I'm wondering in which directory does Print-O-Matic take your homing offsets heating prefs? Mine are totally wrong compared to if you were to go into machine/onboard preferences/homing.
????. What version of Rep-g are you using? Since version 24, the homing has been moved to the firmware and is not in any way in any profile file on the PC.
In other words, we used to set the Z height and things in the start.gcode.
Now since version 25, the start.gcode has the command
M132 X Y Z A B (Recall stored home offsets for XYZAB axis)
Which reads them from the firmware (also seen in motherboard preferences).
You should use the calibration script to set those values.
Note, using stock firmware on a modified bot, you will not hit the Z limit switch as the firmware has a timeout. The trick is to double up the Home Z command in your start.gcode and the calibration script.
G162 Z F500 (Home Z axis maximum; go until reaching the end stop.)
G162 Z F500 (Home Z axis maximum; go until reaching the end stop.)
G162 Z F500 (Home Z axis maximum; go until reaching the end stop.)
Then it will actually hit the endstop and record the correct distance.
But beyond that, the even smarter thing to do is not use the stock firmware and use the new Sailfish firmware which solves the timeout and ads tons of features and performance:
http://www.thingiverse.com/thing:32084
Again, hands down, this is the single best upgrade you can do.
I was using RepG37 so I updated to RepG40. that fixed my Z homing. I however cannot update my firmware to Sailfish(or any other firmware) due to RepG40 freezing at the window that is just before the update. Once I push the button "Update", the program immediately freezes. I do in fact have the little reset tab clipped, so it's not that problem. I don't know what else to do. I've tried other computers and nothing. :-/
That's what's wrong, you have the reset jumper clipped and MUST press the reset immediately after clicking update. Why MBI told us to cut the reset is beyond any logic. If you solder jumper it back then firmware updates get easier.
Really, well with this useful info. i can proceed now.
Thanks
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