Remove the control box on the GT 541

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Replacing Control Box

When the PCB's inside is replaced, use GTService Tool to readjust firmware controls. Prepare a voltmeter (tester) and a thermometer and refer to the pages concerned.

 

(1) Remove Power code

(2) Remove Operation Panel

     Remove 4 Screws at both sides.

Unscrew the Print SW counterclockwise. Do not miss the black rubber ring inside

Disconnect FFC Harness of CN4: PANEL and CN2: PRT SW and remove Operation Panel.

Confirm the direction of insertion and the lock/unlock mechanism

 

(3) Remove covers.

Unscrew 2 screws of CF cover

Remove Frame Front Cover. (Remove 3 rubber caps and unscrew 7 screws.)

Unscrew 6 screws remove Frame Cover (Right)

(4) Remove Box cover

       Unscrew 4 screws

Remove the clamp and pull out the cover.

<note>

Do not soil FFC connectors with grease nor damage. Do not touch connectors with bare hands.

(5) Disconnect Harnesses on Main PCB.

     Disconnect Harness CN4: CR MOT&JAM

 Do not soil FFC connectors with grease nor damage. Do not touch connectors with bare hands.  Disconnect FFC Harness of CN4:PANEL and CN2:PRT SW

and remove Operation Panel.

6. Replacing Parts

GT-541

190

6-2-7. Replacing Control Box

When the PCBs inside are replaced, use GTService To

ol to readjust firmware controls. Prepare a

voltmeter (tester) and a thermometer and refer to t

he pages concerned.

(1) Remove Power code.

(2) Remove Operation Panel.

Remove 4 screws at both sides.

When the PCBs inside are replaced, use GTService To

ol to readjust firmware controls. Prepare a

voltmeter (tester) and a thermometer and refer to t

he pages concerned.

6. Replacing Parts

GT-541

190

6-2-7. Replacing Control Box

When the PCBs inside are replaced, use GTService To

ol to readjust firmware controls. Prepare a

voltmeter (tester) and a thermometer and refer to t

he pages concerned.

6. Replacing Parts

GT-541

190

6-2-7. Replacing Control Box

When the PCBs inside are replaced, use GTService To

ol to readjust firmware controls. Prepare a

voltmeter (tester) and a thermometer and refer to t

he pages concerned.