Canon Arizona 6100 XTHF Mark II Series User Manual page 171

4. Place the new lamp filter by inserting one long edge into the channel on top of the lamps.
Squeeze the filter so that the middle bulges and allow the other edge to slide into the other
channel. Use your thumb to insert the filter under the edges of the lamp cover.
5. Repeat these steps for the other filters.
How to Change the UV Lamp Filters
Chapter 9 - Printer Maintenance 171