Display list – HP QMS 1660E User Manual

Page 115

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Memory

5-17

Additional Technical Information

Display List

Also known as K Mem Display, this client stores compressed repre-
sentations, or blocks, of the pages to be printed. It takes approxi-
mately one compressed block for a normal 8.5" x 11" (215.9 mm x
279.4 mm) text page, four compressed blocks for an 8.5" x 11"
(215.9 mm x 279.4 mm) page that includes some graphics, and as
many as 500 compressed blocks for an extremely complex page.

Many pages of compressed blocks belonging to multiple print jobs
can be stored at the same time in the display list. If enough memory is
allocated to this memory client, a page can always be ready to print
as soon as another page has been imaged to the print engine.

The amount of memory required for each compressed block is printer
specific. The QMS 1660E Print System takes approximately 64 KB of
memory from the display list for each compressed block. However, if
a page includes raster image data (for example, TIFF or bitmap data),
each compressed block will require much more memory.

Increasing the amount of memory in this client may improve printing
throughput and minimize slowdowns due to collating or printing com-
plex pages. If not enough memory is allocated to this client, memory
is taken from the excess memory client to complete a print job.

B4
B5
B6

1528
748
372

6072
2964
1444

12076
5892
2868

24148
11784
5732

Executive

788

3124

6220

12440

Full Ledger

2164

8604

17124

34244

Legal
Letter

1252
968

4968
3848

9868
7676

19732
15352

Postcard/A6 240

944

1860

3720

Universal

2112

8400

16720

33440

Media

Minimum Frame Buffer Size (in KB)

300x300 dpi

600x600 dpi

1200x600 dpi

1200x1200 dpi

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