Reprap host makes bad gcodes

Gen 3 electronics (yes I know they are out dated, I've haven't spent enough time to get this done lately lol), using Reprap host on Win XP.

I had to start over from scratch with the firmware/software as the machine it was on went down and I couldn't recover the files. I got the firmware set all back up properly (from what I can tell). All the axis and the extruder seem to go the distance they are told to. The issue I am running into now is that during an actual print the extruder tries to extrude WAY TOO FAST, so fast it can't actually spin. If I build up the gcodes manually, and use a slower feedrate, when I ask it to go 10mm, it actually goes 10mm, so I don't think its a calibration issue. I tried turning down the max feedrates on the extruder, but then it limited that axis feedrates (I think because the gcodes send the x, y, and e codes in one line so they all use the same feedrate); all this got me was a giant ball of plastic on the printhead.

Acceleration is shut off in the firmware. Do I have to make special consideration in the reprap host to allow for printing with no acceleration?

I've searched around the forum some, but haven't found anything useful (Gen3 is pretty outdated now....).

Anyone who is running Gen3 electronics, what 'extruder' settings did you have to use in the host?

Thanks in advance for any help you can offer.

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"Get busy living, or get busy dieing" - Red

Reprap host is antiquated, I'd try slic3r + pronterface. It won't necessarily solve your problem, but you'll be more up to date and more people will know how to help you.

Ok I'll give that a shot and get back to you. Do you know if its compatible with the gen3 electronic firmware?

Ok. I am using the latest software(slic3r + pronterface), I've tried all kinds of different settings in slic3r, but it seems that once the printer gets into the gcode for normal movements (after the startup/setup) it freezes the machine. Sometimes the debug LED stops blinking, and its just hung up, some times the led keeps blinking and it jsut stops responding.

I'v tried changing the comm settings in the firmware, no luck. I tried changing the buffer size, no luck.

Below is the debug output from pronterface:


the print goes from 88.880000 mm to 111.110000 mm in X
and is 22.230000 mm wide

the print goes from 88.929000 mm to 111.120000 mm in Y
and is 22.191000 mm wide

the print goes from 0.000000 mm to 10.000000 mm in Z
and is 10.000000 mm high

Estimated duration (pessimistic): SENT: 25 layers, 0:03:20
M105
RECV: SENT: N-1 M110*15
Print Started at: 20:52:41
RECV: ok
SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: N0 M104 S185 *73
RECV: ok
SENT: N1 G28 *50
RECV: ok
SENT: M105
RECV: SENT: N2 M109 S185 *70
RECV: // Warming Nozzle:168
RECV: // At Temperature:188
RECV: // At Temperature:208
RECV: // At Temperature:221
RECV: // At Temperature:221
RECV: // At Temperature:218
RECV: ok
SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: N3 G90 *51
RECV: ok
SENT: N4 G21 *62
RECV: ok
SENT: N5 M83 *61
RECV: rs 6 Dud M code: M83
SENT: N6 G1 F1200.000 E-1.00000*50
RECV: ok
SENT: N7 G1 Z0.400 F7800.000*8
RECV: ok
SENT: N8 G1 X95.140 Y88.880*40
RECV: start
SENT: M105
RECV: start
SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: M105
RECV: SENT: N9 G1 F1200.000 E1.00000*16
RECV: rs 0 Serial Error: Linenumber (9) is not last + 1 (0), line received: N9 G1 F1200.000 E1.00000*16
SENT: N0 M104 S185 *73
RECV: ok
SENT: N1 G28 *50
RECV: ok
SENT: N2 M109 S185 *70
RECV: ok
SENT: N3 G90 *51
RECV: ok
SENT: N4 G21 *62
RECV: ok
SENT: N5 M83 *61
RECV: rs 6 Dud M code: M83
SENT: N6 G1 F1200.000 E-1.00000*50
RECV: ok
SENT: N7 G1 Z0.400 F7800.000*8
RECV: ok
SENT: N8 G1 X95.140 Y88.880*40
Can't read from printer (disconnected?).
SENT: N9 G1 F1200.000 E1.00000*16

Any thoughts?

Ok, I can't find the issue. I've decided to move onto Teacup firmware, and see if that solves the issue.

Hi Adam,

I am in a very similar situation to your. I made the decision to download the bundle X2SW [reprap.org] that combines Slic3r and print

I am quite sure that the firmware must be updated / changed, but I can't identify precisely which Gen3 elec-compatible firmware will work.

Any idea ?

Yeah I am starting to work through the commits on git hub now. I'll let you and the other gents waiting for this bug fix know if i make any progress