Question about HP OfficeJet Pro k550 Printer

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Yellow Light on HP K550 indicating open panel will not turn off.

I have tried to unplugging the printer from the power for several minutes and have resecured every panel but the yellow light will not turn off. In fact, the printer makes no sound at all and of course it will not print.

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  • Reed1 Feb 01, 2009

    My solution was to buy an HP K5400 printer for $75 which
    replaced the K550. It works MUCH better than the K550
    and I could even use my old ink carts and print heads.

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Cartridge out of ink wont print K550. I reinserted the cartridge unplugged the power, it ran through cycles then it ran 1 paper blank then ran OK. Worked for me. Out of ink worked OK still but still shows out off ink but works mult. prints too fine. I refill my cartridges.

Posted on Feb 01, 2009

If the printer is connected to your computer - check to see if there is a blinking Red exclamation point / printer icon in the system tray. Sometimes mousing over this icon to see the tooltip is the only way to figure out what error message the printer is trying to tell you.

For us - when this happens, the printer is complaining about an "incompatible" ink cartridge - even though 99% of the time it will print from that cartridge without problems. So try removing and re-inserting all of your ink cartridges too.


Posted on Oct 07, 2008

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Unplug any USB or network cables from the printer and try to power cycle. This error indicates a problem with the firmware on the printer and if it restarts without any cables attached there is a chance that you will be able to download the newest firmware to the printer. If it restarts, clear any print jobs from the queue and then reconnect the communication cable. Then down load the current firmware from HP and install it. This should solve the problem.

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HI!!!

Check the rear access door, as well as if the top cover is being securely closed, make sure there are no paper jams and that the carriage is not 'stuck'...Press the RESUME button and see that the paper feeds, the carriage should move.

As a Tech, I also open the top cover, unplug the power cord, wait a minute (YES, 60 seconds) and Plug it back in. If the PRINT CARTRIDGE LIGHT continues to blink, open the cover on top again, making the cradle move and then stop.. Locate the yellow arrow and do as it indicates (It will point to a drawing of a cartridge that represents a symptom-perform the task associated with the symptom) other than that, remove and replace it it, making sure it firmly seats. As a last resort, return the cartridge and see if a New one fixes the problem. If these steps are unsuccessful, HP servicing is probably needed.

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Mar 15, 2010 | HP OfficeJet Pro k550 Printer

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My machine is hp officejet pro K850


Sometimes when you unplug devices for 5 to 10 minutes the memory resets. This my help if not let me know.

Dec 14, 2009 | HP OfficeJet Pro k550 Printer

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Note:
A semi-full reset will do the following:
The user settings to the factory defaults, Language and country settings on some models, Fax logs, Fax headers, Fax speed dial information.

Reset the All-in-One to the factory default settings by using these instructions:

1. Unplug the power cable from printer when the printer is powered on and wait for 20 seconds.

2. Then, press and hold # and 6 while plugging in the power cord.

Continue holding until it displays Semi Full Reset message in the front panel of the All-in-One.

Sep 29, 2009 | HP OfficeJet Pro k550 Printer

3 Answers

How do I clean the printer heads for the HP K550


1. Remove printhead for offending color.
2. Soak printhead area in 1/4" of warm water for about one minute.
3. With a dry paper towel lightly wipe the printhead length wise.
You should get two continuous color bands either black/yellow
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4. Repeat steps 2 & 3 until you get two continuous color bands.
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6. Repeat from step 1 until it works.
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You probably have a "door" sensor indicating it's open..

The doors to check are:
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Jan 06, 2009 | HP OfficeJet Pro k550 Printer

1 Answer

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Open the back panel of the printer and resit it into position.......check to see jams....

if this doesn't help
follow the steps in the link below

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00586792&lc=en&cc=uk&dlc=en&product=501369&lang=en

keep me posted

Cheers

Nov 14, 2008 | HP OfficeJet Pro k550 Printer

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