If your HP Officejet Pro 8500 stops responding or displays error messages, a reset is provided. The tip shows you how to trigger different levels.
The printer can no longer be turned on, or it is continually sending error messages, such as “no paper” or “paper jam”, though this is not true. In these cases, only a reset of the device will work. To restore the factory state to the HP Officejet Pro 8500 multifunction device series.
Basically there are different reset levels for printers and multifunction devices. A “Partial” reset – a partial reset – resets all settings for the user and for the country to the delivery state.
Reset without sensor buttons: For HP Officejet Pro 8500 printers without sensor buttons, you can also perform the partial reset without a menu, even if the printer stops responding. Disconnect the power cord from the power supply and wait at least thirty seconds. Now press and hold the “Rhomb” and “3” buttons. At the same time, reconnect the power cord to the power outlet to power the unit. The printer starts. At this moment, you can release the buttons again.
The partial reset is carried out via the service menu of the device: You can go there by simultaneously pressing the “star” and “rhomb” buttons. The message “Enter special key combo” appears in the display. Press the “3”, “2” and “9” keys in sequence to return the unit to the factory state.
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Reset via key buttons: On the HP Officejet Pro 8500 models with sensor keys, the physical keys are missing. Here you can get a partial reset by clicking on “Setup -> Tools -> Factory setting. Restore “.
If this does not solve the problems with the multifunctional device, you can access additional levels of resets on the HP touch-screen models using the support menu. To get there, turn the unit on first and wait for the start screen to appear. Then press the non-illuminated “Back” button four times in succession – this is the Sensator button at the bottom left of the touchscreen. This is how you enter the “Engineering” menu. First, click on the “Support Menu” entry, and use the right arrow key to navigate to the “Reset Menu” option. This is where you can reset the country settings or perform a “semi-full reset”. Note: All settings you have previously made on the device will be lost.
The “hidden menu” gives you another way to reset the device. To get there, it must be off.Then press the power button for five seconds. The touchscreen remains black, but the green LED of the switch is lit. Press once on the non-illuminated “Home” button in the upper left corner. Then press the “Back” button on the bottom left, and then press the “Home” button twice.
The display now shows a blue screen with the four entries “MFG”, “Reflash”, “Audit” and “Menu”. This is the hidden menu. The touchscreen does not work in this mode. The entries are selected using the illuminated sensor buttons. To enter the actual menu, press the red “X” cursor key. Now you will see “Partial Reset” in the screen center. This is the top level of the reset. Under “Next”, the next step of resetting is “Semi Reset”. You can get to it by pressing the question mark. Below are the reset modes “Full Reset” and “OOB Reset”.The latter stands for “Out Of Box Reset”, where all settings and counter readings are reset.Press the “Back” button to start the process.
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Further clicks on “Next” over the question mark lead you to further options of the hidden menu like “Force User Mode” or “No Print Mech”. You have nothing to do with the device reset. You should not change them because none of the functions is documented and therefore the consequences can not be estimated.