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The Power light is on, and one or
more of the ink cartridge lights
blink.
One or more of the ink cartridges are missing.
• Install the ink cartridge indicated, and then try to print.
• If the error persists, replace the ink cartridge indicated.
One or more of the ink cartridges are out of ink and must be replaced before you can
continue printing.
• Replace the ink cartridge indicated.
The Power light, and one or more of
the ink cartridge lights blink.
One or more of the ink cartridges are faulty or need attention.
• Ensure the ink cartridge indicated is properly installed, and then try to print.
• If the error persists, replace the ink cartridge indicated.
The Power light is on, and one or
more of the ink cartridge lights
are on.
The Power light blinks, and one or
more of the ink cartridge lights
are on.
One or more of the ink cartridges are low on ink and will need to be replaced soon.
• No action is required.
The Configuration Page light blinks.
(HP Officejet Pro K550dtwn)
One of the following processes is taking place:
• The printer is initializing for wireless communication.
• If you are using SecureEasySetup (SES) to set up the printer, the printer might be trying
to connect to the wireless network.
• If you are using Windows Connect Now™ to set up the printer, the printer is receiving
wireless information from the USB flash drive.
Each of the above processes takes less than 2 minutes.
• No action is required.
The Configuration Page light is on.
(HP Officejet Pro K550dtwn)
The printer is in wireless communication mode.
• No action is required.
All lights are on. A non-recoverable error has occurred.
• Disconnect all cables (such as power cord, network cable, and USB cable),
wait about 20 seconds, and reconnect the cables. If the problem persists,
visit HP website (www.hp.com/support/officejetprok550
) for the latest troubleshooting
information, or product fixes and updates.