Remove the control box on the GT 541
customer
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.
(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
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.
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