Toshiba B-852-R manual Disconnect the PSU harness from CN4 on the PS unit

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2. MAJOR UNIT REPLACEMENT

EO18-33018

(Revision Date: May 21, 2007)

2.10 Replacing the PS Unit and Reactor

5)Disconnect the PSU harness from CN4 on the PS unit.

PS Unit

PSU Harness

 

 

 

CN4

6)Disconnect the harnesses from CN1 on the PS unit. For the QP and CN models, disconnect the harness from CN2, too.

7)Remove the two SMW-4x8 screws to detach the PS unit from the PSU base.

8)Remove the SMW-4x8 screws to detach the reactor from the PSU base. (QP and CN models)

CN2

 

Inlet Harness

B

A

CN1

 

 

SMW-4x8 Screw

 

SMW-4x8 Screw

 

 

 

 

Reactor (QP and CN models)

PS Unit

 

Reactor Harness

 

 

 

 

B

 

 

PSU Base

 

 

A

2-21

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Contents Series Table of Contents Unpacking ProcedureChecks Opening and Removing the Covers Major Unit ReplacementLubrication Replacing the Main PC Board Remove the two SMW-4x8 screws, SMW-3x6 screw and B-3x6 screw Main PC Board 3x6 Screw Main PCB Support Frame SMW-3x6 Replacing the Panel PC Board Major Unit Replacement Replacing the Stepping Motor Pulley Motor Gear Stepping Motor Replacing the Head Up Sensor Replacing the Slit Sensor Rewind/Feed Replacing the Ribbon Motor Rewind/Feed Major Unit Replacement Replacing the Platen Platen Shaft Holder Feed Gap Sensor TR and Black Mark Sensor Upper Side Replacing the Media SensorFeed Gap Sensor LED and Black Mark Sensor Lower Side Pass the media sensor harness between the harness guides Replacing the Print Head Replacing the PS Unit and Reactor Disconnect the PSU harness from CN4 on the PS unit Inlet Periodic Maintenance Procedure Periodic Maintenance Procedure Replacement Periodic Maintenance Procedure Troubleshooting Toshiba TEC