Ricoh MP C2504 Field Service Manual page 1122

Image processing items
Image mask
Image compression/
expansion
Printer gamma
correction
Gradation processing
Masks an area outside a frame of an arbitrary region in scanner or
printer data.
Compresses or expands an image.
Adjusts exposure amount of photosensitive body relative to image
density.
Applies 600dpi, 4bit 16 value gradation processing.
Details
Image Processing
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