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Reparaible and open source paper printer(opentools.studio)
230 points by bouh 2 hours ago | 62 comments
HelloUsername 2 hours ago | parent | next [-]

Interesting comment from last time this was posted https://news.ycombinator.com/item?id=48093670

Inkjet printing requires orders of magnitude more engineering expertise, materials science, industry experience and financial resources than most people imagine. That is the reason, open inkjet printers don't exist despite having been consumer products with the same drawbacks for more than forty years. That is why this is a pre-crowdfund landing page without a demonstrating a working prototype. I would like to be wrong, but I expect you to be waiting a long time. An inkjet printer is not a collection of off the shelf parts. It is a machine that operates at the edge of chemistry, fluid dynamics, and electro-mechanical design...you have to place tiny tiny drops of liquid ink on commodity wood pulp with precision under arbitrary environmental conditions, get that ink to dry on the wood pulp, but not in tank or nozzel, while producing acceptable color, durability, and ease of use. Also lawyers...there are patents.

infl8ed 34 minutes ago | parent | next [-]

I noticed that previous post is from a couple of months ago, and it looks like about a week ago they posted a project update and they claim for their current prototype: "We are successfully printing in both black and full color." https://www.crowdsupply.com/open-tools/open-printer/updates/...

Of course I have no way of verifying either way. Still I do think the project looks quite interesting, I'm in the market for a printer and this is certainly the most interesting one I've seen in a while.

tjohns 2 hours ago | parent | prev | next [-]

On the technology side, I'm somewhat hopeful because it looks like they're using off-the-shelf HP ink cartridges for this. HP cartridges embed the printhead into the cartridge itself, and that printhead is arguably the most complicated part of the entire device. Outsource the printhead, and you're just designing a plotter with a PCL interface.

I agree that the bigger challenge is going to be patents.

It also wouldn't surprise me to see HP add DRM to cartridges to authenticate the printer itself if this catches on. (Possibly requiring a printer driver/firmware update.)

saturn8601 an hour ago | parent | next [-]

Maybe they should have purchased a design from Canon or someone that isn't really in this market anymore. It seems like not only are they locked into a specific older technology generation (which could be ok idk) but they also risk HP just discontinuing that cartridge. It seems like the printers for this cartridge were released around late 2017 so they could deprecate earlier than they normally do. Seems like they provide 10-20 years typically. At the same time , maybe this is just meant for a small user base of nerds and maybe HP wont care.

pbronez an hour ago | parent | prev [-]

I don’t see why HP would want to do that. They have huge margins on ink, right? I’m sure the increase in cartridge sales would offset lost subscription revenue from useless cloud services, if only because the people who are gonna use an open source printer would never pay for that anyway.

ldoughty an hour ago | parent [-]

Looks like the intended use case here is you buy the cartridge once, and refill it, and OpenPrinter won't lock you out after doing so like HP does.

poulpy123 7 minutes ago | parent | prev | next [-]

The second part is verbose but say absolutely nothing of the difficulty and issues. It could be applied to anything, even cooking a steak

rubidium 2 hours ago | parent | prev | next [-]

99% of this is the printhead and the ink formulation. Assuming you use generic off the shelf solutions for those two components you’re set. All the printer companies do their lock in at the firmware and software layer.

WhyNotHugo 17 minutes ago | parent | prev | next [-]

I have enormous respect for dot matrix printers. They're easy to repair and service, the tech is relatively simple, it's cheap, it's parts are cheap, its supplies are cheap. It's way more sustainable than any other printer: both the printer itself in its manufacturing and the ribbons themselves. The waste they produce is also much less polluting than any other printer.

zczc 2 hours ago | parent | prev | next [-]

From the specs:

  Compatible cartridges  
  HP 63 and HP 63 XL (US)
  HP 302 and HP 302 XL (Europe)
  HP 803 and HP 803 XL (Asia)
So they just use HP inkjet technology. That makes it less open-source, but even "open source" parts are going to be under non-commercial license (CC BY-NC-SA) anyway.
phoronixrly an hour ago | parent [-]

