HP OfficeJet Pro 6970 User Guide - Page 141
Clean the scanner glass, Clean the exterior, WARNING, CAUTION
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Clean the scanner glass Dust or dirt on the scanner glass, scanner lid backing, or scanner frame can slow down performance, degrade the quality of scans, and affect the accuracy of special features such as fitting copies to a certain page size. To clean the scanner glass WARNING! Before cleaning the printer, turn the printer off by pressing unplugging the power cord from the electrical socket. 1. Lift the scanner lid. (the Power button) and 2. Clean the scanner glass and lid backing by using a soft, lint-free cloth that has been sprayed with a mild glass cleaner. CAUTION: Use only glass cleaner to clean the scanner glass. Avoid cleaners that contain abrasives, acetone, benzene, and carbon tetrachloride, all of which can damage the scanner glass. Avoid isopropyl alcohol because it can leave streaks on the scanner glass. CAUTION: Do not spray the glass cleaner directly on the scanner glass. If too much glass cleaner is applied, the cleaner could leak under the scanner glass and damage the scanner. 3. Close the scanner lid, and turn on the printer. Clean the exterior WARNING! Before cleaning the printer, turn the printer off by pressing (the Power button) and unplug the power cord from the electrical socket. Use a soft, damp, lint-free cloth to wipe dust, smudges, and stains off of the case. Keep fluids away from the interior of the printer, as well as from the printer control panel. 128 Chapter 10 Solve a problem ENWW