The firmware upgrade operation updates or replaces device operating system code on HP printers and multi-function devices, and is commonly referred to as a “remote firmware update” (RFU). The Remote Firmware Upgrade setting determines if the firmware update process is allowed to be performed.
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HP LaserJet Printers and Multifunction Devices - How to Disable Remote Firmware Upgrades
Description
RFU Update Configuration Best Practices
Performing a Remote Firmware Update (RFU) is typically the responsibility of an administrator within an organization. For security reasons, RFU is an option that should only be enabled when new firmware is being loaded. RFU should be disabled at all other times.
Updating the RFU Setting
There are multiple methods to configure the RFU option. The setting can be configured for multiple devices simultaneously using the HP Web Jetadmin (WJA) fleet management tool. Devices can also be configured individually through a web page, however some older HP Printers require HP Web Jetadmin. Some low-end printers manipulate the setting from the control panel menu.
HP Web Jetadmin Method
To disable the RFU setting from Web Jetadmin
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Select Device(s).
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Select the Config tab.
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Expand Security section and select Printer Firmware Update.
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Select the Checkbox and select the Disable radio button.
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Select Apply, and follow the dialog prompts.
Figure : Disabling the RFU setting from Web Jetadmin
Embedded Web Server (EWS) Method
To disable the RFU setting from the EWS
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Open the EWS configuration interface by entering the device IP address in a web browser.Figure : Entering the device IP address
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Select the Settings tab.
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Select Security menu.
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Select Configure Security Settings button.Figure : Security menu options
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Uncheck the Remote Firmware Upgrade checkbox.
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Select Apply.Figure : Disabling the RFU setting from EWS
Control Panel Methods
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 printerOFF – 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.
Device List
The following devices support the stated RFU disable options:
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Product
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Control Panel RFU Update
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EWS RFU Update
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WJA RFU Update
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HP LaserJet Enterprise 500 color M551
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HP LaserJet Enterprise 600 M601
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HP LaserJet Enterprise 600 M602
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HP LaserJet Enterprise 600 M603
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HP Color LaserJet Pro CP1025nw
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HP LaserJet M1120n MFP
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HP LaserJet M1212 MFP
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HP LaserJet M1217nfw MFP
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HP Color LaserJet CM1312 MFP
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HP Color LaserJet CM1415 MFP
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HP LaserJet P1500n
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HP Color LaserJet CP1510
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HP LaserJet M1522 MFP
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HP Color LaserJet Pro CP1525
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HP LaserJet Pro M1536
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HP Color LaserJet CP2025
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HP LaserJet P2035
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HP LaserJet P2055
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HP Color LaserJet CM2320 MFP
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HP LaserJet M2727 MFP
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HP Color LaserJet 3000
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HP LaserJet P3005
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HP LaserJet Enterprise P3015
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HP LaserJet M3035 MFP
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HP Color LaserJet CP3505
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HP Color LaserJet CP3525
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HP Color LaserJet CM3530 MFP
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HP Color LaserJet 3800
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HP Color LaserJet CP4005
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HP LaserJet P4014
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HP LaserJet P4015
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HP LaserJet 4240
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HP LaserJet 4250
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HP LaserJet M4345 MFP
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HP LaserJet 4345 MFP
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HP LaserJet 4350
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HP LaserJet P4515
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HP Color LaserJet Enterprise CP4520
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HP Color LaserJet Enterprise CP4525
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HP Color LaserJet CM4540 MFP
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HP LaserJet Enterprise M4555 MFP
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HP Color LaserJet 4700
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HP Color LaserJet 4730 MFP
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HP Color LaserJet CM4730 MFP
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HP LaserJet M5035 MFP
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HP LaserJet 5200
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HP Color LaserJet CP5225
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HP Color LaserJet CP5525
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HP Color LaserJet 5550
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HP Color LaserJet CP6015
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HP Color LaserJet CM6030 MFP
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HP Color LaserJet CM6040 MFP
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HP CM8060 Color MFP with Edgeline
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HP LaserJet 9040
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HP LaserJet M9040 MFP
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HP LaserJet 9050
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HP LaserJet M9050 MFP
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HP Digital Sender 9200c
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HP Digital Sender 9250c
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HP Color LaserJet 9500 MFP
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HP LaserJet 9040 MFP
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HP LaserJet 9050 MFP
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= Buttons and lights
= 2 line monochrome LCD
= Color LCD with conventional buttons
= Color LCD Touch screen
Additional support options
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