Clean the lid backing
Minor debris can accumulate on the white document backing located underneath the
lid of the HP all-in-one.
Turn off the HP all-in-one, unplug the power cord, and raise the lid.
Clean the white document backing with a soft cloth or sponge slightly moistened
with a mild soap and warm water.
Wash the backing gently to loosen debris. Do not scrub the backing.
Dry the backing with a chamois or soft cloth.
Do not use paper-based wipes, as these might scratch the
If further cleaning is needed, repeat the previous steps using isopropyl (rubbing)
alcohol, and wipe the backing thoroughly with a damp cloth to remove any
Be careful not to spill alcohol on the glass or painted parts of
the HP all-in-one, as this might damage the device.