Xerox 3450B Service Manual - Page 145

Serial Number Format Changes to Xerox products are made to accommodate improved components as they become available. It is important when ordering parts to include the following information: ■ Component's part number ■ Product type or model number ■ Serial number of the printer Serial numbering. Particular fields in the serial number indicate the modification level of the printer, the date of its manufacture and the sequence number of the printer produced on that day. The serial number is coded as follows: ■ The text "S/N" followed by the serial number in the barcode. ■ The barcode does not include a field identifier. ■ The nine digit serial number is based on the following format: PPPRSSSSS PPP = Three digit alphanumeric product code Product 3450 3450V Model B, D, DN B, D, DN Voltage 110V 220V Product Code PMY PNC R - Single digit numeric revision digit. To be rolled when a major product change occurs. Initiated with a change request. SSSSS - Five digit numeric serial number. Serial Number Example: PMY453072: PMY = Product code for the 110V Printer 4 = Revision level 53072 = Serial number 9-2 Phaser 3450 Laser Printer Service Manual