Epson Expression 636 User Manual - TWAIN 32 - Page 37

available. The table below describes the Image Type advanced

Get Epson Expression 636 PDF manuals and user guides View all Epson Expression 636 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 37 highlights

Not all options in the Image Type dialog box are available with all scanners, image types, or Pixel Depth settings. See page 3-11 for more information on when the Pixel Depth settings are available. The table below describes the Image Type advanced options. Image Type advanced options Category Option Function Pixel Depth Black & White Uses a data format of 1 bit/pixel to produce black and white images 16 Gray Uses a data format of 4 bits/pixel to produce 16 shades of gray 256 Gray Uses a data format of 8 bits/pixel to produce 256 shades of gray 8 Color Uses a data format of 1 bit/pixel/color to produce images in 8 colors 256 Color Uses a data format of 8 bits/pixel/color to produce images in 256 colors 16 Million Colors Uses a data format of 8 bits/pixel/color to produce images in 16 million colors Halftone* None Determines tones based on data format Mode A Converts image into a hard tone to produce a distinct image (1 and 2 bits/pixel/color) Mode B Converts image into a softer tone; most suited for images containing large areas of similar tones (1 bit/pixel/color) Mode C Represents images in the same way as the net screen commonly used for newspaper photographs (1 bit/pixel/color) Dither A Expresses halftone in a 4 × 4 bayer dither pattern Dither B Expresses halftone in a 4 × 4 spiral pattern Dither C Expresses halftone in a 4 × 4 net screen dither pattern Dither D Expresses halftone in 8 × 8 net screen dither pattern Capturing Images From Within Applications 3-9

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
Capturing Images From Within Applications
3-9
Not all options in the Image Type dialog box are available with
all scanners, image types, or Pixel Depth settings. See page 3-11
for more information on when the Pixel Depth settings are
available. The table below describes the Image Type advanced
options.
Image Type advanced options
Category
Option
Function
Pixel Depth
Black & White
Uses a data format of 1 bit/pixel to
produce black and white images
16 Gray
Uses a data format of 4 bits/pixel to
produce 16 shades of gray
256 Gray
Uses a data format of 8 bits/pixel to
produce 256 shades of gray
8 Color
Uses a data format of 1 bit/pixel/color to
produce images in 8 colors
256 Color
Uses a data format of 8 bits/pixel/color to
produce images in 256 colors
16 Million Colors
Uses a data format of 8 bits/pixel/color to
produce images in 16 million colors
Halftone*
None
Determines tones based on data format
Mode A
Converts image into a hard tone to
produce a distinct image (1 and
2 bits/pixel/color)
Mode B
Converts image into a softer tone; most
suited for images containing large areas
of similar tones (1 bit/pixel/color)
Mode C
Represents images in the same way as
the net screen commonly used for
newspaper photographs
(1 bit/pixel/color)
Dither A
Expresses halftone in a 4
×
4 bayer dither
pattern
Dither B
Expresses halftone in a 4
×
4 spiral pattern
Dither C
Expresses halftone in a 4
×
4 net screen
dither pattern
Dither D
Expresses halftone in 8
×
8 net screen
dither pattern