# 設定掃描解析度

The default resolution for document type Text is 150 dpi (dots per inch) and for document type Photo is 300 dpi. You can change these settings from the Document Preferences menu.

The available scanning resolutions for both document types (Text and Photo) are the same and are listed in the following table:

Text Resolution | Photo Resolution
75 dpi (draft) | 75 dpi (draft)
150 dpi (default) | 150 dpi
300 dpi | 300 dpi (default)
600 dpi | 600 dpi
1200 dpi (high resolution) | 1200 dpi (high resolution)
2400 dpi | 2400 dpi

Text documents are always scanned in black and white, while Photo documents are always scanned in color, at any resolution!