HP PageWide Pro 777 User Guide - Page 126
Cleaning routines, Clean the printhead, Clean the scanner glass strip and platen
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1. On the control panel, touch the Support Tools icon. 2. In the display, touch the Maintenance icon. 3. Scroll to the bottom of the list, and then touch Restore Factory Defaults. 4. In the menu that appears, touch Restore Factory Defaults again. 5. Follow the prompts on the control panel. The product automatically restarts. Cleaning routines ● Clean the printhead ● Clean the scanner glass strip and platen ● Clean the document feeder pick rollers and separation pad ● Clean the touch screen Clean the printhead During the printing process, paper and dust particles can accumulate inside the product. Over time, this buildup can cause print-quality problems such as specks or smearing. This product automatically services itself, running cleaning routines that can correct most of these problems. For problems that the product cannot automatically solve, use the following routine to clean the printhead: 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. Clean the scanner glass strip and platen Over time, specks of debris collect on the scanner glass and white plastic backing, which can affect performance. Use the following procedure to clean the scanner glass and white plastic backing: 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. NOTICE: 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. 110 Chapter 9 Solve problems ENWW