This power supply transformer is designed for use with IBM printers of the PROPRINTER series. It is compatible with IBM brand products and specifically tailored for use with the 04F5243 model. This item is essential for ensuring proper power flow and functionality of your printer. With this transformer, you can rest assured that your printer will work reliably and efficiently. It is an ideal replacement for any damaged or worn-out power supply transformers in your printer. Add this essential component to your printing setup today to keep your business running smoothly.