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Posted: Sun Jun 05, 2016 8:52 pm
Just a quick question. Is it better to use USB vs the SD Card for printing? Can you pause a print to change colors?


Re: USB VS SD Card

Posted: Sun Jun 05, 2016 8:59 pm
by jsc
There's really little to recommend one over the other.

If you print over USB, you can often adjust speed/extrusion settings on the fly, depending on your host program. If you print via SD card, you are less liable to get slowdown issues on models with lots of high resolution arcs, which can overwhelm the USB transfer speed. Printing via USB makes your print success reliant on your computer staying awake, not stalling on external drive spinup, etc, unless you use something like OctoPrint on a dedicated computer. It is one less step to print using USB.

You can pause prints to change filament, there is an excellent writeup in a stickied post: viewtopic.php?f=3&t=2132

Re: USB VS SD Card

Posted: Mon Jun 06, 2016 1:20 am
by sthone
I've been bitten in the arse once to many times trying to print via USB so I print mainly via the SD card now. (unless it's something quick say under an hour I still chance it now and again and use the USB.)