I added filament runout sensors to my printers, now I just let them run until the 1kg spool runs out. The print pauses and waits for me to change out the filament, and everything works as I'd hope. With a simple print and a drill, you can also reload the 1kg spools from a 25kg master spool, too. Thi...

If it's a dual V4 extruder (vs a custom one) with a 3-point spider and a top-homing setup, it's a prototype dual -- so Rev D, ~ ish. I'd take the whole thing (carefully) apart, clean all the slides with WD40 / QTips over and over, and re-lube with sewing machine oil. Make sure the fans are clean and...

This is absolutely a weight/acceleration related issue, and if you haven't added a heavy aluminum bed, the default values of 3k for M201, M202 and M204 work perfectly fine for a part weight up to about 45grams. This is consistent across many different parts. Dropping those values to 2k (from 3k) al...

You can stop using that horrible lithium grease in the carriages. It's supposed to be a very thin machine oil. The lithium was for the old metal-on-metal Z axis. Take the carriage off, clean it out with WD40 and alcohol until it's dry, then lubricate with 1 drop per side of sewing machine oil. Clean...

That's definitely nozzle drag. Z-Hop / Vertical lift will fix it. You only need 0.20mm

Cooler bed, no raft.

apparently the software does not work with the B+ yet That may be due to user error: https://discourse.octoprint.org/t/update-fixed-i-have-a-new-pi-3-b-i-cannot-get-octopi-to-do-anything/1745 Ok.. so B+ is supported as of a couple of days ago.. nothing like Beta testing :cry: https://discourse.octo...

I don't know about the Viki2, but my firmware is set up for the Viki1. I can post it on Github.

Wha? Attach some pics, please.

Replace the thermistor cartridge. It has extremely fine wires and they've broken.