The memory requirements for printing a legal size page depend on the selected resolution, the imageable area, number of fonts downloaded to the printer, and the PostScript overhead requirements. The imageable area can be calculated from the border information available in page setup by clicking on the dog-cow icon.
The chart below indicates the amount of memory set aside by the printer for the page buffer which stores the processed image just before printing.
DPI(H) X DPI(V) X Imageable Area = Page Buffer Comments
ðððððð ðððððð ðððððððððððððð ððððððððððð ðððððððð
300 300 6.722 x 12.5 945K Std. Legal
300 300 8.112 x 13.639 1.245MB Larger Print Area On
600 600 6.722 x 12.5 3.781MB Std. Legal
600 600 8.112 x 13.639 4.979MB Larger Print Area On
Once the printer has allocated memory for the page buffer it also allocates space for the PostScript interpreter, PostScript dictionaries, display list, font caching, and program memory. The standard 7 MB LaserWriter Select 360 provides enough DRAM to print a full legal page at 600 DPI with over 1MB of virtual memory remaining for downloading fonts.
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