Brother PCL Technical Reference Manual page 103

Byte Data
position
0 - 1 6E 6E
2 - 3 0A 00
4 - 7 5E 00 00 00
8 - 11 File length
12 - 13 01 00
14 - 15 01 00
16 - 19 4A 00 00 00
20 - 21 Compression mode
22 - 55 00 ... 00
56 - 59 Picture data length
60 - 61 01 00
62 - 63 01 00
64 - 65 Pixels/line
66 - 67 Pixels/line
68- 69 Lines/picture
71 - 71 Lines/picture
72 - 73 00 00
74 - 75 Photometrics 00 00
or 01 00
76 - 77 02 00
78 - 79 Fill order 01 00 or
02 00
80 - 81 01 00
82 - 83 00 00
84 - 85 01 00
86 - 87 Resolution 200,
300, 400, 600
88 - 89 Resolution 200,
300, 400, 600
90 - 91 02 00
92 - 93 00 00
For further information about the CCITT G3/G4 data format, please refer to CCITT (The International
Telegraph and Telephone Consultative Committee) BLUE BOOK Volume VII.
Description
'nn' This is header ID.
Reserved
Picture data start offset from header top
File length including 94 Byte header. If file length is 65,536 byte,
these 4 bytes become "00 00 01 00"
Reserved
Reserved
Reserved
02 00: Fax MH format
03 00: Fax MR format
04 00: Fax G4 format
All zero
If picture data length is 65,442 (65,536 ~-94) byte, these 4 bytes
become "A2 FF 00 00."
bit / pixel
bit / pixel
If picture dot width = 2,400, these 2 bytes become "60 09"
Same as above.
If picture dot count = 3,100, these 2 bytes become "1C 0C."
Same as above.
Reserved
00 00 : data 0 = white
01 00 : data 0 = black
Reserved
01 00 : filled from MSB
02 00 : filled from LSB
Reserved
Reserved
Reserved
C8 00 00 00 : 200 dpi,
90 01 00 00 : 400 dpi,
400 and 600 dpi are available when the printer operates in 600 dpi
mode.
C8 00 00 00 : 200 dpi,
90 01 00 00 : 400 dpi,
400 and 600 dpi are available when the printer operates in 600 dpi
mode.
Reserved
Reserved
CHAPTER 2 "PCL" - 85
2C 01 00 00 : 300 dpi,
58 02 00 00 : 600 dpi
2C 01 00 00 : 300 dpi,
58 02 00 00 : 600 dpi
2006/05/31