Konica Minolta bizhub 20 bizhub 20 Software User Guide - Page 174
Settings in the Scanner window, Resolution, Scan Type
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Scanning Settings in the Scanner window 9 Resolution 9 You can change the scanning resolution from the Resolution pop-up menu. Higher resolutions take more memory and transfer time, but produce a finer scanned image. The following table shows the resolutions you can choose and the available colors. Resolution 100 × 100 dpi 150 × 150 dpi 200 × 200 dpi 300 × 300 dpi 400 × 400 dpi 600 × 600 dpi 1200 × 1200 dpi 2400 × 2400 dpi 4800 × 4800 dpi 9600 × 9600 dpi 19200 × 19200 dpi Black & White/ Gray (Error Diffusion) Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes 8 Bit Color Yes Yes Yes Yes Yes Yes No No No No No True Gray/24 Bit Color Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes 9 Yes Scan Type 9 Black & White Use for text or line art images. Gray (Error Diffusion) Use for photographic images or graphics. (Error Diffusion is a method for creating simulated gray images without using true gray dots. Black dots are put in a specific pattern to give the gray appearance.) True Gray Use for photographic images or graphics. This mode is more exact because it uses up to 256 shades of gray. 8 Bit Color Uses up to 256 colors to scan the image. 166