2-18 Packet Reference Manual
Defining the Memory Configuration Packet
Use the memory configuration packet (M) to customize the size of your printer’s buffers, which
gives you greater flexibility in your formats.
Memory must be allocated in 1/2K increments. The memory configuration packet does not accept
decimals, so enter whole numbers. Multiply the amount to reallocate (in K) by 10. For example,
229.5 2295
Each buffer’s allocated memory remains in effect until that buffer is reallocated. For this reason,
you may want to reallocate all the buffers when reallocating any buffer. If you reallocate more
memory than you have available, you receive an error.
Syntax {I,M,buffer,device,buffer_size | }
M1. M Memory Configuration Packet
M2. buffer Buffer type. Options:
D Downloadable Fonts
F Format
I Image
M3. device Storage Device. Use R for volatile RAM. Packets stored in volatile
RAM are deleted when the printer is turned off.
Note: You cannot reallocate flash memory.
M4. buffer size Buffer size in 1/10K ranges. The printer’s configuration is stored in
non-volatile RAM and saved when the printer is turned off. The
maximum value for each buffer is listed; however, the sum of all the
buffers cannot exceed the maximum available memory of the printer.
I Image Buffer 330K (41.5K – 6144K)
D Downloadable Fonts 64K (8K – 8192K)
F Formats Buffer 150K (16K – 1024K)
You cannot reallocate more memory than what is available, or you
receive an error.
Example {I,M,I,R,1530 | }
Stores the image buffer in volatile RAM and allocates 153K for it.
Checking Current Buffer Sizes
Send a configuration upload packet to check the sizes of your current buffers. See “Configuration
Packet Header” for more information. After you check your current buffer sizes you can begin
reallocating memory.
If you want to increase your image buffer and you will not be using downloaded fonts, add that
memory into your image buffer.
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