updated Repetier, no good prints since

Troubleshooting talk for software

updated Repetier, no good prints since

Postby 2Gringos » 2014-Jan-Sat-07-Jan

Is anyone having issues with the newest version of Repetier? I came back from Christmas holidays, got a message there was a newer version, and updated. Since then, I seem to be having a lot of Printrbot + issues. I don't know if it's something in Slicer or what.. I've just uninstalled the Repetier program and am going to try installing an earlier version, but thought I would ask here, first. What happens is that I set up the Configure ( in this case, a solid part with a 3mm brim) like I have hundreds of times before. Then I click to Slice it, and that's the end of it. The software runs through the progress bar, I get the G-code listed, and then I click on Start Job. And nothing happens. Several times, the entire display grays out and I have to use the power button to restart my computer. Task Manager doesn't even stop it.

Anyone else seeing anything like this?
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updated Repetier, no good prints since

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Re: updated Repetier, no good prints since

Postby holmes4 » 2014-Jan-Sat-09-Jan

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Re: updated Repetier, no good prints since

Postby REPRAP SQUAD » 2014-Jan-Sat-12-Jan

I'm using the new slic3r as well as the new Repitier with no problems on my plus.
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Re: updated Repetier, no good prints since

Postby YellowGTO » 2014-Jan-Sat-16-Jan

REPRAP SQUAD wrote:I'm using the new slic3r as well as the new Repitier with no problems on my plus.

I second this, no issues.
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Re: updated Repetier, no good prints since

Postby holmes4 » 2014-Jan-Sat-16-Jan

Ah, I missed that it was a slicing issue. I haven't had a problem with that either.
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Re: updated Repetier, no good prints since

Postby 2Gringos » 2014-Jan-Sun-06-Jan

It's not Pronterface. My problems are with Repetier.
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Re: updated Repetier, no good prints since

Postby 2Gringos » 2015-Jan-Thu-07-Jan

Rather than start another thread, I thought I'd just tack onto this old one from this time last year.
What's happened is that two of my PC's crashed in the past six months. A new Lenovo Y500 and an Asus. So I just bought a new Toshiba on my last trip to the USA. And now I'm trying to get the PrintrBot Plus ( the original Plus, Not the second one they named Plus) to work with it.

I loaded up Repetier and I reflashed my firmware according to the procedure I found online. No big issues with that, other than one set off directions I saw said to press Reset and then power off printer and ( with my Rev D board) replace the jumper. The other set of directions did not mentnion pressing the Reset button again after reflashing. Does that matter??

Anyhow, I'm having issues connecting to the printer now. I know the connectors and cable are okay, because I reflashed the firmware using them. But now I get an error message on Repetier that there's no COM port. But when I accept it's invitation to go to the Printer settings, it's showing the COM port there.

Anyone have any experience with this?


Also, I need a printer to take on a 40 ft. sailboat with me for a few months. I was thinking of the Printrbot metal upgrade. Anyone with nautical experience got any opinions on that?
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Re: updated Repetier, no good prints since

Postby RetireeJay » 2015-Jan-Thu-10-Jan

2Gringos wrote:Anyhow, I'm having issues connecting to the printer now. I know the connectors and cable are okay, because I reflashed the firmware using them. But now I get an error message on Repetier that there's no COM port. But when I accept it's invitation to go to the Printer settings, it's showing the COM port there.


Does this issue persist even after a complete reboot of the Printrbot (jumper off, assuming Rev D)? Usually when I get the error message from Repetier, I either power-cycle my Printrbot or I unplug and re-plug the USB cable and it fixes the connection. In extreme cases, I also have to close Repetier and restart it.

2Gringos wrote:Also, I need a printer to take on a 40 ft. sailboat with me for a few months. I was thinking of the Printrbot metal upgrade. Anyone with nautical experience got any opinions on that?


