WHITENING FAINT COLORS IN THE IMAGE(SUPPRESS BACKGROUND)
Overview
Suppresses light background areas of originals.
Suppress Background must be specified before scanning the original.
Operation
Tap the [Others] key, and tap the [Suppress Background] key. 
Tap 
or slide the slider to adjust the range to be suppressed.
To cancel the background suppression settings:
Tap the [Off] key.
After the settings are completed, tap 
and [Back] keys in sequence.
and [Back] keys in sequence.
Place the original and tap the [Preview] key.
Place the original in the document feeder tray of the automatic document feeder, or on the document glass.
Check the preview image in the preview screen.
Check whether or not settings produce the required results.
To cancel all settings:Tap the [CA] key.
Tap the [Start] key to start copying.
When making only one set of copies, you do not need to specify the number of copies.
To make two or more sets of copies:
Tap the copies entry key to specify the number of copies.