ijpds formats.book - Kodak

Chapter 4. Record Formats
Set Page Length (SPL)
Set Page Length (SPL) The SPL record specifies the length of the current page. By default, the
length of each page is calculated based on the image data on the page.
The page length is the number of dot rows to be printed. Printing always
starts at the top of the buffer (Y = 0). The default page length is the
maximum of the Y value of any position that the cursor ever occupied on
the page, or one more than the highest Y position occupied by the cell or
bounding box of any character, BOX or IBM.
Byte Position Bytes Field Name Description
Using the SPL record, the page length can be set to be longer or shorter
than the length calculated based on the image data. If the page length is
set to be shorter than the calculated length, part of the image will be
clipped. If the page length is set to be longer than the calculated length,
white space is included up to the specified length.
If the SPL record occurs more than once for a page, the last value
specified is used.
1-2 2 Record Length The length of this record, in binary, including the record length
field. For example, hex 00 0C specifies a record length of 12 bytes.
3 1 Cyclic Record Count A binary cyclic record count using modulo 256. Each record in the
job is counted, starting with hex 01 for the first record. The 255th
record is hex FF and the 256th record is hex 00. This count is used
to verify record sequence.
4 1 Control Code A binary code that identifies the record type. A value of hex 3A
identifies the SPL record.
5-6 2 Page Length An unsigned binary value representing the page length in dots.
The range is 1 to the maximum page buffer length. For example,
0E 06 represents a page length of 3590 dots.
Reference Guide 4 - 55