You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Byte Position Bytes Field Name Description<br />
15-16 2 Relative Printhead<br />
Position<br />
Chapter 4. Record Formats<br />
PrintHead Requirements Record (PHR)<br />
An unsigned binary number that represents the offset, in dots, of<br />
this printhead relative to the starting position of the first (leftmost)<br />
printhead. A binary 0 in this field for all printheads indicates that<br />
printhead positioning is not specified in the job file.<br />
17-18 2 Reserved This field, reserved for the first printhead, is not used and must<br />
contain all binary zeroes.<br />
19-20 2 Number of Jets The number, in binary, of jets in the second printhead. The second<br />
printhead is second from the left when looking in the direction of<br />
substrate movement.<br />
Continue - repeat bytes 11-18 for each printhead.<br />
The first printhead prints from the first n columns of the page buffer, where<br />
n is the number of jets specified in positions 11-12 of the PHR. The<br />
second printhead prints from the next m columns, where m is the number<br />
of jets specified in positions 19-20 of the PHR, and so forth.<br />
Reference Guide 4 - 9
Change language