Normal Density Bit Image Graphics (ESC K)
1B 4B LL HH NN .. NN
This control prints the supplied bit image data at 60 horizontal pel by 72 vertical pel.
Bit image data can be mixed with text data on the same line.
A two-byte count (LLHH) indicates the number of bytes that follow in this control.
LL is the least significant byte of the count; HH is the most significant byte. (The
number of bytes that follows should equal HH ×256 + LL.) If the count equals
X'0000', the control is ignored.
NN .. NN are the bytes containing the bit image data. The data format is in 8-bit
vertical slices, with the least significant bit the bottom dot and the most significant
bit the top dot. B'1' indicates a pel to be printed; B'0' indicates an unprinted pel.
Data that exceeds the right margin is discarded.
Dual Density Bit Image Graphics Type 1 (ESC L)
1B 4C LL HH NN.. NN
This control prints the supplied bit image data at 120 horizontal by 72 vertical pel.
Bit image data can be mixed with text data on the same line.
A two-byte count (LLHH) indicates the number of bytes that follow in this control.
LL is the least significant byte of the count; HH is the most significant byte. (The
number of bytes that follows should equal HH ×256 + LL.) If the count equals
X'0000', the control is ignored.
NN .. NN are the bytes containing the bit image data. The data format is in 8-bit
vertical slices, with the least significant bit the bottom dot and the most significant
bit the top dot. B'1' indicates a pel to be printed; B'0' indicates an unprinted pel.
Data that exceeds the right margin is discarded.
Begin Skip Perforation (ESC N)
1B 4E NN
This control sets the number of lines to be skipped at the bottom of each page.
Once this function is activated, it stays active until the End Skip Perforation (ESC
O) or Set Page Length (ESC C) control is received or the printer is initialized.
NN is a one-byte hexadecimal value that specifies the number of lines to skip at the
bottom of each page. This value must be zero or greater and less than the length of
the page in lines (from 0 to 255). Once Begin Skip Perforation is activated, the
number of lines that may be printed on a page is the page length minus NN.
End Skip Perforation (ESC O)
1B 4F
This control ends skip perforation.
AppendixD. Personal Printer Data Stream (PPDS) 203