AlexanderSamuel

SOLVED Hello everyone! I managed to get my printer up and running again! Here is what I did: Turns out that the error messages were misleading. No bad flash memory and no corrupted uSD! The actual install process went through without any problems! With the 4.3.3 recovery image and with the 5.3 recovery image. However: the problem here was that the installers always messed up the contents of the i2c Eeprom on the Olimex board. As described in @gr5s guide, I had to run the command (for my UM3) python3 /ulti_installer/configure_eeprom.py 9066 and then reboot the printer. After that the operating system knows that is running on a Ultimaker 3 and everything is fine! As (and this is also described by gr5) the software versions 5.x don't have the python script included in the images anymore you have to extract this from a older version. I copied mine from the 4.3.3 installation via SCP. Note that you have to activate "Developer Mode" on the printer in order to do this! Interestingly, the Eeprom fix does not seem to be persistent with me: after installing 4.3.3 and running the python script the printer was ok. When updating to 4.3.97 it was broken again.. fixed it again and the upgraded to 5.3... broken again... and fixed it again. Maybe the next update will break it again, so I will keep the serial cable in the Ultimaker draw, together with a USB stick containing the python script! 🐵 By the way: @gr5 , the download for the script on your website does not work. Maybe you want to fix that? Many thanks - I learned a lot the last days. Cheers, Alex.

So the USB-Serial cable arrived today and has worked just fine... I logged the serial output when installing the 5.3 image from uSD-Card. The first error occurs, when it says: Unable to output image: '/umsplash_png.fb' to: '/dev/fb0'. /dev/mmcblk0p2 Checking for updates ... Attempting to mount '/dev/mmcblk0p1'. [ 5.070676] F2FS-fs (mmcblk0p1): Magic Mismatch, valid(0xf2f52010) - read(0x2000) [ 5.078259] F2FS-fs (mmcblk0p1): Can't find valid F2FS filesystem in 1th superblock [ 5.089403] F2FS-fs (mmcblk0p1): Magic Mismatch, valid(0xf2f52010) - read(0x2005) [ 5.096948] F2FS-fs (mmcblk0p1): Can't find valid F2FS filesystem in 2th superblock [ 5.104665] F2FS-fs (mmcblk0p1): Magic Mismatch, valid(0xf2f52010) - read(0x2000) [ 5.112199] F2FS-fs (mmcblk0p1): Can't find valid F2FS filesystem in 1th superblock [ 5.119873] F2FS-fs (mmcblk0p1): Magic Mismatch, valid(0xf2f52010) - read(0x2005) [ 5.127372] F2FS-fs (mmcblk0p1): Can't find valid F2FS filesystem in 2th superblock [ 5.143897] EXT4-fs (mmcblk0p1): mounted filesystem with ordered data mode. Opts: (null) No update image 'um-update.swu' found on '/dev/mmcblk0p1', tryin[ 5.204089] F2FS-fs (mmcblk0p2): Magic Mismatch, valid(0xf2f52010) - read(0x5d60) g next. Attempting to mount '/dev/mmcblk0p2'. [ 5.213846] F2FS-fs (mmcblk0p2): Can't find valid F2FS filesystem in 1th superblock If I read gr5s instructions correctly, that would indicate that something is wrong with my uSD card? (mmcblk0) and I should get another one? Can someone confirm this? Thanks a lot, Alex. serial_output.zip

Yes, gr5… your ideas and page are exactly what I was referring to! Thanks! ☺️

Thanks a lot for your answer, Enigma_M4! I wanted to try a serial terminal session to the Olimex board, but realized that my 3.3Volt level shifting RS232/USB cable never came back home from a friend, who borrowed it ages ago! 😄 I ordered a new one and hope that it will arrive end of next week. Instructions on how to re-partition the internal storage seem to be promising. I‘ll keep you updated. Cheers, Alex.

Good evening everyone. I recently aquired a used UM3. When I connected it to my WiFi, is asked me if I wanted to upgrade firmware... I said YES without questioning the offer. Then the problems started: - It downloaded an update and installed ist. When it went into the reboot, it never came past "Ultimaker" in the display. Jog-wheel didn't light up. Totally stuck. Repeated power cycles did not help. - So, I opted for the Recovery process as described in the Ultimaker website. I downloaded recovery Image um-restore-5.3.0.20211003.img and did as instructed. The install process does not start - green LED constant on, no yellow lights - only "Ultimaker" in the display, nothing else happens. - I hunted the internet for older recovery images - found these: - recovery-5.2.16.20200331.img --- not working - UM3_recovery-4.3.3.20180529.img --- not working Finally found one image that did work: - UM3_recovery-3.7.7.20170627.img Install process runs fine - printer back up and running. However this firmware is really old and Cura doesn't recognize the printer on the network and it doesn't like the original Ultimaker filaments and the gcode processed via Cura will not run on the UM3. I then tried updating via USB stick - as instructed on the UM website... for old firmware (4.3.3 and earlier)... selected 4.3.97 and the same thing happened: stuck on reboot!! Can someone please point me in the correct direction? Thanks a lot - kind regards, Alex.