How to enable the Technical Service Mode
To Enable the printer's technical service mode, follow these steps:
1. Click on the top right button to access the printer's information menu. In that menu, press the Unit Information button
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2. Press and hold the text that shows the three software versions until a pop up appears showing the message "Technical service mode Enabled"
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3. A new option will appear under Utilities/Printer Setup/Technical Service Mode
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