Dear Mr. Prusa,
I am new to 3d printing, and after careful research and reviews, I finally purchased the Prusa Mk3 in July 2018, expecting a certain learning curve.
I assembled it myself and was very proud of the perfect assembly I managed to get despite not being an engineer.
I managed a few good prints, and ever since, everything went downhill.
I have had virtually every single problem mentioned in the help forum, and while I initially managed to fix them all thanks to helpful advice on said forum, I have had to purchase a number of sometimes costly spare parts to do so.
I have disassembled and reassembled this machine more times than I can remember, changed ptfe tubes, flashed the latest firmware, changed nozzles, added stable feet, readjusted the height of the pinda probe, changed the printing environment and brands of PLA, survived the dreaded blob, performed cold pulls, have done countless first layer calibrations: you name it, I have had it or done it.
I cannot count the number of hours spent on fixing and calibrating this machine, which is now far more than hours of successful printing.
While my z calibration and first layer calibrations are consistently good, I am now unable to print anything, even when using your very own Prusa PLA filament with your Slic3r PE settings. I am now unable to get even simple test prints to stick or filament to flow properly.
I have scrupulously respected every advice from Prusa and from your often clueless customer support. So much wasted filament!
How can a machine be so unreliable? While some mistakes are probably due to my own lack of technical expertise, I now consider that it is a quality issue and that the machine I purchased from you is simply unfit for purpose.
The reviews on the Mk3 advertise it as a ‘work horse’, but I find that even when it works, it requires constant calibrating and fixing (unloading filament, raising temperature to melt potential clogging etc..)
Dear Mr Prusa, please work on developing more reliable machines!
Before I throw my MK3 into the garbage, I would be happy to get your feedback and/or even a full refund.
Karl Wilson, New Zealand