HP LaserJet M9040/M9050 Service Manual - Page 103
Clean the ADF delivery system, Clean the outside of the product, Clean the touchscreen
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6. Close the front cover, reconnect all cables, and turn the product on (button in). Figure 4-7 Clean the paper path (6 of 6) Clean the outside of the product ● Clean the outside of the product if it is visibly marked. ● Use a soft, lint-free cloth dampened with water. Clean the touchscreen ● Clean the touchscreen when needed (fingerprints, dust build-up). ● Wipe the touchscreen gently with a clean, water-dampened, lint-free cloth. CAUTION: Use water only. Solvents or cleaners can damage the touchscreen. Do not pour or spray water directly onto the touchscreen. Clean the glass ● Clean the glass only if dirt is visible, or if you are experiencing a decrease in copy quality, such as streaking. ● Clean the glass surface by wiping it gently with a clean, slightly damp, lint-free cloth. CAUTION: Do not pour or spray liquids directly onto the glass. Do not press hard on the glass surface. (You could break the glass). Clean the ADF delivery system Clean the ADF only if it is visibly marked or dirty, or if you are experiencing a decrease in copy quality (such as streaking). 1. Lift the top cover. Figure 4-8 Clean the ADF delivery system (1 of 5) ENWW Clean the product 85
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