HP LaserJet 4 Service Manual - Page 89
Memory Requirements
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Memory Requirements A page's complexity (rules, graphics, or dense text) may exceed the printer's ability to create the image rapidly enough to keep pace with the printing process. If a page is too complex, only part of the page prints, and some print data loss is likely. In such cases, a 21 PRINT OVERRUN message (signifying possible loss of print data) or a Clearable Warning message appears in the display. Table 3-12 Minimum Memory Recommendations LaserJet 4 Only PCL Only PostScript Only Resolution Letter/A4 Pages1 Page Protect OFF Legal Pages1 Page Protect OFF Letter/A4 Pages1 Page Protect ON Legal Pages1 Page Protect ON 300 dpi 2 (1.6)2 2 (1.6) 2 (0.8) 3 (1.6) 600 dpi 2 (1.4) 2 (1.4) 6 (1.9) 6 (1) 300 dpi 2 (1) 3 (1.7) 2 (1) 3 (1.7) 600 dpi 6 (2.3) 6 (1.3)3 6 (2.3) 6 (1.3) 1 More memory may be required if using downloaded soft fonts, forms, or complex text with a large number of downloaded typefaces. 2 Numbers in parentheses indicate the approximate amount of memory available to the user for data files, downloaded typefaces, and other non-system uses. 3 For PostScript language applications only, a "mini-legal" page will print with this amount of memory. Configuration 3-53