You need a full-time Printrbot specialist - like me - on board to take care of anything that crops up. ;) But seriously, the PB Metal Plus should be good in that it won't warp with humidity. But it's bad because we all know that steel rusts - especially when exposed to salty mist. So keep it in the driest place on your boat. And I hope you have a reliable source of power. You can power the 'bot directly from a 12V supply if you have one - but the Plus with a heated bed draws some serious power, like over a hundred watts. And it doesn't like power-line glitches, even tiny ones.
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Re: updated Repetier, no good prints since

Postby 2Gringos » 2015-Jan-Thu-17-Jan

Yes, it seems pretty steady. No com port error message. I tried rebooting everything, several times. Tried a different USB cable. Powered PB off, etc.
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Re: updated Repetier, no good prints since

Postby jolars » 2015-Jan-Thu-17-Jan

RetireeJay wrote:... but the Plus with a heated bed draws some serious power, like over a hundred watts. And it doesn't like power-line glitches, even tiny ones.


I can attest to that. I have a light plugged in NEXT to my printrbot, if I turn the light off during a print, it will kill the print and I will have to power cycle the bot :(
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Re: updated Repetier, no good prints since

Postby 2Gringos » 2015-Jan-Fri-21-Jan

I don't understand it, but tonight I downloaded MatterControl, and it's communicating with the printer. I can move it around in X,Y, and Z. Haven't tried print yet. Nothing has changed hardware wise. Same laptop, same printer, and the same cable is still plugged into the same USB port.

But now, the extruder motor is not responding to extrude commands.
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Re: updated Repetier, no good prints since

Postby thawkins » 2015-Jan-Fri-22-Jan

2Gringos wrote:I don't understand it, but tonight I downloaded MatterControl, and it's communicating with the printer. I can move it around in X,Y, and Z. Haven't tried print yet. Nothing has changed hardware wise. Same laptop, same printer, and the same cable is still plugged into the same USB port.

But now, the extruder motor is not responding to extrude commands.


Is the extruder up to temp, the board wont extrude unless the hotend temp is over 175c
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Re: updated Repetier, no good prints since

Postby 2Gringos » 2015-Jan-Sat-06-Jan

I blush, but yes, I had forgotten about the extruder needing to be up to temp. So...this morning I read your post, slapped myself on the forehead, and turned the extruder heat on. Now, at 210 deg. when I activate the extruder command, the extruder motor vibrates and the shaft turns back and forth maybe a half millimeter, but the motor does not rotate as it normally did. I'm wondering if a broken wire could cause this? This is the stepper that uses an extension cable to reach the PC board. I don't know whether to replace the wiring or order a new motor.

Anyone got an internet lead on the best place to buy these motors?
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Re: updated Repetier, no good prints since

Postby orangefurball » 2015-Jan-Sat-06-Jan

2Gringos wrote:Anyone got an internet lead on the best place to buy these motors?


These are the same spec as the PB ones (76oz-in) and I have 4 of them on my other printer, work great, just not Kysan like the PB ones.

But steppers rarely break, I would replace the wiring first.

Edit: link would help http://pages.ebay.com/link/?nav=item.vi ... 92&alt=web
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Last edited by orangefurball on 2015-Jan-Sat-13-Jan, edited 1 time in total.
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Re: updated Repetier, no good prints since

Postby thawkins » 2015-Jan-Sat-08-Jan

2Gringos wrote:I blush, but yes, I had forgotten about the extruder needing to be up to temp. So...this morning I read your post, slapped myself on the forehead, and turned the extruder heat on. Now, at 210 deg. when I activate the extruder command, the extruder motor vibrates and the shaft turns back and forth maybe a half millimeter, but the motor does not rotate as it normally did. I'm wondering if a broken wire could cause this? This is the stepper that uses an extension cable to reach the PC board. I don't know whether to replace the wiring or order a new motor.

Anyone got an internet lead on the best place to buy these motors?


