How do you get the old ink cartridge out - HP DeskJet F4280 All In One Printer InkJet

hi may.
you have not said on what printer.
but go to this link might help you out.
Remove the old ink cartridge and install the new ink cartridge.

1. Make sure the printer is turned on. ...
2. Open the top cover of the printer. ...
3. Wait until the carriage moves to the right side of the printer and is idle and quiet.
4. Press down on the old ink cartridge, and then slide it out of the carriage.

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Replacing Ink Cartridges - HP Support

How do you insert ink cartridge Google Search

1. Turn on your printer.
   
   
2. Open the front cover.
   
   

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

1. Press the tabs on the cartridge lids, then lift the lids.
   
   

1. Remove the old ink cartridges.
   
   

1. Store the cartridges in an air-tight container or dispose of them properly.
   
   
2. If you are installing new ink cartridges, remove the sticker and transparent tape from the back and bottom of each ink cartridge.
   
   

NOTE: You can use your printer with one cartridge (color or black) at a time. To extend the life of your color cartridge and improve printing speed, install both a color cartridge and a black cartridge at the same time.

1. Insert the new ink cartridges. Make sure the color ink cartridge is secure in the left ink cartridge carrier and the black ink cartridge is secure in the right ink cartridge carrier.
   
   

1. Snap each lid closed.
   
   

1. Close the front cover. The front cover must be closed to start a print job.
   
   

1. Open the Dell Printer Solution Center by clicking Start® Programs or All Programs® Dell Printers® Dell Photo Printer 720® Dell Printer Solution Center.
   
   
2. Click the Maintenance tab.
   
   
3. Click Install a new print cartridge.
   
   
4. Click Next.
   
   
5. Select the type of cartridge you installed.
   

NOTE: Specify whether the cartridge is a new cartridge or an old cartridge (one that has been used before). If an old cartridge is incorrectly identified as New Cartridge in the Dell Printer Solution Center, ink levels may be incorrect.

1. Click Next.
   
   

Turn on your printer.

Lift the printer unit, and position the scanner support between the tabs to hold it open.

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

Press down on the ink cartridge lever to raise the ink cartridge lid.

Remove the old ink cartridge.

Dispose of the old cartridge properly.

If you are installing a new ink cartridge, remove the sticker and transparent tape from the back and bottom of the ink cartridge.

Insert the new ink cartridge.

Snap the lid closed.

Lift the printer unit, and hold the scanner support up while lowering the printer unit until it is completely closed.

DON'T FORGET TO RATE THE SOLUTION, THUMBS UP!

1. Unplug your Kodak Photo Dock's power cord. Pull the black tab on the right side of the printer down to open the ink cartridge door.
   
2. 2 Push up on the green cartridge release tab in the upper center of the ink cartridge to release the old cartridge. Pull the old ink cartridge carefully from the Photo Dock.
   
3. 3 Rotate the new ink cartridge's ribbon wheel on the side of the cartridge clockwise with your finger to remove any slack in the film. Do not rotate the wheel too much---this will damage the cartridge.
   
4. 4 Insert the new ink cartridge into the Photo Dock with ribbon film facing down until you hear the cartridge click in place. The ink cartridge will only go in one way.
   
   
   
   Do not touch the ribbon with your fingers. Handle the cartridge by its edges.
   
5. 5 Close the ink cartridge door and plug in your Kodak Photo Dock's power cord.
   

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1•Protect your desk, printer stand or work surface by placing an old newspaper in front of or next to the printer. The newspaper will provide you with a place to work without getting ink anywhere you don't want it. It seems as though no matter how careful or neat you are, a little bit of ink always manages to escape when replacing an ink cartridge.
•2
Prepare the new ink cartridge for installation. Remove the replacement cartridge for your Canon printer from all of its packaging. You may need scissors to remove the heavy wrapper. Leave the protective orange cap or tape in place for now. Set the new cartridge aside on the newspaper.
•3
Remove the old ink cartridge from the Canon printer. With the printer on, open the front door or panel of the printer. Wait a second or two and the ink cartridge holder should move to the opening where it is accessible. If it does not move, shut the door, turn the printer off for a moment, turn it back on and try again. Lift the small lever that secures the ink cartridges within their holder. On most Canon printers, it is colored green and located on the right side of the ink cartridge holder. Gently lift the old ink cartridge out of the printer.
•4
Place the new ink cartridge in the printer. Remove the plastic cap or tape protecting the ink cartridge, being careful not to touch the black and gold "sensor" area of the cartridge. Gently but firmly push the new cartridge into the empty slot left where you removed the old ink cartridge. The label should be facing outward. You should feel the cartridge pop into place. Then push the lever back down that you lifted in Step 3. Close the printer door. Use paper towel or wet wipes to clean any ink from your hands.

Probably a piece of the old one is obstring it.

NECESITO UNA SOLUCION PARA MI PLOTTER T610 CODIGO DE ERROR 22.1:10

I can suggest you one thing. If you can't do it yourself, get a friend who can.
Make a small hole (using a drill) in a new cartridge. This hole should directly go to the ink cartridge. (Make sure you don't spill ink everywhere!) Make a similar hole in the old cartridge. Take a syringe and pull out some ink from the new cartridge. Put it into the old cartridge. If you can see the ink level, fill about half of the old cartridge this way. Close both holes. Now use the old cartridge in the printer!
(You can repeat this process whenever the old cartridge runs out of ink).

Lift the priner unit lid on the printer llift he print cartridge lid,
The ink cartridge carrier moves and stops at the loading position unless the printer is busy.

Press down on the ink cartridge lever to raise the ink cartridge lid.
Remove the old ink cartridge.
Dispose of the old cartridge properly.

If you are installing a new ink cartridge, remove the sticker and transparent tape from the back and bottom of the ink cartridge.

Insert the new ink cartridge.

Snap the lid closed.
Lift the printer unit, and hold the scanner support up while lowering the printer unit until it is completely closed. Let me know if you have any questions.

Here is the manual

http://support.dell.com/support/edocs/systems/725/en/index.htm
Replacing an Ink Cartridge

1. Turn on your printer.
   
   
2. Lift the front cover.
   
   

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

1. Press down on the ink cartridge lever to raise the ink cartridge lid.
   
   

1. Remove the old ink cartridge.
   
   

1. Dispose of the old cartridge properly.
   
   
2. If you are installing a new ink cartridge, remove the sticker and transparent tape from the back and bottom of the ink cartridge.
   
   

1. Insert the new ink cartridge.
   
   

1. Snap the lid closed.
   
   

1. Close the front cover.