Canon MF6180dw Manual page 513

<TIFF>
NOTE
By selecting <PDF (Compact)>, images such as photos or illustrations are compressed more than in <PDF>, reducing
the file size.
However, depending on the original type, image quality may be affected, or the number of original sheets that can be
scanned at a time may be reduced.
Density
Specify the density.
[ ]
[ ]
Original Orientation
Specify the orientation of the document.
<Portrait>
<Landscape>
Original Type
You can fine tune the image quality based on the type of document. The document can be reproduced more faithfully by
selecting the most appropriate original type.
<Text>
<Text/Photo>
<Photo>
Booklet settings for 2-sided documents
Select the settings for scanning 2-sided documents.
Save the file in the TIFF format.
Decrease the density.
Increase the density.
Specify when the document is in portrait orientation.
Specify when the document is in landscape orientation.
Best suited for scanning documents that contain text only or handwritten text and drawings.
Blueprints and very weak pencil manuscripts can be clearly captured.
Best suited for scanning documents that contain text, drawings, and photos.
Best suited for scanning documents that contain printed halftone photos.