The 4850 NPS is targeted for 100-750K impressions per month. The 4890 NPS is targeted for 250K-1. 3 million impressions per month. Usage outside this range may vary the service frequency. Printer module · · · · No throughput degradation for highlight color printing Simultaneous exposure of both black and color images for excellent registration Black dry ink (permanent) plus one color Customer Changeable Unit (CCU) which will be either Red, Blue, Green, Cyan, Magenta, Cardinal, Royal, Ruby, Violet, or Brown Operator attention light ­ 186 in. by 106. (473 cm by 271 cm) · DocuPrint 4850/4890 printer with high-capacity feeder and stitcher/stacker ­ 184 in. by 106. (467 cm by 271 cm) Note: Additional space (6 in. by 64 in. / 15 cm by 163 cm) is required in front of the printer for CCU cart operability. For additional space/configuration options, refer to the Xerox DocuPrint 4850/4890 NPS Installation Planning Guide (Pub #721P8XXXX). Speed Data can be printed at rates up to 92 pages per minute. Throughput rate can vary depending upon job complexity and system configuration. System connections Ethernet / Token Ring / FDDI: Special considerations · · · · · · Color toner detection by Optical Character Recognition (OCR) scanners is wavelength dependent. Appearance of a very small, white transition region between solid color and solid black images is common to tri-level xerographic printing. Transference of the black toner to poly-vinyl surfaces is a common occurrence; color toner does not transfer. Print quality is guaranteed to a range of three to four millimeters for edge marking and six millimeters for text printing to the edge of the page. Xerox carbonless paper is approved for DocuPrint 4890 only. Refer to the Xerox Supplies Catalog for the reorder numbers...