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Creator Pro replacing / changing pulleys

by JoPri

My FFCP has has been a workhorse for the last year and printed more than 2200 hours without much problems, thats almost 8.5 kilometer of filament.
So yesterday i wanted to give my printer a good maintanance and took it apart, in the process i wanted to change the plastic pulleys.
After putting it together again at first site this worked out great as i didn't had to change any of the original adapters, now when starting a new print the size of the printouts don't match anymore.

after some investigation I noticed that the plastic pulleys are having 17 Teeths and the new pulleys i used are having 20 which might be the issue. Today i ordered pulleys with 16T to see if this resolves the issue.

My question is if anybody else has tried to change the plastic pulleys and what kind of pulleys did you used (20T or 16T) as i don't seem to find those with 17T? Did any of you make changes to the firmware and how could i do this? Some advice would be welcome.

added some pictures => http://www.thingiverse.com/thing:1969840

I changed the pulley back to the plastic one for the Y-Axis (only for the stepper motor in the right corner) and it doesn't seem to matter for that axis that i changed to 20T. Still i want to change all the plastic ones.

update 22/12/2016
Yesterday I received the 17T pulleys and replaced the plastic ones I left on the stepper motors and started a new printout, all seems to work just fine now. so my conclusion, most pulleys would work for the corners, if you keep in mind to use 17T pulleys for the stepper motors.

Flashforge Creator Pro - replacing plastic pulleys
by JoPri
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Adventurer 3 will not home correctly. replace endstop?

by smithsj

If anyone can send me a video or give me some direction on this, I would really appreciate. My research points to replacing the x axis endstop so I ordered the part but the wires look to run inside the casing of the machine. I don't even know where to start to access these parts to replace them. I don't want to totally screw this up. Does anyone have a video they can send me on how to do this? I have been scouring the internet and can't find anything but I'm probably not writing it correctly.

This is a link to a video clip of what it is doing. https://photos.google.com/direct/AF1QipOYxw8b7cYiCKnEHuGJN2Kd4QVIjsb9QVeM87d6hq0RtofAe-2jOv5IAWwIb-ahaw?pli=1

#adventurer adventurer 3 flashforge homing
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Adventurer 3 will not home correctly. replace endstop?

by smithsj

If anyone can send me a video or give me some direction on this, I would really appreciate. My research points to replacing the x axis endstop so I ordered the part but the wires look to run inside the casing of the machine. I don't even know where to start to access these parts to replace them. I don't want to totally screw this up. Does anyone have a video they can send me on how to do this? I have been scouring the internet and can't find anything but I'm probably not writing it correctly.

This is a link to a video clip of what it is doing. https://photos.google.com/direct/AF1QipOYxw8b7cYiCKnEHuGJN2Kd4QVIjsb9QVeM87d6hq0RtofAe-2jOv5IAWwIb-ahaw?pli=1

#adventurer adventurer 3 flashforge homing
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Flash Forge Finder quits feeding filament during print

by E_foster

While printing, my Flash Forge Finder quits feeding filament during the print.

I've tried several different test print .stl files. Some experience the same problem and then another time printing the same .stl it will print fine.

Troubleshooting so far:

Filament reel spins fine
Extruder does feed during loading and during start of print
I've changed print temperatures from lower to higher, does not change the the printer to stop feeding during the print
I've cleaned the PTFE tube and nozzle (.4mm nozzle)
I replaced the PTFE tube and nozzle with a new PTFE tube and new nozzle (.4mm nozzle)
I've checked the extruder gear and it looks clean. I've brushed it with a brass brush.
I've tried 3 different spools of PLA filament that 2 have worked previously. 1 spool was brand new out of the shrink wrap.

At first I was unloading then reloading filament and trying a test print.
Next I left the filament loaded. The only change was to leave the Flash Forge Finder where I stopped the print (sometimes 10% sometimes 23%, usually after 1 1/4 - 1 1/2 hour). Removed the print bed. Cleaned the failed print off the bed. Replaced the bed. Started a new test print, and the Flash Forge Finder started printing again. Feeding filament even though it had just stopped feeding during the previous print.

After changing the nozzle and PTFE tube it still has the same problem.

I'm stumped. Any suggestions?

Thanks.

Also, I followed this thread and it appeared to taper off without a solution also. Similar but different machine and different extrusion
https://www.thingiverse.com/groups/flashforge/forums/general/topic:18074

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Has anyone had a jam yet? *Fixed! Thanks for the help!*

by UnfortunateFish

I recently just switched my ABS Extruder to PLA, did one successful print in the PLA then on my second print, around 85% of the print being complete (about an hour in) the extruder stopped feeding filament and there was quite a distinctive clicking sound. I have tried upping the temps and pushing it through, also pulling it out and re loading but nothing is working. Anyone got any tips on unclogging.

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