Topics created by Jarery

@dc42 That is great news! This single problem prevented me from using the fastest possible feedrate and I also had to reduce the jerk in order to avoid it in most cases.

When the new firmware is released, I will do some air cutting and see how it goes!

@mlaustin6 said in Downgrading firmware:

Does this still apply if you are on firmware 2.01 beta 2 and want to go back to 2.0 non beta? Same with the web software? Wifi server seemed unchanged.

No. The two cases where firmware upgrade/downgrade isn't straightforward are:

On the Duet WiFi, changing between 1.18 or earlier and 1.19 or later (because the wifi server was moved off the WiFi module on to the main processor in 1.19).

On the Duet WiFi and Duet Ethernet, changing between 1.20 or earlier and 1.21 or later (because the firmware filename expected by the firmware changed to Duet2CombinedFirmware in 1.21).

You'll find with 0.8mm nozzles that the surface area of the nozzle is 4 times larger than with a 0.4mm nozzle. So if you could go 200mm/s max with 0.4 you will max out the rate you can melt plastic at 50mm/s.

Workarounds,

print slower, it sounds counterintuitive but you're still laying down the same volume/sec but with thicker, stronger lines of extrusion. use higher temperatures, it doesn't really fix it that much as Tom S' recent Q&A with e3d explained its the ability to transfer heat to the filament that counts not heater power or absolute temperature. But a little more thermal gradient helps.

@Jarery:

Interesting, your heater connection is on the top, did you reverse it ?

yes I did, the other one dropped down. when I tried to push it back into place it broke so I ordered new ones. When I got them I decide to go ahead and put it on top to give more room on the bottom. if I had 90* sockets for the fans I would probably put them on there that way on the top as well.

You don't actually have to set the P parameter, it defaults to "eventlog.txt".

That does make sense for a bad crimp. But another possibility is that one of the pins on the 8-pin connector hasn't been soldered. That connector has to be hand soldered, so it's possible that a pin has been missed. Please check. Failing that, it could be a bad solder joint on the effector.

What I think is happening is that at or shortly before the probe point that is skipped, the effector is receiving no power. Then the cable flexes and the dodgy connection makes contact. So after a couple of seconds the sensor completes its initialisation, which is why it flashes 3 times.

The particular connection i suspect is the one that carries +3.3V to the effector. Try moving the effector in the XY plane as if between probe points with a pause afterwards, and see if you can make the led flash 3 times with the same interval that you get when you first power the printer on.

Slicer failed first time with M82, Head didn't move and extruder spun endlessly.
Slic3r does work with M83….

Now printing a very fine escher lizard......