Shadowman

I ask the following to determine if normal as we are still getting familiar with the printer. I did not mention this before even though it was heard because there are noises throughout our shop that make isolating noises often difficult. However, once we moved the printer into the office yesterday and started a print it became very apparent. When printing circles it squeaks loud and constantly. I watched very closely and it squeaks when both the (as I looked from the front) left stepper motor and the right stepper motor are active. As soon as the right stepper motor stops so does the squeaking. Conversely, if the left stepper motor is active and the right stepper motor becomes active the squeak is back. Below are 2 videos; one while printing the test object and one simply circling the Prime Tower. For your information straight x and y printing is quiet; only when doing circles does it squeak; and it is pervasive and loud. I tried to include a video but was not successful. Edit; I was able to included a compressed version of a small sample. Thank you Video.zip

Hi Sander Thank you for reading the post. 1. I read where at least one other was assisted getting the printer online with a static IP and ultimately this is where we want to be too. I appreciate you looking into this. 2. I am sorry for the confusion; when the active bed leveling fails it aborts automatically and then during the automatic retry (meaning we don’t cancel the print) it has always succeeded. I was instructed by Spencer i.e. tech support to check the wires at the printhead, perform manual bed leveling, and confirm the latest firmware; all of this has been done and it still happens randomly; most recent; yesterday. 4. Agree; we have not seen it repeat. 5. The prints once the PVA is dissolved are nice “except” when the PVA gets intermixed with the PLA during the printing process. We have completed a few prints and the recent prints have looked much better since using the prime tower; just a lot of extra print time but if this is the cure then all good. Also; it appears that the disheveled PVA is most prominent at sharp corners and as the structure gets taller; short PVA support as in 25mm and shorter seem fine; in fact nice and crisp however, as the PVA support gets taller the issues are more apparent. Thank you again

So; no insight regarding issues 1. 2. 4. 5. Thank you

Agreed; light adjustment would be nice.

What layer heights has this Print Core been calibrated in Cura for?

Perfect. On those pieces where having the dimensional accuracy as close as a feasibly possible is desired we will run a small test cube before proceeding. In the meantime, we will run a couple sample prints using the Shell Horizontal Expansion variable to see how the printer responds with Tough-PLA and PLA. Your input on this is appreciated. Now hopefully, we can get some insight on the other 4 items from other members and or the Ultimaker team. Takes care.

Thank you for creating the opportunity for me to carry on a conversation. Takes care.

Thank you. I appreciate you taking the time to read my post and replying as you did. As I stated; because the S5 is new to us we are establishing a baseline while getting to know the printer. I understand and accept your position while also agreeing that our making offset adjustments within our cad file is not the direction we wish to go. In the case of these test we used Tough-PLA whereas is using PLA or ? I suspect the measurements to be different. I think my greatest question was if the horizontal x/y measurement is consistently larger (albeit incremental) than the z measurement should we alter a Cura print value such as Shell Horizontal Expansion. Takes care and; thank you again.

I registered and made an initial post yesterday hoping to garner some information as we are getting familiar with the S5 received a little over a week ago however, I see that the post remains in the moderator review process. it would be wonderful if this status would change so information can be shared. Thank you.

We received the S5 a little over a week ago and have had it printing a variety of items primarily to get familiar with it and now have a few items that we need some help with and or clarified. So as to be clear; we have performed the manual bed leveling and the xy calibration. Item 1. Initially we connected via LAN and it was simple and caused no issues; we did a MAC IP assignment so we could monitor the activities off sight. 3 days ago we disconnected the LAN and connected via WiFi as ultimately this is a requirement. Once again we did a MAC IP assignment and all connected and seemed to be fine with us being able to send files via the network and monitor the print when off sight however; when the print completes and the S5 goes into sleep mode the WiFi connection is lost and the control screen on the S5 states; "unknown" network" and the only way we were able to get the S5 back on the WiFi network was to reboot the S5. Initially we thought this was an anomaly however, it does the exact same thing every time. In fact, if we are in Cura we also have to reboot Cura after the S5 is on the network or it only gives us the "Print from USB" option. How do we fix this as the S5 is in a temporary place at the moment but needs to be moved where we do not have reasonable access to LAN. I read others sharing this same situation when the S5 was initially delivered however, I was told not to worry because it was corrected. I also discussed the idea of placing the IP on static as I read of at least one other person having done so with the assistance of Ultimaker. I was told that this can be done and is planned as a menu option in a future FW release but was not given an easy way to do it. I do not know if because the S5 is MAC IP assigned that it is causing an issue when attempting to grab a IP address from the DHCP pool; all I know is that we require a stable and consistent WiFi connection on the same IP address. as such need some help. Item 2. Several times the active bed leveling was not able to be completed stating; "There is a Problem with the Active Level Sensor". The bed was clean and there was no material protruding from the Print Cores. Each time the print was aborted and restarted and both times with no intervention from us the active bed leveling was successfully completed; why? Item 3. We have printed a few test cubes because we were finding that parts that required being fit together required significant post print work. Z = 20mm, X = 20.25, Y = 20.22. In every test print the results are pert near the same with the Z always incrementally shorter; now I understand plastic and thermal differences so I ask; would a tweak with shell horizontal expansion mitigate this or am I chasing the impossible? Furthermore; is the shell horizontal expansion value even the correct place to consider? Item 4. When we swapped from a .25 AA Print Core back to the original .4 AA Print Core and loaded Ultimaker silver PLA it presented an "silver metallic incompatible material warning"; we proceeded to print with it and saw no issue. Why the warning? Item 5. PVA. using the default settings our initial results were less than stellar with the PVA support looking very messy; stringy, spaghetti looking corners, etc.. I spoke with a person at Ultimaker about this and he suggested three things; "always use Prime Tower", use "Grid" pattern for support, and increase "Support Horizontal Expansion to 3mm". We did this and then completed a couple multi day prints and the results were better but still far from crisp. I ask about this because the Ultimaker videos that I have watched show a "much" cleaner PVA support results. Thank you