I'm trying to use a paste extruder on my delta printer, obviously I don't need the hot end neither the heated bed. I'm using repetier as the host for the models I'm trying to print; on the printer settings I uncheck the extruder & bed temperature request but the printer doesn't start, is there another setting that I need to change?

Hi,
You will need to send it the g-code M302 allow cold extrudes
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Supporting 3D Printers with Parts and Build services.
Printer: Ormerod 2 (528.4) Duel extruder set-up with Aluminium X-Rib, RRPro Firmware v1.11-ch (2016-04-08)

Might need to confirm this works with your firmware.
M302 P1 will over ride the wait till temperature setting set by Gcode but some firmware have a built in safety function that doesn't allow extrusion unless the extruder is above a set temperature. I don't know if M302 P1 can over ride this. If not you would have to check if you need to reflash the firmware with a lower safety temperature.

You can do a replace edit to comment out the temp gcode lines in a text editor. Replace M140 with ;M140, M104 with ;M104, etc.

Edited 1 time(s). Last edit at 04/16/2016 12:28PM by Dirty Steve.