Switch off the product and remove the power cable.
1. Open the Window.
2. Unclip the Window hinges from the Top Cover.
Since the hinges are very hard to unclip, it is recommended that you use a screwdriver or other tool to forcefully unclip the Window hinges from the Top Cover.
3. Remove the Window from the Printer.
Installation of New Window
1. Identify the two ends of the Window Hinge (four in total) - one end is clipped to the Window and the other to the Top Cover.
2. Slide the Window Hinges on to the Window.
3. Clip the Window Hinges to the Top Cover.
Since the hinges are very hard to clip, you will need to forcefully clip the Window hinges to the Top Cover.