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Marlin - Change the behaviour of autonomus printing

Posted by Kalle

Kalle

Marlin - Change the behaviour of autonomus printing
October 12, 2014 08:57AM

Registered: 12 years ago
Posts: 32

Hello,
I am using the reprapDiscount controller.

When I start from SD printing the printer first auto-home (G28), I would like it to set the position instead with G92.

Where can I set this?

Thanks in advance for any help or tip to help me solve this. I found this part of code in marlin_main.ccp

    case 28: //G28 Home all Axis one at a time

but I have no clue what it does.

Reply Quote

george4657

Re: Marlin - Change the behaviour of autonomus printing
October 12, 2014 09:30AM

Registered: 9 years ago
Posts: 119

The G28 command comes from your slicer software.
In slic3r it is under Printer Settings -> Custom G-code -> Start G-code
Mine is:
G28 ; home all axes
G1 Z3 F5000 ; lift nozzle

Just change it to the startup code that you want

Edited 1 time(s). Last edit at 10/12/2014 09:32AM by george4657.