Identification The serial number and the model number are listed on the identification label located on the rear output bin. The serial number contains information about the Country of Origin, the Revision Level, the Production Code, and the production number of the printer. As shown in figure 1-1, the label also contains power rating and regulatory information. NOTE: These values vary by region. Figure 1-1 Sample Identification Label 4 Chapter 1 Product Information C4170-90959