HP 5550C HP Scanjet 4500c and 5550c scanner - (English) Glass Cleaning Manual - Page 4

Clean top of the scanner - parts

Page 4 highlights

Clean top of the scanner Clean the outside of the scanner prior to disassembly to prevent contamination of internal parts. Use only glass cleaner. Avoid abrasives, acetone, benzene, and carbon tetrachloride, all of which can damage the scanner glass. Avoid isopropyl alcohol because it can leave streaks on the glass. Do not spray the glass cleaner directly on the glass. Do not allow the cleaner to seep between the glass and the plastic. If liquid gets between the glass and the plastic it could stain the calibration strip ( the white strip under the glass) and render your scanner useless. If the cleaner gets in the calibration strip area, the scanner must be sent to hp for repair. 5 Apply glass cleaner to a soft lint-free cloth. Clean the plastic first. 6 Apply the glass cleaner sparingly to a separate cloth and clean the glass.

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Clean top of the scanner
Clean the outside of the scanner prior to disassembly to prevent contamination of internal
parts.
Use only glass cleaner. Avoid abrasives, acetone, benzene, and carbon tetrachloride, all of
which can damage the scanner glass. Avoid isopropyl alcohol because it can leave streaks on the glass.
Do not spray the glass cleaner directly on the glass. Do not allow the cleaner to seep between
the glass and the plastic. If liquid gets between the glass and the plastic it could stain the calibration strip (
the white strip under the glass) and render
your scanner useless. If the cleaner gets in the calibration strip
area, the scanner must be sent to hp for repair.
5
Apply glass cleaner to a soft lint-free cloth. Clean the plastic first.
6
Apply the glass cleaner sparingly to a separate cloth and clean the glass.