To replace the print surface:
Losen the left and right retaining bracket (6 screws). Slide the brackets outwards and lift off the print surface.
Lay on the new print-surface, re-attach the brackets.
The print bed can easily be replaced with a different surcace. (3mm aluminium bed pictured).
Print bed with alloy print surface and self-adhesive Grip-On-Pad
Print bed with 5mm borosilicate glass print surface.
Print bed with alloy print surface and Kapton film