I can't figure out how to replace the ink cartridge. How do you remove the old ink cartridge and put in a new one?

If you have trouble viewing the video or to view the video in a different size, click here to play the video on YouTube Step one: Open the All-in-One

1. Press the Power button ( ) to turn on the product, if it is not already on.
2. Open the cartridge-access door. The carriage moves to the center of the product. Wait until the carriage stops moving before proceeding. Figure 1: Open the cartridge-access door

Step two: Replace the old cartridge

1. Press in the tab on the front of the cartridge, and then pull it out and up to remove it from its slot. Figure 2: Remove the cartridge from its slot
   CAUTION: Do not lift the gray latch next to the carriage to install the cartridges. Doing so can result in incorrectly seated ink cartridges and printing problems. The latch must remain down to correctly install the ink cartridges.
2. On the replacement cartridge, pull the orange pull-tab straight back to remove the plastic wrap. Figure 3: Remove the plastic wrap
3. Twist the orange cap counterclockwise to snap it off the cartridge. Figure 4: Remove the orange cap
4. With the cartridge contacts facing the printhead, slide the cartridge into the correct slot. The color-coded icons on the cartridge and in the printhead indicate the correct slot. Figure 5: Insert the ink cartridge
5. Press down on the ink cartridge until it clicks firmly into place. Figure 6: Press the cartridge into place
6. Repeat these steps for each cartridge that you want to replace.
7. Close the cartridge access door. The carriage moves to the right side of the product.

Follow these steps to install the cartridges. Step Example

1. Make sure the product is on.
2. Open the top cover. Wait until the carriage moves to the center of the product and is idle and silent.
3. Open the cartridge latch.
4. If you are replacing the cartridge, slide the old cartridge out of its slot.

Figure 6: Open the product and remove the old cartridge Remove a new cartridge from its packaging, and then carefully remove the plastic tape. Hold the cartridge so that the copper strip is on the bottom.
CAUTION: Do not touch the cartridge ink nozzles or copper contacts. Touching these parts will result in clogs, ink failure, and bad electrical connections. Do not remove the copper strips. They are required electrical contacts. Figure 7: Remove the protective tape

1. Slide the cartridge firmly into the cradle. Make sure that the copper contacts of the cartridge meet the copper contacts inside the printer.
2. Press down on the cartridge latch until it snaps closed.
3. Close the top cover.

Figure 8: Insert the new cartridge

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01429130&cc=us&lc=en&dlc=en&product=3645100&tmp_track_link=ot_search

Please follow this link and well you would have your ink cartridges replaced without a problem.

Otherwise this is what you do

Step one: Remove the old cartridge

1. Press the Power button ( ) to turn on the HP product.
2. Open the front access door. The carriage moves to the far right side of the HP product. CAUTION: If the HP product is off when the front access door is opened, the HP product will not release the cartridges. Figure 1: Open the front access door
3. Wait until the carriage is idle and silent, and then lightly press down on a cartridge to release it.
   • To replace the tri-color cartridge, remove the cartridge from the slot on the left.
   • To replace the black cartridge, remove the cartridge from the slot on the right. Figure 2: Remove the black cartridge
4. Pull the cartridge toward you and out of its slot.

Step two: Prepare the new cartridge Use the following steps to prepare the new cartridge for use in the HP product. Which cartridges you use depends on your country or region. To check the cartridge compatibility for your product, right-click this link, HP SureSupply , and then click Open in New Window . If your language or country does not display next to the globe icon ( ) select your language and location.

1. Remove the new cartridge from its packaging. Be careful to touch only the black plastic.
2. Use the pink pull tab to remove the plastic tape gently. Figure 3: Remove the tape 1 - Copper-colored contacts 2 - Plastic tape with pink pull tab (must be removed before installing) 3 - Ink nozzles under tape CAUTION: Do not touch the copper-colored contacts or the ink nozzles. Touching these parts can result in clogs, ink failure, and bad electrical connections. Figure 4: Do not touch the contacts or ink nozzles

Step three: Replace the old cartridge Use the following steps to replace the old cartridge.

1. Hold the new cartridge with the HP logo on top, and then slide the cartridge at a slight upward angle into the empty cartridge slot. Push the cartridge in firmly until it snaps into place.
   • To install a tri-color cartridge, insert it into the left slot.
   • To install a black cartridge, insert it into the right slot. Figure 5: Insert the black cartridge
2. Close the front access door.
3. An alignment page prints. You do not need to do anything with this page yet. Continue to the next step.

