There are several Control Panel configurations that support configuring the Remote Firmware Upgrade settings.
Products with a color touch screen, two line LCD display or graphical LCD
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Select Setup menu.
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Select Service.
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Select RFU.
ON – allows a firmware update to be downloaded to the printer
OFF – refuses firmware updates (can be changed to ON from within the firmware update utility)
OFF AND LOCKED – refuses firmware updates (can only be changed to ON from the product control panel)
Products without a display
HP LaserJet P2035:
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Press the Cancel button for 10 seconds to enter the RFU enable/disable mode.
(The printer flashes the Ready, Attention, and Go LED’s.)
(The remaining 3 LEDs indicate the current RFU state.)
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Press the Go button to cycle through the 4 possible RFU states. Pressing the Go button will cause the printer to move to the next state. The below LEDs signal the current state:
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If the Paper Out LED is illuminated, RFU is enabled.
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If the Toner Low LED is illuminated, RFU is disabled.
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If the Paper Jam LED is illuminated, RFU is locked.
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If none of the above LEDs are illuminated, the printer is in cancel mode.
Exiting RFU enable/disable will return the printer to its previously saved configuration.
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Press the Cancel button once to save the current RFU setting.
HP LaserJet Pro CP1025nw:
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Hold the Go and Yellow buttons for 10 seconds.
(The Ready and Attention LED’s start to blink.)
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Release the Go and Yellow buttons.
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The below LEDs signal the current state:
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If the Magenta LED is illuminated, RFU is enabled.
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If the Cyan LED is illuminated, RFU is disabled.
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If the Black LED is illuminated, RFU is locked.
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Press the corresponding toner button for the desired setting.
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Press the Go/Cancel button again to save changes.
HP LaserJet P1500n:
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Press the Cancel button for 10 seconds to enter the RFU enable/disable mode.
(The printer flashing the GO (first) LED.)
(The current RFU mode LED will be illuminated (see below).)
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Press the Go button to cycle through the 4 possible RFU states. Pressing the Go button will cause the printer to move to the next state. The below LEDs signal the current state:
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If the Ready LED is illuminated, RFU is enabled.
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If the Attention LED is illuminated, RFU is disabled.
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If the Toner LED is illuminated, RFU is locked.
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If none of the above LEDs are illuminated, the printer is in cancel mode. Exiting RFU enable/disable will return the printer to its previously saved configuration.
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Press the Cancel button once to save the current RFU setting.