Cartridge Problems. My cartriges were getting low, so I replaced them with the appropriate cartriges....still not working. The error message was saying that the black ink was still low...and that the color cartridge wasn't even in......they are brand new. I can't print anything.

Did you use a brandname ink cartridge - or is it a knock-off brand? If it is a brand name - then the cartridge is most likely defective. If it is a knock-off brand - some printers do not recognize the electronic in the cartridge and therefore don't see it as one being installed.

This may also help

Dell 922 AIO Black Ink Cartridge Missing Message

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Make sure you've removed the protective tape from the cartridges that you inserted into the printer and that the cartridges were installed properly. Are you getting an error message or is the printer just not printing? If you get an error such as Error U041 or U043, the printer may just be low on ink or have a bad ink cartridge.

The cartriges are damage. This is one of the normal problems with refill cartriges.

hello,
their is small fuse in your toner cartridge.you have to replace it . it is also damage.

I have to ask this question of you, just to make sure this is not an issue. Are you using a factory new ink cartridge?
Please consider the following:
If you are using a refilled or third party cartridge that may well be your problem. Most manufacturers build logic into their products to prevent the use of “Other Equipment Manufactured” cartridges as well as re-filled cartridges.
They do this to prevent problems from contaminated inks causing problems with print quality or damaging the physical printhead.
If you are using factory new cartridges, then please call the manufacturers Technical Support for assistance with the warranty on the cartridges
Don

Hi there Error 50c
This is for yours.
Regarding the Dell A940 "Error 50c"....the user guide doesn't seem to mention "Error 50c". They do, however, mention a "Cartridge Error" on page 52 of the manual. They claim this means that the printer has detected a short circuit (fuse/resister) in the cartridge. As you may or may not have noticed in the manual, this is what they recommend doing about it:

1) Press Power to turn the printer off.

2) Lift the printer cover/lid (scanner unit) until the scanner support holds it open.

3) Turn the printer on.
The ink cartridge carrier moves and stops at the loading position unless the printer is busy.

4) Remove the color ink cartridge.

5) Lower the printer (scanner unit) until it is completely closed.
If the error message displays again, replace the black cartridge with a new black cartridge.

If the error message does not display, repeat steps 1–3 and then go to step 6.

6) Reinstall the color cartridge and remove the black ink cartridge.

7) Lower the printer (scanner unit) until it is completely closed.

If the error message displays again, replace the color cartridge with a new
color cartridge.
If there is no error message (indicated by flashing lights), repeat steps 1–3 and then reinstall both ink cartridges.
8) Lower the printer (scanner unit) until it is completely closed.

If you get the error message again, while both cartridges are installed, replace both of the cartridges.

Basically, what they want you to determine is,....if the short circuit is with the "black ink" cartridge or the "color ink" cartridge and then replace the cartridge that has the problem.

You may have to buy a new cartrige.
Please all I ask is call back and just gave a vote, it will gave me some satisfaction to know am helping some one, so I will keep on helping.
All The Best: Pineworks

Hi there
Your error message is coming from the Dell Series 5 ink Cartridge. To reset the error message, unplug the printer from the wall. Now remove the power brick from the back of the printer. Wait 60 seconds and then plug everything back in. This usually resets any error messages on the printer. Make sure the Dell Series 5 ink cartridges are intalled correctly by removing them and re-seating them .
Black in left or black side, color in right side or color side

If using a photo cartridge...

Photo cartridge in the black side(left) and color in the color side(right)
Dell Series 5 ink cartridges have a sensor in them that cannot be reset

It is also possible to get a new ink cartridge with a bad sensor. Please take it to the place of purchase for a refund or a replacement one.
Please all I ask is call back and just gave a vote, it will gave me some satisfaction to know am helping some one, so I will keep on helping.
All The Best: Pineworks

Hi - If you are saying that the right side cartridge is the black cartrige that you have replaced, then I have two suggestions that may help. If the cartrige is a new HP genuine product I would take it back. If not, I would return the cartrige you have and buy a genuine HP for the printer. Though an expensive solution, there is always a chance of defects from either party. The remanufactured or refilled cartrige will have a date on it. The circuit board on these can wear out and then not be recognizable over time. Second suggestion if you have not already done this, a cotton swab or Q tip dipped in distilled water(damp only) to wipe down the circut board on the printer where the cartrige will connect to it, may help. Turn off the printer to do this. Make sure it is dry when you turn it on and reinstall the new cartrige. Hope this helps.

just check the no. of the cartrige & is it org. or compatiabe

the message of low ink cartrige always appears after refilling the cartridge or installing the recycled cartridge.only if u install orignal cartridge it will go.but let it show low ink you will get proper printouts till the end of the cartridge as this message does not effect on copy quality or number of printouts.the printer will work.just cancel that message or ignore.it will not effect your printer.
thanks.