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Temporary Emulation
Also known as K Mem Emul Tmp and Emulation Temporary, this cli-
ent sets the amount of system memory to be used by non-PostScript
emulations for storing downloaded fonts, forms, and macros. By ded-
icating a portion of memory to this client, your printer can perform
"context switching," the ability to retain downloaded fonts and forms
even after the printer changes from one emulation to another. Context
switching prevents unnecessary repetitive downloading and traffic
congestion on networks.
Normally, this memory client doesn't need to be changed unless you
plan to download many different non-PostScript fonts.
Spool Buffers
Also known as Host Input and K Mem for Spool, this memory client
stores incoming data from all the interfaces until the emulation can
process the print job. When enough memory is allocated to this client,
the host becomes free more quickly, and the number of jobs that the
printer can accept simultaneously is increased. You should consider
the amount of data being sent simultaneously when allocating mem-
ory to the spool buffer. If available, a hard disk can supplement this
client with additional memory needed for spooling. See "Hard Disk
Management" later in this section.
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Note: While increasing this client is beneficial in reducing network traffic,
throughput is not necessarily increased. In addition, making this client too
large could actually decrease throughput because of the overhead involved
with managing a large spool.
Disk Cache
This memory client stores frequently used data in system memory
instead of continually storing and retrieving it from a hard disk. If a
hard disk is used and a lot of disk access is required, adding memory
to the disk cache may increase the printer's performance. For exam-
ple, if many fonts are stored on disk, faster access to these fonts is
achieved by increasing the disk cache size. Conversely, if no hard
disk is used, the disk cache should be set to 36 KB until a hard disk is
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QMS 1725E Print System Reference
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