Xerox CopyCentre/WorkCentre/WorkCentre Pro 123/128/133 User Guide 131 Before Using the MachineWelcome to the Xerox family of CopyCentre/WorkCentre products.This User Guide provides detailed information, technical specifications and proceduresfor using the integral features of the machine.Xerox Welcome CenterIf you need assistance during or after product installation, visit the Xerox website foron-line solutions and support.http://www.xerox.com/supportIf you require further assistance, contact our experts at the Xerox Welcome Center. Alocal representative telephone number may have been provided when the product wasinstalled. For convenience and future reference, please record the telephone numberin the space below.Welcome Center or local representative telephone number:#Xerox US Welcome Center: 1-800-821-2797Xerox Canada Welcome Center: 1-800-93-XEROX (1-800-939-3769)When you call the Welcome Center you will need the serial number which is located onthe left side of the machine behind Cover A, as shown in the diagram.For your convenience, record the serial number in the space below.Serial Number:Keep a record of any error messages. This information helps us solve problems faster.