HP-7700 key replacement

Hello, I have a Roland HP-7700 that needs one of the keys replaced. I have watched the few available videos on youtube how to replace key on Roland synths, but none of them were HP-7700.
The issue I have is, I can get to the stage where I have access to the back of the key and I can lift it up with a flat screwdriver, but the front of the key wont release. Looks like I need to remove the black front panel? If yes, how?
Or how can I get the front of the key out as well?
Thanks in advance.

Hi
Some digital pianos the keyboard needs to be removed and lifted out (or rest the front of the keyboard assembly on the front key slip) so you can mover the key forward slightly to remove.