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After Slic3r finishes slicing, I click "run job" and the printer homes itself, heats to printing temp, moves to the center of the bed, then nothing happens.... code stops running on the Repetier Host log and the temperature stops fluctuating (running on/off heating style) as if the printer or software has seized up. Help!

All printer components work great when manually controlled. Custom Reprap machine with Repetier Host and customized Repetier firmware, Rambo board, Steve's Extruder and bowden tube.

Have you tried re-installing the firmware?
Perhaps try using a stock version of the firmware first, then customize it.

Maybe try something other than Slic3r to see if the problem persists?

I wish I could be more helpful, but I can only suggest what I would do in a similar situation.

Andrew83 wrote:After Slic3r finishes slicing, I click "run job" and the printer homes itself, heats to printing temp, moves to the center of the bed, then nothing happens.... code stops running on the Repetier Host log and the temperature stops fluctuating (running on/off heating style) as if the printer or software has seized up. Help!

All printer components work great when manually controlled. Custom Reprap machine with Repetier Host and customized Repetier firmware, Rambo board, Steve's Extruder and bowden tube.

You should reply to the thread you already had open, http://forum.seemecnc.com/viewtopic.php ... 916#p15916. Opening multiple threads on the same subject just
confuses the situation. Now to your problem. On the computer controlling the printer do you have any other software open such as antivirus, etc. It really sounds as though there is
other software that is somehow conflicting with the Repetier Host. Try to eliminate all software not needed and see if it prints. Let us know by responding to this thread that way we
can have a continuous log of what did not work in the past.