HP LaserJet 3100 All-in-One Printer series - Manual (Page 126)

EN 6 Scanning 125
Common scan modes
When you choose Scan on the Document Assistant, the HP
LaserJet 3100 Scan Settings dialog box appears. In this dialog box,
you can choose a scan mode for your document. The following are
the common scanning modes. Choose the one that best suits your
needs:
● Text mode – The item will be scanned at 300 dpi and result in a
relatively small file size. Use for documents that contain only text
or line art.
● Photo mode – The item will be scanned at 300 dpi dithered and
result in a file size smaller than using photo mode (high quality).
Use for items containing a combination of text and images or only
images that do not require the highest image quality.
● Photo mode (high quality) – The item will be scanned at 300 dpi
with 256 shades of gray and results in a relatively large file size.
Using this mode requires much longer scanning times. Use for
images that require the highest image quality.