QMS 860 Betriebsanweisung PDF herunterladen (Seite 337)

divisible by 4 KB, it is automatically converted to the next

lower value that is divisible by 4 KB. For example, if you

enter 102 KB, the actual value is lowered to 100 KB,

assuming there is enough memory available to allocate

to this client. See chapter 4, the “Administration /

Memory” section, for the minimum and default settings

for each memory client. The amount shown on the status

page will then be 102,400 (100 x 1024).

Frame Buffer

Also known as K Mem Framebuff, the frame buffer memory client

holds rasterized or bitmapped images of page faces which are ready

to be sent to the physical print engine. Any task that affects the page

faces—such as increasing paper size or printing at a higher

resolution—may require increasing the amount of memory

allocated to this client to boost print speed and overall system

throughput. If not enough memory is allocated to this client,

memory is taken from the display list to complete a print job.

A frame holds the contents of a single page image. Because the

frame buffer memory is so critical to the actual printing of a page,

its allocation takes precedence over that of other memory clients.

Therefore, you cannot set the frame buffer to an amount smaller

than that required to image a page of the selected size.

The number of frames needed to print at engine speed is engine

specific and depends on what paper size you are using, and at what

resolution. For example, printing at 600 dpi requires four times the

amount of memory in the frame buffer than does 300 dpi.

Appendix F

Additional Technical Information F-9

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QMS 860 Betriebsanweisung Seite 337