Step four: Place the unused cartridge in a cartridge protector If you are temporarily removing a working cartridge (for instance, removing a black cartridge in order to install a photo cartridge), put the cartridge that you are not using in a cartridge protector. NOTE: Cartridge protectors come only with photo cartridges. If a cartridge protector is unavailable, store the unused cartridge in a rigid, airtight container (not a plastic bag). If unprotected, the cartridge can dry out and become unsuitable for use. Step five: Align the new cartridge The HP product prints a cartridge alignment sheet when you install new cartridges.

1. When prompted, load unused, plain white, U.S. letter or A4 sized paper into the input tray, and then press OK on the HP product control panel.
2. Lift the scanner lid.
3. Place the alignment sheet on the scanner glass so that the top of the sheet is on the right side with the text facing down. Make sure that the sheet is aligned with the right front corner of the scanner glass. Figure 6: Place the alignment sheet on the scanner glass
4. Close the scanner lid, and then press OK on the HP product control panel. The HP product aligns the cartridges.

Removing an empty print cartridges Follow the steps below to remove an empty print cartridge:

1. Press the Access Cartridge button on the control panel. The cartridge carrier moves to the remove/install position. Figure 1: HP Fax 1040/1050 control panel 1 - Access Cartridge button
2. Open the control panel and cartridge compartment cover (it will click and remain open). Figure 2: Opening the control panel and the compartment cover 1 - Control panel 2 - Cartridge compartment cover
3. Pull the cartridge toward you until it releases from the print cartridge cradle and then remove it. Figure 3: Removing an empty print cartridge 1 - Pull cartridge towards you 2 - Remove cartridge from print cartridge cradle

Installing a new print cartridge Follow the steps below to install a print cartridge.

1. Remove the new print cartridge from its packaging and, being careful to touch only the black plastic, gently remove the plastic tape using the pull tab. CAUTION: Do not touch the copper-colored contacts or ink nozzles. Touching these parts can result in clogs, ink failure, and bad electrical connections. Figure 4: HP 20 print cartridge
2. With the cartridge compartment cover open, insert the print cartridge into the print cartridge cradle with the contacts facing into the unit. When the cartridge is seated in the print cartridge cradle, push the top of the cartridge towards the back of the unit until the print cartridge clicks into place. Figure 5: Inserting a new print cartridge 1 - Insert the print cartridge into the print cartridge cradle 2 - Push the top of the cartridge until it clicks into place NOTE: If the cartridge moves loosely in the carrier, it has not clicked into place. Repeat this step.
3. Close the cartridge compartment cover and control panel.
4. Press the Start/Enter button.
5. On the keypad, press 1 if the replacement print cartridge is new or 2 if the replacement print cartridge is old. NOTE: When you put in a new cartridge, you must choose 1: New .When you put in a used cartridge, choose 2: Used . This helps you to check the correct amount of ink you have left.

for more information follow the link:
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00253364&tmp_task=useCategory&lc=en&dlc=en&cc=ca&lang=en&product=425911

Supported HP Inkjet cartridge part numbers The HP Officejet 4100 all-in-one series products use the ink cartridges listed in the table below. HP Inkjet cartridges HP 56 black cartridge (19 ml) HP 57 tri-color cartridge (17 ml) HP 28 tri-color cartridge (8 ml) Replacing the ink cartridgesThe power must be turned ON to the all-in-one or the print carriage will not move to the right.

1. Locate and open the print cartridge access door on the right side of the all-in-one. The print cartridge carriage will move to the right for access. Figure 1: Opening the HP Officejet 4100 series
2. Press down gently on the top of the old ink cartridge to release it from the print carriage. Figure 2: Removing an ink cartridge
3. Remove the new print cartridge from its packaging and remove the protective tape from the cartridge as shown in Figure 3. Do not touch the gold-colored contacts. Figure 3: Removing the cartridge tape
4. Holding the ink cartridge with the printed label up, slide the cartridges one at a time into the print carriage and press them into position as shown in Figure 4. If the cartridge does not snap easily into position, it is not aligned correctly. Remove the cartridge and reposition it. Do not try to force the cartridge into position. The black ink cartridge (HP #56) goes on the right side and the color cartridge (HP #57 or HP #28) goes on the left side. Close the ink cartridge access door when the ink cartridge has been installed. Figure 4: Installing the ink cartridges
5. A message will appear on the front panel requesting that the ink cartridges be aligned. Follow the steps below to align the ink cartridges:
   1. Press Enter on the all-in-one front panel to start the ink cartridge alignment process.
   2. After the Alignment page prints, place the page into the ADF upside down and with the printed side down as is shown in Figure 5.
   3. Press Enter. The all-in-one will scan the alignment page and finish aligning the cartridges.
   Figure 5: Aligning the ink cartridges

