This article mainly introduces the HP Color LaserJet 5550printerSeries how to unlock the locked panel menu.
Solution
Unlock the 5550 printer to its factory value.The following is the method to restore the factory value:
Turn off the printer.Then turn on the machine. When two lines of "*" appear on the printer screen, quickly press the √ key until all three lights are on. Release the √ key, and the panel displays selectIn language, press the arrow to select cold reset, and press the √ key.The printer starts to restore the factory value, and automatically restarts the printer to return to the ready state.
Use the webjet admin software to unlock.NOTE:This method is only applicable to network connection, not parallel connection.
The specific methods are as follows:
Download the webjet admin 8.1 software from the hp website and install it.Run this software in the open interface: Device Management - Find5550 printer configuration security control panel access unlock ok.