Panasonic KV-S1045C Operating Manual page 44

Appendix
Symptom
The color of the scanned
document is extremely
different from the original
document.
Dark spots or noise appear on
the scanned documents.
If you still experience problems after following these suggestions, please contact our Technical Support
Department at 1-800-726-2797 for further assistance (U.S.A. only).
44 Operating Manual
Possible Cause
The settings of the computer monitor
are wrong.
The scanning glass is dirty.
Remedy
Adjust the computer monitor settings.
Clean the scanning glass. (page 34)