HP Scanjet 7450c HP Scanjet 7400C Series Scanner Windows - (English) User Manu - Page 101
gray without black or other markings. If necessary, clean the flat
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Back to TOC 3 While holding the document output tray down, open the document input tray. Troubleshooting usage and maintaining 101 5 Check the flat gray bar above the ADF window. The bar should be gray without black or other markings. If necessary, clean the flat gray bar. Flat, gray bar 4 Wipe the ADF window, which is a long, clear bar. You may dampen the cloth with window cleaner, water, or isopropyl alcohol. CAUTION Use only these cleaning fluids, and spray them only on a cloth. Using other cleaning fluids or spraying any fluids on the ADF can damage the ADF window. 6 Close the input tray and then close the hatch. Press down firmly on both sides until you hear a click. 7 Ensure that the scanner glass is also clean. See "Cleaning the scanner" on page 99. ADF window ADF window