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Buffer Allocation Considerations
Keep these items in mind when allocating memory.
◆
Do not allocate more memory than what is available.
◆
Free memory from one buffer before you add it to another
buffer.
◆
Reallocate all the buffers if you need to reallocate any buffer.
◆
Send all buffer (re)allocations in one packet. The printer
evaluates each individual buffer allocation separately. If one
buffer allocation is invalid, the entire packet is invalid. For
example, if you send
{I,M,R,N,20 p
M,T,N,60 p
...}
the printer ignores the entire packet, because the second line
allocates 6K for the transmit buffer, and 4K is the maximum for
that buffer. If you define a buffer size that exceeds the
maximum value, an error occurs. However, no information is
lost.
◆
Whenever the printer accepts a memory configuration packet,
it takes effect immediately, causing a printer reset. Any
information contained in the buffers is lost. Resend your
formats, batches, graphics, or fonts to the printer.
◆
If you remap your image buffer, make sure the length and
width specified in your format header are not too large for the
current image buffer. In other words, if you remap for a 4 x 4
inch label, you cannot print a 4 x 6 inch label without receiving
an error, until you change your format header or increase your
image buffer.
Configuring the Printer 3-21