34
00 00
00 11 // Name length
6d 65 64 69 61 2d 63 6f 6c 2d 64 65 66 61 75 6c 74 // "media-col-default"
00 00 // Always zero

4a // Collection member 
00 00 // Always zero
00 0a // Value length
6d 65 64 69 61 2d 74 79 70 65 // "media-type"
44 // Keyword
00 00 00 0a 
73 74 61 74 69 6f 6e 65 72 79 // "stationery"

4a // Collection member 
00 00 // Always zero
00 0a // Value length 
6d 65 64 69 61 2d 73 69 7a 65 // Member name "media-size"

34 // Begin Collection
00 00 // Name Length (In this case there is no name)
00 00 // Always zero

4a 
00 00 
00 0b 
78 2d 64 69 6d 65 6e 73 69 6f 6e // "x-dimension"
21 // Integer value
00 00
00 04 
00 00 52 08 

4a 
00 00 
00 0b 
79 2d 64 69 6d 65 6e 73 69 6f 6e // "y-dimension"
21 // Integer value
00 00 
00 04 
00 00 74 04 
37 00 00 00 00 // End

4a 
00 00 
00 13 
6d 65 64 69 61 2d 62 6f 74 74 6f 6d 2d 6d 61 72 67 69 6e // "media-bottom-margin"
21 
00 00 
00 04 
00 00 01 b0 

4a 
00 00 
00 11 
6d 65 64 69 61 2d 6c 65 66 74 2d 6d 61 72 67 69 6e 
21 
00 00 
00 04 
00 00 01 b0 

4a 
00 00 
00 12 
6d 65 64 69 61 2d 72 69 67 68 74 2d 6d 61 72 67 69 6e // "media-right-margin"
21 00 00 00 04 00 00 01 b0 

4a 
00 00 
00 10 
6d 65 64 69 61 2d 74 6f 70 2d 6d 61 72 67 69 6e 
21 00 00 00 04 00 00 01 b0 

4a 
00 00 
00 0c 
6d 65 64 69 61 2d 73 6f 75 72 63 65 // "media-source"
44 // Keyword
00 00 
00 04 
61 75 74 6f // "auto"
37 00 00 00 00 // End

23 00 1d 6f 72 69 65 6e 74 61 74 69 6f 6e 2d 72 65



From ipptool
media-col-default (collection) = 
{media-type=stationery media-size={x-dimension=21000 y-dimension=29700}
media-bottom-margin=432 
media-left-margin=432 
media-right-margin=432 
media-top-margin=432 media-source=auto}