Try heating it up again to about 120c, opening the clamp and gentely pulling the filament out of the hotend, if you are carefull and dont apply too much force you can pull the whole filament out including the pastic in the nozzle and the little hole on the end. The technique is called a "cold pull". you may see a "plug" at the end of the removed filament with a small "tail".

Check out this

http://bukobot.com/nozzle-cleaning

Then heat it back up to 210 and feed your filament back in. Its possible with all the cold extrusion you have jammed your hotend up.

Motors are extremly durable, if it was working then it is unlikely it has failed, its more likely to be a mechanical issue or a wiring fault. At the very very worse its a blown stepper driver, but a failed motor is extreemliy unlikley.
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Re: updated Repetier, no good prints since

Postby RetireeJay » 2015-Jan-Sat-10-Jan

In another thread, the question was raised as to what would happen if the wiring to one coil of a motor was broken. So I did an experiment. The behavior sounds like what you are seeing: the motor is louder than normal, and it kinda jumps around randomly instead of moving smoothly in one direction or the other. I'd strongly suspect the connectors and/or wiring between the board and the motor.
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Re: updated Repetier, no good prints since

Postby thawkins » 2015-Jan-Sat-10-Jan

RetireeJay wrote:In another thread, the question was raised as to what would happen if the wiring to one coil of a motor was broken. So I did an experiment. The behavior sounds like what you are seeing: the motor is louder than normal, and it kinda jumps around randomly instead of moving smoothly in one direction or the other. I'd strongly suspect the connectors and/or wiring between the board and the motor.


Often when people are removing the motor connector from the board, they pull on the wires to remove it, i know i have sometimes done the same. That can cause one of the connections to pull out of the conector block, as they are only retained by a very small tab. You should always grip the connector body and pull it off for this very reason.
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Re: updated Repetier, no good prints since

Postby 2Gringos » 2015-Jan-Sun-08-Jan

Okay, with the valuable insight that these motors don't quit normally, I looked a lot closer. Finally slit the blue wire jacket with an xacto and yep, broken cleanly. This is actually going to solve a lot of old mysteries for me. I think this break was intermittent connection and driving me nuts looking for something wrong with the extruder or worrying about the firmware and electronics. It's the blue wire. duh.

I don't know why I can't seem to remember my own major troubleshooting tip when I was working offshore electronics..."rule number one: It's always connectors."

I've twisted it together well enough to prove the motor now responds to extrude commands again. Problem now is going to be trying to find some shrink tubing with a thin enough wall to insulate this once I solder it. Tight fit in that motor.

Thanks for the help.

I still need a new printer, though. Something to take to sea with us. Along with a quadrotor drone with a GoPro.
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Re: updated Repetier, no good prints since

Postby 2Gringos » 2015-Jan-Mon-10-Jan

I spoke too soon. Still having issues. Now when I try to connect with Repetier, I get the no com3 error message. tried running flip 3.4.7 but when I get to the point where I am to push the reset button on the Rev d board, and push it, the PC still doesn't see the Printrbot. No new listing on Device list etc.

Running out of ideas here.
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Re: updated Repetier, no good prints since

Postby RetireeJay » 2015-Jan-Mon-11-Jan

I hope you had the power off while you were making and breaking connections to the motors. They are inductive loads and can kick back very large voltages when their current is interrupted.

More likely, you might have stressed the solder joints holding the USB connector to the board...
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Printrbot Plus operational January 2013
Brass threaded rods (5/16" X 18) & nuts for Z axis
GT2 belts & pulleys
Cable chain to reduce probability of fatigue failure in wires
E3D V5 Hot End, 0.4mm nozzle, also 0.8 and 0.25 in use occasionally
PB fan mount + 40mm fan -- using printed mount adapter, not the E3D supplied fan
Injection molded extruder gears
Optical Z "endstop" (custom designed and built)
Have used many pounds of T-Glase filament. Now also doing some work with Ninjaflex SemiFlex
Print on glass with Scotch Craft Stick or other glue stick
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Re: updated Repetier, no good prints since

Postby 2Gringos » 2015-Jan-Mon-20-Jan

Now that I think about it, I turned the printer on, booted up Repetier, heated the extruder to 200, tried to extrude, and it did not. I realized that I had not reconnected the motor yet, and I plugged it into the extension while the power was on. What did I fry?

