HP 7400C Series - Manual (Page 97)

Back to TOC Troubleshooting usage and maintaining 97
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.
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.
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 95 .
ADF window
ADF window
Flat, gray bar