50 Xerox Phaser 5400 Laser PrinterTroubleshootingTroubleshootingIf your printer is not operating properly, check the following: The printer is plugged in and switched on. The data cable is correctly connected to the printer. The media trays are inserted correctly and the doors are securelyclosed. Is there a control panel error message displayed? Your computer has the correct driver installed and properlyconfigured for your printer.For detailed troubleshooting information, refer to the following: Advanced Features and Troubleshooting Manual on the CD-ROMthat was shipped with your printer. infoSMART™ Knowledge Base (troubleshooting knowledgedatabase) on the Xerox Printer web site:www.xerox.com/officeprinting/infoSMARTReplacing the Laser Print CartridgeTroubleshooting may require that you replace the Laser PrintCartridge.WarningTo avoid possible injury, never touch the Fuser area insidethe printer (where a label indicates high temperature).CautionDo not expose the Laser Print Cartridge to direct sunlight orartificial light for more than 15 minutes. Overexposure willpermanently damage the photosensitive imaging drum.Do not open the drum shutter or touch the blue imagingdrum surface.