[Chaos print of UM Original]

I should also mention that the printer has Ulti-Controller. But it is now printing such chaos with or without controller. The printer has been working fine for 2 1/2 years - just having normal issues.

Any suggestions - maybe the stepper driver? Did anyone have or heard about stepper driver issues?

Thanks for help

Arne

[Chaos print of UM Original]

Hi,

yesterday my UM Original - while printing a bigger model - suddenly went another way. Than I made some test prints and allways got "chaos prints".

Enclosed image of a belt tensioner with the print result. All belts an screws of the printer seem to be fixed well. It has the latest firmware.

Please help me

Arne