Unknown Printer
all or one cartridge needs to be replaced

Experienced technical support provide their insights in answering this question :
Make and Model would help!!

How to Identify and Fix Common printer Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced technical support :

Inspect the cartridge for the metal contacts. Inspect the inside of the printer for the connection point. With a lint-free/dry cloth lightly wipe the contacts on both cartridges and printer to remove any dirt, or residue being careful not to cause any damage. Replace the cartridges in the printer.
The message Replace Toner will not clear from the display if: – The replacement toner cartridge is not installed properly. – A starter toner cartridge is installed as a replacement toner cartridge. – A toner cartridge from another machine or a used toner cartridge is installed as a replacement toner cartridge.
This error occurs due to the chip on your cartridge still reporting a low or empty ink level from its previous use. The chip itself cannot be reset, so when the cartridge is refilled and then installed into a new machine it will still register as empty.
Press the button on the chip-reset tool for several seconds until the LED light on the device goes off. Then, unlock the reset tool from the cartridge. Use the resetter with other cartridges and install them back into the corresponding slots in your printer. Voila!
First, remove and reinstall the designated cartridge 2-3 times until it securely sits in the slot to overcome an HP printer cartridge error. Next, turn off the printer and take out all the cartridges. Gently wipe the cartridge and carriage contacts with a dry, lint-free cloth and reinstall again.
Just above the circuit board on most printer cartridges, you`ll find a small button. You`ve seen these tiny buttons before on cell phones, phone chargers, etc. This is your reset button, and the only way to get in there is either with a paper clip or the tip of a pen (which will leave a tiny ink smudge on the button).
If your PC or the LCD screen on your printer is telling you that your ink cartridges are full but no ink is passing through to the paper, then it`s most likely that you are dealing with a clogged printhead. Blurry documents and images that appear faded are also signs that it`s time to remove the excess ink.
You can continue to print with one or more empty cartridges, but HP recommends replacing them as soon as possible to avoid printhead damage.
Recommended action. Turn the printer off, wait 15 seconds and turn the printer back on (using the power switch located on the back of the printer). The error code should not appear again.
Yes, you can.
Reasons why your HP printer has ink but won`t print

This may seem obvious, but it sometimes happens: first make sure your paper tray has paper in it. Misalignment, clogged printheads, faulty data communication or insufficient ink levels can also be sources of the problem.

Reasons why your HP printer has ink but won`t print

This may seem obvious, but it sometimes happens: first make sure your paper tray has paper in it. Misalignment, clogged printheads, faulty data communication or insufficient ink levels can also be sources of the problem.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

new cartridges but message says one or all must be replaced
ANSWER : Make and Model would help!!

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Unknown Printer

error message that says " remove shipping lock from black cartridge" even though it has been removed
ANSWER : http://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c01760760

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Unknown Printer

incompatible ink cartridge message
ANSWER : Pretty much nothing else you can do except try another new cartridge. I had 2 identical HP printers once in the shop. One of them didn’t like one of the cartridges. I swapped it over with the other printers cartridge and it was happy. So was the other printer. Swapped the cartridges back and it didn’t like it again. How do you explain that? You don’t.

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Unknown Printer

Please help! Replace toner message keeps coming up! Brother DCM-1510
ANSWER : It’s a laser printer, there is no ink. You are going about it the wrong way. Watch this video. You can just skip the first part and go to 1:30 into the video. http://www.dailymotion.com/video/x1yakq1_how-to-refill-and-reset-brother-hl-1110-hl-1112-hl-1112a-dcp-1510-dcp-1512e-mfc-1810_tech

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Unknown Printer

replace with new imaging unit error
ANSWER : samsung clp 365w firmware

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Unknown Printer

erro message (install genuine hp cartridge)
ANSWER : It seems like it might be a 4240 board. The 4240 was pretty much the same printer, but sold for $200 less. The downside is that it wouldn’t accept the 42X cartridges.

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Unknown Printer

Waste Toner Cartridge is empty but printer is still telling me to replace it
ANSWER : All of the ones I’ve seen are optical. Light shines through a transparent section of the waste box onto a photocell. If toner builds up past that area, it gives a warning to replace it. Possibly toner dust has gotten on the photocell.

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Unknown Printer

Error message reads remove and check right cartridge
ANSWER : You can try cleaning the contacts on the back of the cartridge and the ones that they contact in the printer. Other than that, you have to replace the cartridge. I once had one that did the same thing. I swapped the cartridge with another printer of the same model and both printers worked fine. I swapped them back and the original printer got the same error. The other printer had no problem with either cartridge. I swapped them back and left them that way.

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Unknown Printer