Is there a way to get see total print hours for the A1 mini or A1?
I don’t mean for a model. I mean total number of hours a printer has printed for. I know the X1 has a way to do it, but searches here and other sites lead to nothing for A1 series. There are old messages suggesting ‘it might be added soon’, but nothing more concrete.
As of right now, No.
(Post 25)
On A1 mini:
Settings → Device → Printing Time
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I’m about to hit 1,000 hours of print time on my A1 Mini! It’s currently my only printer, and I feel like I’ve been spoiled by the experience so far. I’ve encountered only two filament blobs, and the first one was a bit nerve-wracking since I wasn’t sure how to clean it up but I’m not scared of them now.
This little machine has handled everything I’ve thrown at it. I’ve spent countless hours tweaking and dialing in filament settings, but lately I’ve decided to stop overthinking it and just use the ‘Flow Dynamics Calibration’ feature. If I’m not changing filaments, I won’t bother running the calibration again since I believe the printer retains the last dynamic flow calibration values (though feel free to correct me if I’m wrong). Also, I’m really impressed with how smoothly the A1 Mini handles TPU prints!
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I also love the TPU capabilities. the extruder drive has serious rake on the Sharp teeth.
You wouldn’t happen to have gotten it to do a .2 Noz, have you?
To be honest, I try not to use the .2 nozzle. It’s so much more problematic than using the .4 nozzle. I firmly believe the A1 Mini, and probably the A1, was designed specifically for the .4 nozzle.
Edit: I’ve never tried to print TPU with the .2 nozzle. Sorry I couldn’t be much help.
I clearly recall several of the Tubers expressing a good bit of wtf, as it seemed to drop out of sequence.
have you updated firmware/ noticed the ability to select a nozzle in the maint sec appeared after 1.03 ?
2628 hours here, have to replace yesterday the extruder. Apart from that only grease when prompt and change 4-5 nozzles 
Yes. Go to settings, device, then printing time.