Horizontal lines/missing print occurs on my pages. I have tried to reboot the printer, but the printing issues remain. Do I need to clean the print heads?

Follow these steps to make it work... TIP: Focus on the printer it self. make sure that it can copy (b&w and color) fine.
If your done reseting the printer go to the next step Solution #2 Clean the All-in-One and make a blank copy Before you begin, gather the following materials:

• Several clean, soft, lint-free cloths
• Mild glass cleaner

1. Press the power Button to turn off the product, and disconnect the power chord at the back of the printer.
2. Open the scanner lid, and remove any originals from the scanner glass.
3. Spray a clean, soft, lint-free cloth with mild glass cleaner.
4. Wipe the scanner glass and the white underside of the scanner lid with the dampened cloth.

1. If the product is not already off, press the Power button to turn off the product, and disconnect the power cord from the product.
2. Locate the ADF frame to the left of the white underside of the scanner lid.
3. Press the ADF frame release.
4. Unhook and remove the ADF frame.
5. Lightly dampen a clean, soft, lint-free cloth with a mild glass cleaner.
6. Use the dampened cloth to clean both sides of the transparent film, and the white strip in the center of the ADF frame.
7. Clean the ADF frame.
8. Re-Install the ADF Frame

1. Remove any originals from the scanner glass.
2. Load plain white paper in the input tray.
3. Press Start Copy Black to make a blank copy.

• If the copy is clean, there is no need to continue troubleshooting.
• If the copy has vertical bands, lines, or streaks, there might be dust inside the product, poor internal connections, or the product might be damaged. Contact HP's Printers support department @ 1-800-474-6836