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WorkCentre Pro 421 User Guide 2-11
Product Overview
Control Panel Components and Function Keys
The Control Panel keys and functions available depend on
your WorkCentre Pro 421 configuration.
Item Description Function
1 Contrast Adjuster Adjusts the brightness and darkness of the LCD display.
When it is turned clockwise, the LCD becomes lighter and
turned anticlockwise, the LCD becomes darker.
2 Lighten/Darken Select to adjust the image contrast.
3 Reduce/Enlarge Select to reduce or enlarge the original image on the copy
paper.
4 Paper Supply Select to change the paper tray you want to use.
5 Original Type Select the type of original to be scanned to improve image
quality.