Just been using the printer as out of the box with no modifications, except for using a 0.6mm nozzle for decreasing print time,.
just using the standard setting provided in CURA software for the I3 series.
had good experience with the printer for around 3 years.
Hows your print quality with the 0.6mm? My print times are currently huge right now!
0.6mm nozzle and 0.2mm layers givew fast print and acceptable quality. Just sand a little