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Printing issues ...
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Well, things get a little confusing here, since the driver says 9600:8:N:1 but the software says 250,000 baud. I could drop it to 115,200 but first experimenting with slowing the printrate down a bit. ... I don't often make big prints, at least not yet, so I won't really be able to give good test results until I do!
So, I'd like to thank everyone for all their help and input! It's been info
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Malendryn
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Printing
It defaulted to Com3 ... and I have experienced a few red flags in the communication where it had to resend a line once or twice, but during those occasional resends the print never had a problem.
The port is defined as Arduino Mega 2560 (Com3) Port_#0001.Hub_#0006 9600:8:N:1, no flow control, using both xmit and rcv fifo buffers (16550 compatible)
The installed driver is from Arduino LLC,
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Malendryn
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Printing
The printer is clamped down to a tabletop via a pair of vicegrips, so it has not moved. (I plan to rectify that soon and have it bolted down to the tabletop properly, but for now, that does keep it steady!) The laptop that controls it all is a dedicated system running nothing that it doesn't strictly have to, -but- it's windows 10, so who knows what goes on in that ugly little brainchild!
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Malendryn
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Printing
I didnt jump to using an SD card as one of the immediate answers, I've just heard it's a good thing to do when there are potential problems. THere's a lot of good reasons for going that route. USB means a line to a remote computer, house wiring, clitches, all of which are potential points of failure. The best way to solve a problem is to eliminate points of failure, and USB is a significan
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Malendryn
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Printing
That was precisely why I mentioned in my earlier posts, to get the CardReader on line, to eliminate that as one of the issues .... (my board doesn't presently have one, but the pinouts are there, simple purchase, can-do!) I have heard a lot of issues with the usb linkup. I tried to resolve this best I could with what I have on hand (dedicated laptop) ... but USB over 5 hours of printing? defini
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Malendryn
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Printing
I'm running another print right now, and this time I have 3 movie cameras on it so I can capture at the moment something goes wrong (if it does, with my luck it'll print fine this time! )
The board supports endstops but the printer didn't come with them (since this is a project-type printer they don't include things like that!) But I have some switches on hand to add them later on (and recompi
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Malendryn
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Printing
The printer I have is the threeup from QU-BD, and it has no endstops so when I said it goes home correctly, I mean it moves to XY zero on its own, no skipping, no slippage, and that's what has me puzzled. I've calibrated it numerous times, and it prints very nicely as long as I don't try to print anything too high. ... If it wasn't for the fact that it moves back to home correctly (without ends
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Malendryn
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Printing
Should I upload new firmware? maybe install a cardreader? (I do not think it's a sourcecode problem as both Blender and Repetier are showing it as valid, and I am using Slic3r and it is also showing it correctly
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Malendryn
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Printing
I have a threeup printer from QU .... had to jump through some hoops to get it working! ... but now it works! Had it for about two weeks, it's been working well! ... but, anything I try to print over about two inches tall (25mm) 'shifts' on both the x and y planes... and never on the same Z... if I reprint the same thing, it happens again, on a different location.
No, it's not slippage, cu
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Malendryn
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Printing