the scratch on the top (outside printing area) is made by the nozzle wipe start procedure…
Two ways to fix that :
- use of this tiny silicon brush stickers, see aliexpress.com/item/1005007695468858.html
- root the device and edit your gcode_macro.cfg to bypass the CX_NOZZLE_CLEAR, see Gcode_macro START_PRINT - #5 by Tanguy