I don't think I've stressed the little USB connector at all. It's under no strain, and doesn't seem to be loose or damaged.
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Re: updated Repetier, no good prints since

Postby RetireeJay » 2015-Jan-Tue-06-Jan

2Gringos wrote:Now that I think about it, I turned the printer on, booted up Repetier, heated the extruder to 200, tried to extrude, and it did not. I realized that I had not reconnected the motor yet, and I plugged it into the extension while the power was on. What did I fry?


So if I'm following the sequence correctly, after you did the above, you totally lost all ability to communicate with the board - either in normal mode or in flash mode. This doesn't sound good.

You might try a different USB port on your computer in the faint hope that the voltage spike damaged the port you were using. (Also different USB cable, etc). If you do everything you can to validate that you have a good port and a good cable (e.g. connecting other devices), and the green "power" light on your board is on, then the only remaining possibility is a problem with Printrboard itself. It might be totally fried, or it might be that the firmware is scrambled. There is a way to use a hardware programmer to re-write all of the Printrboard's memory without it needing to be able to execute any instructions (i.e. with scrambled firmware), but I don't know much about that. (If the fried component is the chip that drives the extruder motor, it's possible that it is shorting out the power supply rails, and replacing that chip would fix it.)
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Printrbot Plus operational January 2013
Brass threaded rods (5/16" X 18) & nuts for Z axis
GT2 belts & pulleys
Cable chain to reduce probability of fatigue failure in wires
E3D V5 Hot End, 0.4mm nozzle, also 0.8 and 0.25 in use occasionally
PB fan mount + 40mm fan -- using printed mount adapter, not the E3D supplied fan
Injection molded extruder gears
Optical Z "endstop" (custom designed and built)
Have used many pounds of T-Glase filament. Now also doing some work with Ninjaflex SemiFlex
Print on glass with Scotch Craft Stick or other glue stick
"My next printer is..." Prusa i3 MK3, upgraded to MK3S
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Re: updated Repetier, no good prints since

Postby 2Gringos » 2015-Jan-Tue-18-Jan

the computer seems to be fine. Well, if this is fried, then it's fried. Makes it easier to decide whether to upgrade to the Metal or to go with another printer entirely. I do need one on the boat.

The Metal is steel. Not a great choice on a boat. Have you seen this one?
https://www.youtube.com/watch?v=yT3JMs4dhTg
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Re: updated Repetier, no good prints since

Postby orangefurball » 2015-Jan-Tue-23-Jan

2Gringos wrote:the computer seems to be fine. Well, if this is fried, then it's fried. Makes it easier to decide whether to upgrade to the Metal or to go with another printer entirely. I do need one on the boat.

The Metal is steel. Not a great choice on a boat. Have you seen this one?
https://www.youtube.com/watch?v=yT3JMs4dhTg


That thing is noisy! Pretty neat though how it folds up. But repeatability of prints might be difficult, there's no auto bed compensation and it seems like the bed is the main france as well, meaning that tramming will be nonexistent.

Also a few comments say it breaks down easily.
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Re: updated Repetier, no good prints since

Postby 2Gringos » 2015-Jan-Sat-07-Jan

found out there is a 10 week delay on those printers, so I'm back to seeing if I can get the printrbot going.
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Re: updated Repetier, no good prints since

Postby 2Gringos » 2015-Jan-Sun-08-Jan

Has anyone sent a printrboard out for repair? I could also order parts if I knew what to order.
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