Xerox 8500DN Service Manual - Page 324

Parts Lists 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 Model Product Code 8400 8400 8500 8550 8550 8560 B, BD, N, DP, DX DPF N, DN DP, CT, DX DPF N, DP, DT, DX RPC TMV WYN WYP L91 FBT 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: RPC453072: 4 = Revision level 53072 = Serial number 9-2 Phaser 8400/8500/8550/8560 Color Printer Service Manual