HP officejet Pro 7580 problems with streaking

Clean the electrical contacts on the printhead and inside the product The ink nozzles on the printheads might clog if they are exposed to air for more than a few minutes or if the product is not used for long periods of time. Follow these steps to clean the electrical contacts on the printheads. CAUTION: Follow these steps carefully to avoid damaging the sensitive electrical components.

1. Make sure that the product is turned on.
2. Open the top cover of the product.
3. Press and hold the OK button for five seconds. The carriage moves to the left side of the product and stops. Release the OK button.
4. Wait until the carriage is idle and silent.
5. Unplug the product power cord from the electrical outlet.
   NOTE: Do not turn the product off by pressing the Power button ( ). This causes the carriage to move out of reach.
6. Lift the printhead latch. Figure 1: Lift the printhead latch HP officejet Pro 7580 problems with streaking - c01448109.gifuploads/images/c01448109.gif" alt="c01448109.gif" class="h_mi" />
7. Lift the handle on the printhead that the error message indicates is missing or damaged, and then pull the printhead out of its slot. Figure 2: Lift the handle HP officejet Pro 7580 problems with streaking - c01448110.gife printhead
8. Use a dry, soft, lint-free cloth to remove any ink from the electrical contacts on the printhead.
   1. Wipe the electrical contacts with the swab until no ink residue remains, and then wipe the electrical contacts with a fresh cloth to dry them and remove lint.
   2. After the electrical contacts on the printhead are clean and dry, place the printhead on a sheet of paper or a paper towel. Make sure that the ink nozzles face up and do not touch the paper.
   3. Use a fresh, dry, soft, lint-free cloth to clean the electrical contacts inside the product. HP officejet Pro 7580 problems with streaking - c01448112.gif>Figure 4: Clean the electrical contacts inside the product
   4. Allow at least five minutes for the contacts to dry. Check the contacts for lint or debris, and then dry or clean the contacts again if needed.
   5. PlugHP officejet Pro 7580 problems with streaking - c01346625.gifpower cord into the electrical outlet.
   6. Press the Power button ( ) to turn on the product. 'Printhead missing or damaged, replace the printhead' displays on the control panel.
   7. Insert the printhead into its color-coded slot. Press down firmly on the printhead to make sure the electrical contacts touch.
   8. Pull the printhead latch all the way forward, and then press down firmly to engage the latch.
      NOTE: You might have to press firmly to engage the latch. If the error message indicates that both printheads are missing or damaged, repeat the steps in this procedure to clean the other printhead.
   9. Close the top cover of the product. The product restarts and then prints an alignment page.
   10. Click on setup on the printer select tools and select clean printhead.
   11. inside the printer clean the metal carriage rod,rollers and that is it (clean with moist cotton swab)