HP 2830 - Manual (Page 209)

2. Clean the white document lid backing by using a soft cloth or sponge that has been
moistened with a mild soap and warm water. Also, clean the scanner strip next to the
ADF scanner glass.
3. Wash the backing gently to loosen debris; do not scrub the backing.
4. Dry the backing by using a chamois or soft cloth.
CAUTION Do not use paper-based wipes because they might scratch the backing.
5. If this does not clean the backing well enough, repeat the previous steps and use
isopropyl alcohol to dampen the cloth or sponge, and then wipe the backing thoroughly
with a damp cloth to remove any residual alcohol.
Cleaning the paper path
During the printing process, paper, toner and dust particles can accumulate inside the
device. Over time, this buildup can cause print-quality problems such as toner specks or
smearing. This device has a cleaning mode that can correct and prevent these types of
problems.
ENWW Cleaning the device 193