HP LaserJet Pro 400 MFP M425 - Manual (Page 195)

Intended use Recommended resolution Recommended color settings
Fax 150 ppi ● Black and white
Email 150 ppi ● Black and white, if the image does not require
smooth gradation
● Grayscale, if the image requires smooth gradation
● Color, if the image is in color
Edit text 300 ppi ● Black and white
Print (graphics or text) 600 ppi for complex graphics, or if you
want to significantly enlarge the
document
300 ppi for normal graphics and text
150 ppi for photos
● Black and white for text and line art
● Grayscale for shaded or colored graphics and photos
● Color, if the image is in color
Display on screen 75 ppi ● Black and white for text
● Grayscale for graphics and photos
● Color, if the image is in color
Check the color settings
You can set the color values to the following settings when scanning.
Setting Recommended use
Color Use this setting for high-quality color photos or documents in which the color is important.
Black and White Use this setting for text documents.
Grayscale Use this setting when file size is an issue or when you want to scan a document or photograph
quickly.
Optimize for text or pictures
The following copy-quality settings are available:
● Auto Select : Use this setting when you are not concerned about the quality of the copy. This is the
default setting.
● Mixed : Use this setting for documents that contain a mixture of text and graphics.
● Text : Use this setting for documents that contain mostly text.
● Picture : Use this setting for documents that contain mostly graphics.
ENWW Solve scan quality problems 179