All HP LaserJet 4, 5, and 6 family printers also include
enhancements to improve the internal storage of raster
graphics data.
Additional MEt
Features
With MEt, font data can also be compressed. All
downloaded bitmap characters and characters scaled from
internal or downloaded scalable outlines can be
compressed. The amount of memory savings varies with the
size of the characters involved (larger is better) but
character sizes can typically be cut in half. This allows
roughly twice as many fonts to be downloaded or scaled
using a MEt-enhanced LaserJet printer as previously
allowed on printers without MEt.
In prior PCL 5 printers, if the page could not be rendered as
fast as the laser printed it, a Print Overrun error occurred
unless page protection was manually turned on and
memory was added to accommodate it. With MEt, the
manual setting of Page Protection and the additional
memory required to facilitate it is obsolete. MEt
automatically assesses the complexity of the page being
printed and if too complex turns on a new form of page
protection which uses compression to remove the
requirement for additional memory.
In rare circumstances MEt’s assessment of the page may
prove to be incorrect. For these cases there is some amount
of control over this Page Protection process depending upon
which MEt-equipped printer is being used. Page Protection
may be explicitly turned on or off to avoid the complexity
assessment and either always or never perform the page
protection process. See the appropriate user manual for
details.
MEt also includes other internal memory-saving techniques
which improve the amount of memory required for the
printer’s internal representation of your page.
Memory Usage 5-3
Summary of Contents for PCL 5
Page 8: ...Contents 4 ...
Page 174: ...5 8 Memory Usage ...
Page 198: ...A 24 Printer Commands ...
Page 201: ...8U Roman 8 R8 7J DeskTop DT Internal Symbol Set Charts B 3 ...
Page 202: ...0N ISO 8859 1 Latin 1 E1 19U Windows 3 1 Latin 1 W1 B 4 Internal Symbol Set Charts ...
Page 203: ...12U PC 850 Multilingual PM 10U PC 8 Code Page 437 PC Internal Symbol Set Charts B 5 ...
Page 204: ...12J MC Text MC 10J PS Text TS B 6 Internal Symbol Set Charts ...
Page 205: ...11U PC 8 Danish Norwegian PD 13J Ventura International VI Internal Symbol Set Charts B 7 ...
Page 206: ...1U Legal LG 14J Ventura US VU B 8 Internal Symbol Set Charts ...
Page 207: ...6J Microsoft Publishing PG 9U Windows 3 0 Latin 1 WO Internal Symbol Set Charts B 9 ...
Page 208: ...17U PC 852 Latin 2 PE 9T PC Turkish PT B 10 Internal Symbol Set Charts ...
Page 209: ...9E Windows 3 1 Latin 2 WE 2N ISO 8859 2 Latin 2 E2 Internal Symbol Set Charts B 11 ...
Page 210: ...5N ISO 8859 9 Latin 5 E5 5T Windows 3 1 Latin WT B 12 Internal Symbol Set Charts ...
Page 211: ...9J PC 1004 Code Page 1004 PU 26U PC 775 Code Page 775 PV Internal Symbol Set Charts B 13 ...
Page 212: ...19L Windows Baltic WL 6N ISO 8859 10 Latin 6 E6 B 14 Internal Symbol Set Charts ...
Page 213: ...6M Ventura Math VM 8M Math 8 M8 Internal Symbol Set Charts B 15 ...
Page 214: ...5M PS Math MS 15U Pi Font PI B 16 Internal Symbol Set Charts ...
Page 215: ...19M Symbol Font AS 579L Wingdings Font L Internal Symbol Set Charts B 17 ...
Page 216: ...9L Ventura ITC Zapf Dingbats DV 10L PS ITC Zapf Dingbats DS B 18 Internal Symbol Set Charts ...
Page 218: ...13L ITC Zapf Dingbats series 300 D3 B 20 Internal Symbol Set Charts ...
Page 221: ...Table B 2 Roman 8 Character Conversion Internal Symbol Set Charts B 23 ...
Page 222: ...Table B 2 Roman 8 Character Conversion continued B 24 Internal Symbol Set Charts ...
Page 223: ...Table B 2 Roman 8 Character Conversion continued Internal Symbol Set Charts B 25 ...
Page 224: ...Table B 2 Roman 8 Character Conversion continued B 26 Internal Symbol Set Charts ...
Page 225: ...Table B 2 Roman 8 Character Conversion continued Internal Symbol Set Charts B 27 ...
Page 226: ...Table B 2 Roman 8 Character Conversion continued B 28 Internal Symbol Set Charts ...
Page 227: ...Table B 2 Roman 8 Character Conversion continued Internal Symbol Set Charts B 29 ...
Page 228: ...B 30 Internal Symbol Set Charts ...