I have an Apple Watch Series 2 that I was using without issues until recently. I went for a 1km swim (as usual I had it on...

A few things to check. 1 Be sure nothing is blocking it’s path (eg all ink cartridge locks are fully in place) 2 Try unplugging the device and plugging it back in, sometimes the bootup sequence will move the carriage before the errors 3 Try running a test print, again that can sometimes work to start moving the carriage.