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Refill Instructions
HP 51625A Cartridge

Updated May 13, 1999

Many different HP Deskjet 400 Series, Deskjet 500 Series, and Deskjet Portable Printers, as well as printers from other brands, including Apollo

Theory

The ink in this cartridge is retained because the cartridge has an internal sponge.

Instructions

Step 1) Put the cartridge on some paper towels in an area where you can tolerate a spill.

Step 2) We must remove the green or blue top. Use either of these two methods:

  1. Gently clamp the cartridge bottom in a vise or similar device. Grab the top with a large wrench or set of pliers and crack off the top. This will likely break some plastic, but this is generally cosmetic damage.
  2. Lay the cartridge on a solid surface and put the edge of a sharp knife at the intersection of the black and colored plastic. Hit it sharply with a hammer. Then pull off the top.

Step 3) Keeping the cartridge on paper towels, take a syringe bottle and fill it 1/4 full of ink -- about 8 ml.

It is important to keep the paper towel touching the printhead area while filling to avoid cross-contamination of the colors. If a large drop of ink forms on the bottom of the cartridge, wipe it away immediately.

Step 4) Insert the needle fully into the appropriate hole (from the printhead side, the colors are probably Magenta (Red), Cyan (Blue), and Yellow). Inject the ink very S-L-O-W-L-Y and watch until the sponge is saturated. (Some colors will not be empty, so don't expect the sponge to absorb the entire amount.) Be sure to inject deeply to avoid trapping air bubbles in the bottom of the cartridge.

Step 5) Repeat steps 3 and 4 for the other two colors with different syringes.

Step 6) Put the top back on and tape down in place.

Step 7) Set above a paper towel for an hour as a leak precaution. Expect a few drips. Remove any large drops immediately.

To Clean the Printhead

  1. Only clean the printhead if you get poor print quality or no print.
  2. Be sure that you don't have an air bubble problem.
    • If cleaning the printhead causes the situation to get worse rather than improve, you probably have an air bubble problem.
    • If you have an air bubble problem, you need to re-inject some ink very deep into the cartridge.
  3. Follow the directions in the printer manual to run the cleaning routine.
  4. If this doesn't work, take the cartridge to the nearest hot water faucet.
    • Turn on the hot water. Let it get hot.
    • Put only the printhead portion (where the ink comes out) under the hot water for 2 to 3 seconds
    • Dry off the cartridge using a soft tissue.
    • Re-insert the cartridge into the printer.
    • Run the normal cleaning routine a few times.
  5. If this doesn't work, soak only the printhead in simmering water for up to 2 hours. You may add up to 50 percent ammonia for really tough clogs.

To Clean Your Sink

The ink is water-soluble. Use plenty of soap and warm water. You may also need to use Comet or a similar cleaner if the stains persist.

To Clean Your Hands

On hands, the best substance to use is Ink Be GoneTM, a specially developed hand cleaner available from ACSI Bulk Inks. (To place an order, Click Here.)

To Place An Ink Order

You can telephone us at 1-888-728-2465 (USA Tollfree) or 1+740-374-9949. You can also Order Online or by other ways including by Fax, or by Postal Mail, or by EMAIL.

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Copyright 1999, Automation Consulting & Supply, Inc.
Contact us at 1-304-622-5086 or email us at Order Email.
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