Xerox FREEFLOW 701P25032 System Manual

Also see for FreeFlow version 6.0: System guide Software guide Security guide

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Xerox FREEFLOW 701P25032 System Manual Manual pdf 104 page image

8-6 System GuideHints and Tipsvariable objects to be overlaid on fixed underlays or backgrounds,it is also important to ensure that the objects are properly croppedor bounded and at the lowest acceptable resolution. The PrintServer can compose 2 variable data objects of 2 inches by 2inches and 300 dots/inch resolution about 10-20 times faster thanit could if the same objects were 600 dpi and 8.5x11 inches.Image Quality (IQ)Generally the image quality of a base printing system is aboveaverage and the Image Quality (IQ) enhancements filters providedwithin the Xerox FreeFlow Print Server is unnecessary. If you wishto improve output IQ, the Print Server provides separate controlsfor enabling Anti Aliasing, Trapping, and Intelligent BlackOverprint.Disabling all three of these IQ filters improves performance. If youare printing only a small number of copies, the expected increasein RIP time is visible as a significant fraction of the total jobprocessing time.When printing documents with a large a number of copies, thenthe majority of the processing time is devoted to the actual printingand the RIP performance decrease is less visible (a smallerfraction of the total job time). You should examine the XeroxFreeFlow Print Server printed output with the IQ enhancing filtersenabled and disabled and decide whether the IQ improvement isworth the performance drop for this particular job.On DC 2045/2060/6060/5252 and 8000 there are certainscenarios in which the printer will cycle down and do an ImageQuality (IQ) adjustment. The percent area coverage of the page(that is, amount of image/text written on the page) also effects thenumber of IQ adjustments that the printer makes. A standard lettersize page (8.5x11 inches) is about 21.6x27.9 cm or about 603.5square cm.If the text and images written to a page cover more than about 250square cm (about 40% of the page), then the print engineautomatically generates IQ adjustments.If you find that a particular document seems to take a long time toprint because of IQ adjustments, improve performance bysimplifying the page. For example, the text and images on thepage might be downsized to cover less than 40% of the viewablearea of the paper and the performance may improve because theprinter does fewer IQ adjustments.The DC 2045/2060/6060 print engine also performs IQadjustments if a difficult job is being processed and RIP fallsbehind the print output. If this occurs, the print engine will cycledown for a few seconds while the RIP catches up and then itperforms an IQ adjustment which takes anywhere from 5-95seconds. During the IQ adjustment, the printer does not printanything. However, the RIP continues and be slightly ahead. As