PSIcapture Documentation: Tiff Compressions

Black and White Image Storage Format:

TIFF-CCITT3/4
TIFF - LZW COMPRESSION
TIFF - NO COMPRESSION

Grayscale Storage Format:

TIFF - JPEG COMPRESSION
TIFF - JPEG COMPRESSION (Obsolete)
TIFF - LZW COMPRESSION
TIFF - Packbits COMPRESSION
TIFF - NO COMPRESSION

Color Image Storage Format:

TIFF - JPEG COMPRESSION
TIFF - JPEG COMPRESSION (Obsolete)
TIFF - LZW COMPRESSION
TIFF - Packbits COMPRESSION
TIFF - NO COMPRESSION

Reference article for learning different compression types that are available in step 1 of Document Type.

http://www.awaresystems.be/imaging/tiff/tifftags/compression.html