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I appreciate the amount of technical detail you included here - you probably fit in nicely with the tinkerers here. 0dan0 already addressed some of the points you raised regarding the sensor. So I'll just add a couple of my reflections on your post. Not sure if I understood your comment about...

I don't think others have reported that specific issue in these threads. My 2 cents... it may be worth requesting a replacement unit. While you might be able to snap things into their right place, it could be that there are other build quality issues connected to the body mis-alignment. Some...

Hi @WowIndescribable, a few of my thoughts... Based on a recent post, it seems as though is 0dan0 is starting to wrap up his work on this firmware. My opinion is that since version 7.3 or so, the firmware features have gotten "good enough" for use to start using on a big "family film archive"...

Hi @0dan0, I'm attaching 2 slightly jittery captures using the debug feature on my lens modified Model C scanner. I haven't had jitter quite as dramatic as the one you just posted, so these ones will hopefully suffice for now. Movie0014: Moderate bottom jitter Notably, the second jittery...

@0dan0, thanks for the v7.7 update. It seems to be working well on my Type C scanner. I like having the stats/settings over on the right side, to not obscure the scan preview - well done! ISO Max setting works well. As you you had mentioned previously, the ISO does not exceed 400 during...

This is most likely due to the encoder freezing up and can be mitigated in various ways. See the “Known Issues” section of the User Guide (link in my signature). Also, it could be the file size limit being reached.

The Qp (Quantization Parameter) level that you set (15) and see being achieved (16) is quite good (essentially the highest quality compression you can achieve on this hardware with this current custom firmware, and WAY better than what you could achieve with the stock firmware). Qp can be...

Thanks @0dan0, I can confirm that at on my Type C scanner, the ISO value does 400 ISO during film scanning and also reported up to 800 ISO when I put my finger between the light and the lens (blacking out the sensor). Also, the encoder is showing as running at Qp 16 (when set to 15). Thanks for...

A User Guide and Reference to 0Dan0's Custom Firmware Most Recent Firmware: v7.7.0 (Dec 31, 2025) - Versions A, B, and C Guide Updated Jan 2, 2026 WARNING - A New Model in the wild If your serial number starts with, or is similar to H2825148BKxxxxx this may be a new "D" revision firmware which...

I see that the Qp level now ranges from 15 to 29 (instead of 39) and it no longer loops back to 20 when exceeding that range) = Good!

Does this WB settings table take into affect the Red "Trim" you had where 496,256,256 was "default/white."

The User Guide (and Version History) can now be found here as a Resource Article.

@0dan0 small bit of feedback on 7.4 (C). I'm not sure you designed it this way or not, but during capture, while adjusting the Qp, if I am currently at minimum Qp of 15 and continue to press the - button to lower the Qp further, instead of remaining at 15, it jumps back to Qp min of 20...

This sounds wonderful. Do the previous methods of adjusting those settings (White Balance, Tint, Saturation, Frame Rate) still work?

I messaged you a link to a recent capture file that potentially demonstrates this. (7.1.1, model C, Super8, lens mod)

I suspect that newer units are more likely compatible with the C firmware (the unit lookup tool doesn't accurately report on newer units). Give this one a try: FWDV280-TypeC-V7.1.1-0dan0

I can also report that several instances of my scans on a type C with 7.1.1 have frame jitter (frankly it happens more often than it doesn’t happen. Sometimes it’s significant, but sometimes very subtle and I have to look closely for it or compare to older scans of the same footage. Would...

Check that you have the film fed under the 4 black tabs in the scan path. Depending on how/where the film is coming out, you may need to adjust the tension on the metal press plates by slightly screwing or unscrewing them (the plates are spring loaded). You may also consider not using the...

Done. See link to the guide in my signature. I've also added in the complete version history for reference on when certain changes took place.

I've taken the opportunity to revise the User Guide to 0Dan0's Custom Firmware to include some Known Issues. Will try to keep these updated as progress is made. I've also revised the Version Release notes section. Also, @eyeidea, while I think it would be great for someone to put together a...