Density Settings - Ricoh B082 Service Manual

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IMAGE PROCESSING

Density Settings

This section describes how to adjust the density settings for the Pale mode

Generation Copy mode, and Text mode.

SP4904 3 is used to switch the density characteristics to binary digital processing

for black and white originals to achieve better balance between text and images,

correct shadows that appear around text in handwritten documents, to enhance

documents written in pencil, or to achieve stark contrast when copying blueprints,

building plans, etc.

SP4903 3 Density Setting for Low Density Original Mode

Selects γ normal density (Default).

Digitizes to near binary image.

SP4904 4 is used to switch between normal density and better reproduction of

areas with graduated fill in originals copied in the Generation Copy mode. To

improve the appearance of graduated fill areas of high density, set to "1" so the

process can ignore black and more accurately reproduce areas with graduated fill.

For example, the "1" setting is ideal for copying Generation Copy originals of

medical charts that contain images of internal organs.

SP4904 4 Density Setting for Copied Original Mode

Selects normal density (Default) for Generation Copy originals.

Produces better gradation in fill areas of high density.

If "1" is selected for SP4904, the following SP mode settings may also need

Filter Level: Generation Copy

Filter Strength: Generation Copy

Independent Dot Erase: Generation Copy

Background Erase Level: Generation Copy

Line Width Correction: Generation Mode

Density Characteristics

Recommended Setting

4 (or change as required)

2 (or change as required)

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