HP PageWide Pro 750, MFP 772, 777 - Cleaning routines

note:

Use this routine only to correct print quality errors. Do not use it for periodic maintenance.

1. On the control panel, touch the Support Tools icon.
2. In the display, touch the Troubleshooting icon, and then Print Quality.
3. Touch Tools, and then Clean the Printhead.
4. Follow the prompts on the control panel.
   A page feeds through the product slowly. Discard the page when the process is completed.

1. Turn off the product, and then disconnect the power cord from the product.
2. Open the scanner lid.
3. Clean the scanner glass and the white plastic backing with a soft cloth or sponge that has been moistened with nonabrasive glass cleaner.

   note:

   Do not use abrasives, acetone, benzene, ammonia, ethyl alcohol, or carbon tetrachloride on any part of the product; these can damage the product. Do not place liquids directly on the glass or platen. They might seep and damage the product.

4. Dry the glass and white plastic backing with a chamois or a cellulose sponge to prevent spotting.
5. Reconnect the power cord to the product, and then power the product on.

1. Open the document feeder cover.
   
2. Use a moist, lint-free cloth to wipe both pick rollers and the separation pad to remove dirt.
   
3. Close the document feeder cover.
   

note:

Use water only. Solvents or cleaners can damage the touch screen. Do not pour or spray water directly onto the touch screen.