How to replace the main filter of IMAJE 9232/9410/9450 inkjet printer?

We turn off the machine, shut it down, unplug it directly, and then we remove the filter:

Just take the two screws off:

We took this filter down:

Then put the O-ring on top of the new filter:

When installing, these two holes must be aligned with its two holes：

Then we install the main filter: