Question about HP Officejet 7500a E910 Multifunction Printer
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Posted on Jan 02, 2017
Step 1) Put the cartridge on some paper towels in an area where you can tolerate a spill such as a sink. Be sure that you are wearing old clothes, since the first time you fill the cartridge, you will probably get some ink on your clothes and hands. You may wish to wear rubber gloves if you don't want to stain your hands. I also don't recommend refilling as a family project.
Step 2) Look at the cartridge. Near the bottom of the cartridge you will see a horizontal break line in the plastic where the two parts of the cartridge snap together.
Step 3) Using a sharp knife or scissor blade, cut the label on the front of the cartridge along the line where the two parts of the cartridge come together.
Step 4) Using a knife,screwdriver, or just your hands pry the cartridge open along the line. Let it hang by the backside label.
Step 5) The exit port is the point where the ink comes out of the cartridge. It has an obvious stem. Place this stem to your right.
Step 6) You will also see a rubber oval-shaped bulb. To the left of this bulb is the fill hole. You will see a small ball in this hole. Stick a pin or the end of a sharp knife into this ball and pry or lift it out of the hole. (Saundra recommends a sharp steak knife. (*** Don't stab or cut yourself!***) Don't lose the ball!
Step 7) Fill your syringe bottle with the appropriate ink. You'll need about 30 ml (1 full syringe bottle) for the regular cartridges, about 75 ml (2 1/2 syringe bottles) for the high capacity black cartridge.
Step 8) Insert the needle 1/4 to 1/2 inch (5-10mm) into the fill hole. Be careful not to puncture the bag, especially if you have a sharp needle.
Step 9) Inject the ink into the opening.
Step 10) Tilt the bag so that the opening is at the top. This will let the air bubble up and out.
Step 11) Using the syringe, suction about 1 ml (1/4 teaspoon) of ink and air frothy mixture out of the top of the bag.
Step 12) Inspect the ball. If it has been damaged, you should use a new ball or the damage may cause a slight leak. (We have additional balls for sale.)
Step 13) Replace the ball in the cartridge. Saundra says, "The tip of a retracted ball-point pen is ideal for this."
Step 14) Turn the cartridge upside down (stem down) and gently squeeze to check for leaks.
If you see a leak there are three possible problems.
1. The bag inside the cartridge has bursted or is punctured. There is no fix for this: the cartridge is dead.
2. While refilling you allowed ink to escape and get on the white collar surrounding the exit port, bulb and fill hole. The ink has now leaked between the bag and the sides of the cartridge. Even though this is usually only a small amount of ink it will act like you poured an entire pint in there! The solution is to remove the bag. Please do this over the sink. As you are looking at the cartridge you will notice that the sides are long ovals. Hook your thumbs inside the ovals and pull as if though you are going to pull the cartridge apart. You will see two plastic tabs. Release one and then the other. Using the bulb frame as a gripping point, pull straight up and lift the bag. This will be messy. Rinse the outside of the bag and the inside of the cartridge shell. Try not to get water on the copper chip while you are working. Using an old towel or a paper towel, dry off the bag and dry out the inside of the cartridge.
3. You have not pushed the ball into the hole securely. Push it in again and wipe up the excess ink. Squeeze the cartridge to make sure you have it sealed tightly before putting it back in the printer.
If there are no leaks insert your cartridge into the printer and print.
The light on your printer warning you that the ink is low will remain ON. This is normal. Do not panic: just see if it prints
Posted on Apr 23, 2009
>try to do hardware reset
>while printer is on unplug power cord at the back of it, press and hold # and 6 buttons on your printer, while holding the buttons plug back power cord, printer should initialise you can release the buttons after 10 secs or until you see semi full reset on the display, if the printer will not automatically turn back on press the power button, if it ask for you to set the region and laguage again then you have done the reset successfully
>this hardware reset should clear the error otherwise better contact hp
Posted on Sep 29, 2009
SOURCE: i have a HP Officejet
Please go to the following link and your problem will be solved.
Posted on Aug 22, 2011
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