Davinci Junior Filament Stepper clicking (Page 2 of 4)

Mine came with PLA and smells nice and sweet and not chemical like ABS. The junior also reads the NFC chip correctly as natural PLA and heats up to 210 degrees Celsius. The jamming is most likely due to low grade PLA and possibly firmware. I have a solidoodle 2 that came with a horrible print head that jammed up a lot when using ABS. I quit on it and have been waiting for something nice looking and compact. I decided to go with xyzprinting junior even though I already knew about the DRM. It's so much better than the solidoodle! Sucks that I have two spools of colored higher quality PLA that I can't use with the junior. Hopefully someone will figure out how to bypass the NFC. I also have to wait for Amazon to have the junior PLA in stock so I won't have to pay ridiculous shipping charges to where I live. So, 1 to 2 month wait for Amazon to have stock and I'm about done with the spool that came with the junior

I thought about unspooling the crappy PLA but I wanted to use the natural color. The good PLA that I have is blue and purple. I printed out better parts for my solidoodle 2 so hopefully I can start printing with it again Then I'll have two printers one PLA only and the solidoodle for other filaments.

HEADS UP! Da Vinci Junior Filament will be in stock next week on Amazon. They just updated their inventory listing from '1 to 2 months to ship' to 'In stock may 25'

I have been in contact with Charles at XYZ and he has been helping me with my issues printing. After telling him that this printer is doing the same things as the old he sent me one more suggestion to try and IT WORKED! I can't believe it's actually working after all the problems but I was able to clean the nozzle using his method and raised the Z-offset by 0.2mm and I have a good looking print again. I'm printing my second object after following his recommendations and so far no clicking. I really hope this fixes it so in hopes that it helps some of you here is the recommendations I received from him to clear the Jam:

"  It sounds like the extruder may be clogged.  If you already attempted cleaning using the typical method of inserting the wire into the nozzle hole, here is something you can try.

Before starting, unload the filament completely from the extruder.  Remove the filament guide tube from the extruder by holding down the black collar around the quick disconnect and the tube should be able to be pulled right out.  Release the extruder from the extruder carriage.  Please note to be cautious since the nozzle may still be extremely hot.  With the extruder out, insert the filament back into the extruder until it stops.  Now using the menu, activate the “clean nozzle” function.  Once up to temperature, carefully insert the cleaning wire into the nozzle hole.  Repeat this a few times.  Now turn of the printer and wait for a few seconds and cycle back on.  Once the printer has initialized and started, select “monitor mode” in the menu.  This will display the extruder temperature.  The temperature should continue to drop since the nozzle is no longer heated.  Once the temperature cools to about 90*C pull the filament out of the extruder.  At this temperature, the filament would have solidified enough to come out in soft solid state, bringing along anything that may have caused a blockage.  Now, reinstall everything in reverse order.

Once this procedure is done, test and adjust the z-offset.  Once printing, if you hear any “clicking”, I recommend raising the z-offset by 0.2mm increments until the clicking has subsided.   Please note to take extreme caution while handling a hot extruder.

Please let me know if you have any questions or concerns about performing this and hopefully this helps.  Thank you.  "

i'm embarassed to say, that I just now realized I too suffer from x-axis sag. I printed a 8.58 mm cube closest to the left side (to reduce the effects of the sag) and that number spot on seems to have done the trick. I pressed it up against the right side and propped up the rod like in the previous pictures. The difference is like night and day, ink used to pillow out on the right side on the first few layers.

After 19 emails and a lot of toing and growing with Fernando at xyz I've finaly received my new printhead they have actually admitted that the original print head isn't up to the job and after installing the new extruder I am on my 3 rd print and I can honestly say its fantastic I've just printed a nema 17 motor mount for my next project and it faultless very smooth can't see a line almost very very pleased as if this didn't work I would have had to wait until July for one of the new extruders from the new model 2 wifi model.

Hey Steven61171, could you post some pictures of what you have printed with this new printhead? I'm interested to see what kind of difference it makes. I am still waiting to hear back from Charles about getting one for myself. Is it better at printing smaller details because my current printhead sucks at printing anything other than a round shape if it is in the 2-3mm diameter range.

Two words, boat anchor.

On topic though the squeak could be caused by back pressure and the motor is pushing harder. Its possible although you cant do it that the new roll could use a 5 degree bump in temperature. Your rods could be bent as well causing the nozzle to be too close to the bed in some areas.

Hello, I am also trying to get the white piece that holds the filament and the NFC chip, we have 4 different PLA colors and it is a hassle to change them each time.  I emailed support and they responded that they cannot sell me extra white pieces and if it breaks, there is nothing they can do about it.  This is crazy!.  We should be able to print our own parts if the manufacturer does not even want to sell us the parts.  I am not good with design so I can't create the STL file myself, anyone knows if the STL file exists somewhere or we are just out of luck?  Thanks

>>Since it is working I'm going to stick with it for now. I've ordered some black filament. Does anyone have an STL file for the filament holder piece that the Chip goes into so that I can print a couple more? This way I don't have to change them everytime I'm changing filament type.

I just started having the same squeaking noise on mine. Tried customer support first but no help. I decided to take left side panel off and inspect the feed mechanism and I found the squeak location! There is a plastic encoder disc that came un-glued from its pulley which could be part of the noise issue. The pulley is also very close to the encoder sensor and rubs on that plastic as well. I sanded the encoder plastic a little and now I need to glue the disc back onto the pulley. The grease on the pulley mechanism weakened the glue on the disc and that's why it came loose. I was turning the pulley by hand before I took it off to verify the noise and sure enough that was the location it was coming from. I also spun the stepper motor pulley to make sure it wasn't making noise and it isn't. Seems like most of the noise was from the sensor plastic being to close to the pulley with the encoder disc and possibly some noise from the loose encoder disc rubbing on metal. I put the disc and pulley back on temporarily and noise is gone! I think the sanding worked. Still need to glue disc back on and put everything back together.

Nicely done! How did you manage to get the side off to get to that unit? I received a new extruder head, the "Updated" version, and so far the prints are good, better than before and no squeaking.