Tevo Tarantula With Large Print bed?

I just purchased a tevo tarantula 3d printer and have it fully assembled and printing....(really good prints). My problem is that i purchased the larger build plate so I could print my senior project and I am limited to the normal build print size. I figured that this is hard set in the firmware and would just find the firmeware and adjust it.... i just cant find the firmeware anywhere. i contacted the place i got it and asked if they could provide a link or any information on how to get it and they were of no help.

if anyone has this printer and can help me I would really appreciate it.

Edited 1 time(s). Last edit at 04/20/2016 08:01PM by Eric Barzycki.

What software are you printing with? In repetier host you set the bed size in repetier host configuration.

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Newbie with Folgertech 2020 i3.

Im not sure, I know that sounds incredibly stupid. When I turn it on the lcd display says MIigbot but Ive read up on my printer and people claim that it is infact repetier. I found something on a Tevo website that said to download something and I did. When I opened it in arduino it had alot of library call upon but only 4 lines of actual code.

Im using Cura. In Cura it also ask you to input the dimensions of the printing bed. Sorry about that.

But when I turn on my printer and I home all axis, it hits the bump stops and get all situated. then when I go to move the axis the lcd will only go to 220 and stops....and its no where close to the limit switch

I believe for Cura you will need to set the dimension in the firmware.

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Newbie with Folgertech 2020 i3.

Does you know where i can find the firmware for this printer?

No but have you looked at the Facebook group for this machine? I belong there is a lot of information about it on there.

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Newbie with Folgertech 2020 i3.

No I have not. Can you post a link I'd love to check it out.
I appreciate the help

[www.facebook.com]

...jim

README how to change size of bed in Marlin