Hello, I'm using Repetier Host and Marlin firmware with RAMPS 1.4 and SDRamps to store files in an micro SD card. Does the electronics has to be connected to the PC via the USB cable when printing? or I can disconect the USB cable? I tryied to disconect it but the printer stoped, is this normal? I can close the RepetierHost with no problems though. Thank you https://reprap.org/forum/read.php?1,156667,156667#msg-156667 Sat, 10 Oct 2026 19:30:33 -0400 Phorum 5.2.23 https://reprap.org/forum/read.php?1,156667,258832#msg-258832 https://reprap.org/forum/read.php?1,156667,258832#msg-258832
Does anyone have a definite answer to this question? Like most people I have checked that the D1 diode is connected. I load the file from the pronterface but when I disconnect my usb cord it stops. SD support is enable in the printer firmware.

thanks
msandersmay10]]> msandersmay10 General Fri, 25 Oct 2013 08:28:12 -0400 https://reprap.org/forum/read.php?1,156667,158524#msg-158524 https://reprap.org/forum/read.php?1,156667,158524#msg-158524 -------------------------------------------------------
> Thank you brnrd. You meant I will have to modify
> the PCB of the Arduino for this setting to work?
>
> I have Repetier Host and I can close the program
> and the printer will still run but if I disconnect
> the USB the printer stops.
>

Are you sure that you have the diode installed correctly in the RAMPS board?]]> brnrd General Wed, 03 Oct 2012 19:17:59 -0400 https://reprap.org/forum/read.php?1,156667,158499#msg-158499 https://reprap.org/forum/read.php?1,156667,158499#msg-158499 Yea I read somewhere that the diode in D1 has to be installed, it is installed on my Ramps though and it still doesnt work :/]]> Anonymous User General Wed, 03 Oct 2012 17:35:58 -0400 https://reprap.org/forum/read.php?1,156667,158483#msg-158483 https://reprap.org/forum/read.php?1,156667,158483#msg-158483
I have Repetier Host and I can close the program and the printer will still run but if I disconnect the USB the printer stops.

I don't think all the people printing form SD card have to modify the Arduino Mega PCB.

Best regards]]> epareja General Wed, 03 Oct 2012 17:02:58 -0400 https://reprap.org/forum/read.php?1,156667,158447#msg-158447 https://reprap.org/forum/read.php?1,156667,158447#msg-158447
But I thought that simply disconnecting the USB cable does not cause a reset and the printer will continue to run on its own. I do this with my Azteeg X1 and also X3 and it works.]]> brnrd General Wed, 03 Oct 2012 13:58:54 -0400 https://reprap.org/forum/read.php?1,156667,158422#msg-158422 https://reprap.org/forum/read.php?1,156667,158422#msg-158422 Anyone know the answer to our problem/s? In short:
what firmware changes have to be made (or even hardware) in order to get the printer to work without it being connected to the computer or Pronterface?

I'd really appreciate a solution, you guys have been a great help so far :)
best regards]]> Anonymous User General Wed, 03 Oct 2012 10:51:02 -0400 https://reprap.org/forum/read.php?1,156667,157764#msg-157764 https://reprap.org/forum/read.php?1,156667,157764#msg-157764
Anyone has had this problem?]]> epareja General Sun, 30 Sep 2012 02:47:08 -0400 https://reprap.org/forum/read.php?1,156667,157150#msg-157150 https://reprap.org/forum/read.php?1,156667,157150#msg-157150
What changes in the firmware do you have to make in order to get this working? As epareja, I've only enabled the SDSUPPORT in my Marlin-Configuration file!]]> Anonymous User General Thu, 27 Sep 2012 08:58:12 -0400 https://reprap.org/forum/read.php?1,156667,156714#msg-156714 https://reprap.org/forum/read.php?1,156667,156714#msg-156714
jakowisp, what configuration should I check for? It is enabled the SDSUPPORT and it prints from the card if I don't disconnect the board from USB.

Thank you]]> epareja General Tue, 25 Sep 2012 15:29:42 -0400 https://reprap.org/forum/read.php?1,156667,156705#msg-156705 https://reprap.org/forum/read.php?1,156667,156705#msg-156705 jakowisp General Tue, 25 Sep 2012 15:12:13 -0400 https://reprap.org/forum/read.php?1,156667,156679#msg-156679 https://reprap.org/forum/read.php?1,156667,156679#msg-156679 If you click the disconnect button it resets the printer.]]> Polygonhell General Tue, 25 Sep 2012 13:23:47 -0400 https://reprap.org/forum/read.php?1,156667,156667#msg-156667 https://reprap.org/forum/read.php?1,156667,156667#msg-156667
I'm using Repetier Host and Marlin firmware with RAMPS 1.4 and SDRamps to store files in an micro SD card.

Does the electronics has to be connected to the PC via the USB cable when printing? or I can disconect the USB cable?

I tryied to disconect it but the printer stoped, is this normal? I can close the RepetierHost with no problems though.

Thank you]]> epareja General Tue, 25 Sep 2012 12:39:12 -0400