Many times while printing, the Printer does not print and error messages related to HP Envy 7640 ink Cartridge can pop up.For most of the common cartridge related errors, try the below solutions to resolve the issue. The first step is to check if the cartridge used in your printer are unmodified, genuine HP Ink Cartridges and they are compatible with your printer. This is necessary to get the best results out of your printer. You can check the compatibility here on our website. Replace the cartridges if found incompatible.

If the HP Envy 7640 ink cartridges are the correct ones and still the issue continues, inspect the cartridge for any debris or damage. To remove the cartridge, power on the printer and open the access door. Gently press down the cartridges and remove it from the slots, one by one. Check if any tape is still stuck to it. Now insert the cartridge back into the printer. Make sure to place the cartridges in the correct slots. Check if this works and the printer works fine.
If the issue persists, clean the electrical contacts.

To proceed, get a soft material and distilled or boiled water. Power on the HP Envy 7640 printer so that the carriage moves to the center. Unplug the power cable before removing the cartridge. Be careful not to touch the contact or the ink nozzles. Now holding the cartridge by its sides, check for any debris or dust collected inside. Clean only the copper-colored contacts on the cartridge with the soft wet cloth. With a moist swab clean the electrical contacts in the slots. Let the parts dry for 10 minutes and then replace the cartridges into the respective slots. Now check if the printer prints fine without any errors. If the errors still pop up, contact our technical support to advice you on servicing the printer. (Toll-Free) 1 888 224 4280