Epson P8000 Clogged Head

I have a clogged head in my LK ink. I've done all the cleanings from Epson menu, but cannot get a clean print in the nozzle check, and it shows up in mild banding on actual prints.

I've done a lot of searching in Google and YouTube, but haven't run across any relevant data for the P-Series. Epson has lots of videos about the S-Series, but haven't found a suitable one for my printer. Does anyone know how to access the print heads, to undock them so I can run them over a cleaning pad, as well as check the docking station?

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