Correcting error messages that appear after changing a cartridgeAfter inserting the cartridge, the Check Print Cartridge light flashes or one of the following messages appears on the computer monitor:

• Check the black (or color) cartridge
• Replace the black (or color) cartridge
• The wrong black (or color) cartridge is installed

These messages indicate that the ink cartridge is not making good electrical contact, is bad, or is the wrong cartridge. Complete the following steps to diagnose and correct the condition:

1. Open the front of the unit to access the print cartridges (as shown in Figure 1).
2. Remove the ink cartridge and inspect it.
3. Verify that it is the correct part number and if it is, reinsert it.
4. Close the lid to see if the problem is corrected.
5. If the message is still displayed after a few seconds, remove the ink cartridge again.
6. Unplug the power cord from the back of the unit.
7. Clean the electrical contacts on the ink cartridge with a soft clean cloth slightly dampened (not wet) with clean water. (See Figure 6) Each contact is very small and shaped like a rounded square. Figure 6: Cleaning the cartridge contacts
8. Allow the ink cartridge to dry for a few minutes before reinserting the cartridge(s) and turning on the printer.
9. If the problem remains, replace the ink cartridge.
10. If the problem still exists after trying all of the steps above, the unit may need to be serviced. Contact HP for further troubleshooting or to arrange to have the unit serviced.

Make sure what ur using isn't a refilled cartridge and if it is check the expiration date, if nothing is wrong then you need to get urself a new printer or an upgrade so call up hp at 1800-474-6836 and get help of them,they'll guide you to a new /upgrade printer.
it's not a nice way of saying it but someone has to give you the bad news

Hello there:
This problem is usually due to a print head that needs to be replaced
I have provided the information that you will need ok
best regards mike
This document provides information on how to replace a printhead or ink cartridge.A printhead may need replacing when print quality issues cannot be resolved by cleaning the printheads or a front-panel display message indicates a printhead needs to be replaced.An ink cartridge needs replacing when a front-panel display message indicates either:

• Low ink levels
• Ink cartridge approaching expiration date

CAUTION: Never remove an ink cartridge and a printhead at the same time. Use the table below to identify the correct ink cartridge part number: Ink cartridge Part number HP 14 black print cartridge C5011A HP 14 tri-color print cartridge C5010A Use the table below to identify the correct printhead part number: Printhead Part number HP 14 black printhead C4920A HP 14 cyan printhead C4921A HP 14 magenta printhead C4922A HP 14 yellow printhead C4923A Replacing the ink cartridges Follow the instructions below to replace the ink cartridges:

1. Turn on the unit, and open the print-carriage access door by lifting the handle until the door locks into place. Figure 1: Opening the access door
2. The print carriage will move to the center of the unit.After the print carriage stops, remove the ink cartridge by pressing the gray release button, then lifting the cartridge up and out of its slot. Figure 2: Removing the ink cartridge
3. Remove the new ink cartridge from its packaging and, being careful to touch only the black plastic, remove the tape. Figure 3: Removing the tape
4. With the ink cartridge label face-up, push the new ink cartridge firmly down into the appropriate slot until it clicks into place.The color ink cartridge inserts into the right-hand slot as indicated by the rainbow colored oval. Figure 4: Inserting the new cartridge
5. Close the print carriage access door. CAUTION: If the ink cartridge is removed before a replacement is available, close the print carriage access door and replace the ink cartridge within 24 hours.

Identifying parts of the printheads Use the table below to identify the parts:

1. Printhead handle
2. Printhead tower
3. Copper contacts
4. Plastic tape
5. Ink nozzles

Do not touch:

• Copper contacts
• Ink nozzles
• Printhead tower

Error 0502-Carrier Stall indicates a physically blocked carrier. This condition can occur for many possible reasons. Most often, the carrier is blocked because the ink cartridge lids are open while the printer is on (Figure 1).


Figure 1: Open Ink Cartridge Lids

Reseat the Ink Cartridges and Make Sure the Lids Are in Place

1. Make sure the printer is turned on.
   
2. Lift the printer's front cover.
   
   Note: The ink cartridge should be in the up/loading position unless the printer is busy.

1. Squeeze the tabs on the cartridge lids and lift the cartridge lids up. The cartridge pops up when the lid is fully lifted.
   
2. Remove the cartridges.
   
3. Make sure that all of the protective tape has been removed from the contacts on the ink cartridge.
   
4. Replace the cartridges.
   
5. Snap the lids closed.
   
6. Close the printer's front cover.
   
7. When prompted on the printer's LCD to choose New or Old, choose Old.
   
8. Press Select.

Note: For more information about reseating ink cartridges, refer to the Maintenance or Ink Cartridge Maintenance section in the Online User's Guide.

