reassemble in the reverse order of removal.

2- 11

Page 13 Page 15
Image 14
Page 13 Page 15
Contents Series Table of Contents Procedure ChecksMajor Unit Replacement Replacing the CPU PC BoardCN9 CN5 CN2 CN1 Release the two Hooks securing the Printer Unit Remove the SMW-3x6 screw, N-3 Nut and Ground Plate Replacing the Motor Ribbon 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 Media Sensor Replacing the Sensor PCB TRSensor 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
Top Page Image Contents