This product works on the following models ModelModel NameSupport Link 33491AHP LaserJet IIISi Printer33491A Parts and Support C2010AHP LaserJet 4Si PrinterC2010A Parts and Support C2011AHP LaserJet 4Si MX PrinterC2011A Parts and Support
Related Products PartDescription RG5-0038-000CNLeft block - Side of main structure before fusing assembly