After what seems a lifetime of printing with the little printer, I finally have my large printer working.

Lots of upgrades completed recently they include adding a Raspberry Pi to run Octoprint and making it accessible from my desktop computer, new extruder fitted, camera working, new metal plate under the heated bed, newer Marlin firmware, mesh bed levelling, reels of filament now stored inside the enclosure.
I have a few more changes I would like to make but I need to print some things first.