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Using Non-volatile RAM
You can save graphics to non-volatile RAM on the 9830, 9835,
9840, and 9850 printers. Graphics are saved when you turn off
the printer. You can remove graphics from memory if necessary
by sending a clear packet. See "Clearing Packets from Memory"
in Chapter 2 for more information.
Using Volatile RAM
You should use RAM when the graphic image is used by several
formats, because you only have to send the graphic image once.
This eliminates the need to send the graphic image repeatedly.
See "Placing the Graphic in a Format," for more information about
using the graphic packet in a format. Graphics smaller than
approximately 1/2 inch by 1/2 inch can be stored in printer RAM
and referenced by the graphic ID number.
Graphics are stored in the format buffer and
remain there until another graphic packet is
sent or the printer is turned off.
Using Temporary Storage
You should use temporary storage when the graphic image is
used only in one format or your graphic image is very large.
Graphic data in temporary storage is held in the image buffer until
the graphic is printed and then it is cleared from memory.
Temporary graphics are also cleared from memory when you send
a new batch or update batch. You can use the same graphic
image multiple times on a format. Send the graphic image to the
printer after the format to which it applies.
If a graphic is stored in temporary storage, do not place a graphic
field in the format. This will cause an error. Instead, position the
graphic image by using the row and column locations in the
graphic packet header. Image memory (temporary storage) will
accept a graphic packet 1218 rows long with 811 dots per row.
5-10
Creating Graphics