Back to Top
» Reposition the Encoder Strip

1. Remove the power cord from the printer.
   
2. Lift the scanner unit to expose the inside, where the printer cartridges are located.
   
3. Gently slide the ink cartridge carrier to the middle of the printer.
   
4. Gently move the top part of the printer belt to the right.
   
5. Using an index finger, gently push encoder strip (Figure 1) down and then back up, to get it back into the slot located on the back of the ink cartridge carrier.
   
   
   Figure 1: Inkjet Printer Encoder Strip
   
   
6. Gently press the strip first to the rear, and then forward, to ensure that it is seated correctly.
   
7. Manually move the ink cartridge carrier to the left, then to the right, to check the positioning of the encoder strip.
   
8. Once the encoder strip has been re-seated, close the scanner lid.
   
9. Re-connect the power cord to the printer.

Error 0502-Carrier Stall indicates a physically blocked carrier. This condition can occur for many possible reasons. Most often, the carrier is blocked because the ink cartridge lids are open while the printer is on (Figure 1).


Figure 1: Open Ink Cartridge Lids

Reseat the Ink Cartridges and Make Sure the Lids Are in Place

1. Make sure the printer is turned on.
   
   
2. Lift the printer's front cover.
   
   Note: The ink cartridge should be in the up/loading position unless the printer is busy.

1. Squeeze the tabs on the cartridge lids and lift the cartridge lids up. The cartridge pops up when the lid is fully lifted.
   
   
2. Remove the cartridges.
   
   
3. Make sure that all of the protective tape has been removed from the contacts on the ink cartridge.
   
   
4. Replace the cartridges.
   
   
5. Snap the lids closed.
   
   
6. Close the printer's front cover.
   
   
7. When prompted on the printer's LCD to choose New or Old, choose Old.
   
   
8. Press Select.

Note: For more information about reseating ink cartridges, refer to the Maintenance or Ink Cartridge Maintenance section in the Online User's Guide.

Back to Top
» Reposition the Encoder Strip

1. Remove the power cord from the printer.
   
   
2. Lift the scanner unit to expose the inside, where the printer cartridges are located.
   
   
3. Gently slide the ink cartridge carrier to the middle of the printer.
   
   
4. Gently move the top part of the printer belt to the right.
   
   
5. Using an index finger, gently push encoder strip (Figure 1) down and then back up, to get it back into the slot located on the back of the ink cartridge carrier.
   
   
   Figure 1: Inkjet Printer Encoder Strip
   
   
6. Gently press the strip first to the rear, and then forward, to ensure that it is seated correctly.
   
   
7. Manually move the ink cartridge carrier to the left, then to the right, to check the positioning of the encoder strip.
   
   
8. Once the encoder strip has been re-seated, close the scanner lid.
   
   
9. Re-connect the power cord to the printer.

If this information has not solved your issue, then you have to contact Dell. They may need to replace the printer.

Follow the steps below to remove and replace the empty ink cartridge.

1. Turn the printer on.
2. Open the ink cartridge door. Figure 1: Opening the ink cartridge door
3. Squeeze the gray tab below an ink cartridge slot to release the gray latch and then lift the latch. Figure 2: Lifting the latch 1 - Ink cartridge latch for the black ink cartridge 2 - Ink cartridge latches for the color ink cartridges
   NOTE: Theink cartridge areas are color-coded for easy reference. From left toright, the ink cartridges are black, yellow, light cyan, cyan, lightmagenta, and magenta.
4. Pull the ink cartridge toward you out of it's slot to remove it. Figure 3: Removing an ink cartridge
5. Remove the new ink cartridge from the packaging.
6. Hold the ink cartridge by the handle and then slide the ink cartridge into the empty slot.
   NOTE: Makesure that the ink cartridge is inserted into the slot that has the sameshaped icon and color as the ink cartridge. The copper-colored contactsshould be facing the printer as the ink cartridge is inserted. Figure 4: Inserting an ink cartridge
7. Press down on the gray latch until it clicks into place. Figure 5: Closing the gray latch
8. Repeat steps 3 through 7 for each ink cartridge that needs to be replaced.
   NOTE: All six cartridges must be installed. The printer will not work if an ink cartridge is missing.
9. Close the ink cartridge door.

after Doing this all Follow the next step :-

Please Try This, I am sure it is going to workout.


Resetting the All-in-One
Press the On () button to turn off the unit.

• Disconnect the power cord from the back of the unit.
• Connect the power cord to the back of the unit.
• Press the On () button to turn on the unit.

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.