XEROX DOCUPRINT 4850/4890 NPS TROUBLESHOOTING GUIDE iiiLaser safety! Warning: Adjustments, use of controls, or performance ofprocedures other than those specified herein may result inhazardous light exposure.The Xerox DocuPrint printers are certified to comply with theperformance standards of the U.S. Department of Health, Education,and Welfare for Class 1 laser products. Class 1 laser products do notemit hazardous radiation. The DocuPrint printers do not emithazardous radiation because the laser beam is completely enclosedduring all modes of customer operation.The laser danger labels on the system are for Xerox servicerepresentatives and are on or near panels or shields that must beremoved with a tool. DO NOT REMOVE LABELED PANELS ORPANELS NEAR LABELS. ONLY XEROX SERVICEREPRESENTATIVES HAVE ACCESS TO THESE PANELS.Ozone informationThis product produces ozone during normal operation. The amountof ozone produced depends on copy volume. Ozone is heavier thanair. The environmental parameters specified in the Xerox installationinstructions ensure that concentration levels are within safe limits. Ifyou need additional information concerning ozone, call 1-800-828-6571 to request the Xerox publication 600P83222, OZONE.Operation safetyYour Xerox equipment and supplies have been designed and testedto meet strict safety requirements. They have been approved bysafety agencies, and they comply with environmental standards.Please observe the following precautions to ensure your continuedsafety.• Always connect equipment to a properly grounded electricaloutlet. If in doubt, have the outlet checked by a qualifiedelectrician.! Warning: Improper connection of the equipment groundingconductor may result in risk of electrical shock.• Never use a ground adapter plug to connect equipment to anelectrical outlet that lacks a ground connection terminal.