Forgot Administrator Password of Printer
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Initialize the printer settings as follows.
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Press Setup button.
The Setup menu screen appears.
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Select Device settings and press OK button.
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Select Reset setting and press OK button.
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Select All data and press OK button.
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Check displayed message and press OK button.
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Check displayed message, select Yes and then press OK button.
After initializing the printer settings, redo setup.
Click here and redo setup.