> even "open source" parts are going to be under non-commercial license (CC BY-NC-SA) anyway

You're saying this as if it is a bad thing? I absolutely welcome this decision by the authors!

amelius an hour ago | parent | prev | next [-]

It really makes more sense to just buy a laser printer, in almost all cases.

amenghra 2 hours ago | parent | prev | next [-]

An open source all-in-one-printer would be a great device to have. For eg I would love to have the scanner include a camera. So I can get “instant scans” most of the time, and a higher res scan when needed. Maybe the camera could also notice when the person making copies or scans forgot their original and ping them?

sunshinesnacks 2 hours ago | parent [-]

The required super wide field of view for the camera could be tricky, without making the box really deep. Or am I not thinking about it right?

nerdsniper an hour ago | parent [-]

You'd probably need some basic custom lens (not crazy $$) that would distort the heck out of the image, but you could correct the shape in software. Given that GP wanted this to be the "low quality / high speed" secondary scanning option, the inevitable loss of quality would be acceptable.

Seeing chromatic aberration on a document scan would be strange, but this is basically how many document scans are created today (using phone camera + software correction). It's just the lens effects from this cheap lens would be a lot worse than what Apple/Samsung/Google can do with their super expensive to design custom lens stacks.

KennyBlanken 9 minutes ago | parent [-]

That's pointless when ADF scanners will do a dual-side scan, at around 2-3 seconds per page, and more importantly, can do so with a stack of pages.

They've been around long enough that you can find them all over the place used for quite cheap and they likely only need a cleaning.

drum55 2 hours ago | parent | prev | next [-]

That's why this is just using off the shelf cartridges with commercial heads.

jboy55 an hour ago | parent [-]

Which is why its more surprising this was first announced last year and there's no Proof of Concept demo yet?

But really, I've given up on ink jet printers, and have gone the cheap B&W laser route for anything I need to print at home (In the past year, 2 times, a backup ticket and some paperwork that needed a real signature sent back).

But when I had them, the thing that went bad 99.999% of the time was the cartridges or a clogged nozzle on the head. So the advantage here, on the repairability side not DRM, is the rails and motors?

Also that cutter is going to be a pain, having worked on Lightjet printers, that cutter was nearly all field service issues until the FEs started leaving the "laser" key so lab managers could reset the blade themselves.

NooneAtAll3 35 minutes ago | parent | prev [-]

isn't inkjet an outdated tech by now?

loloquwowndueo 20 minutes ago | parent [-]

How so?

VorpalWay 2 hours ago | parent | prev | next [-]

This is interesting, but it seems to be a crowdfunding campaign only. I wish them the best of luck (the cause is worthy for sure), but buyer beware at this point.

(I myself don't 2D print enough that an ink based printer makes sense for me. Ink tends to dry, so for me a laser printer that can sit for months at a time makes more sense. I use the scanner as well as my 3D printer far more often.)

I wonder how they will handle the nonsense around yellow tracking dots[1] etc. Hopefully that doesn't become a problem.

[1]: https://en.wikipedia.org/wiki/Printer_tracking_dots

15155 2 hours ago | parent [-]

> I wonder how they will handle the nonsense around yellow tracking dots[1] etc. Hopefully that doesn't become a problem.

What's there to handle? They just don't include them and there's no statute that requires them to.

VorpalWay 2 hours ago | parent [-]

Hm, I guess there is no law. But why would so many manufacturers include this unless there is some legal reason or other pressure on them to do so?

t-3 44 minutes ago | parent | next [-]

National security letters or old boys network or maybe just fat bribes to the right engineer. Could be a requirement for government procurement too, so not a law, just the requirement of a huge customer with deep pockets and negative price sensitivity.

attila-lendvai 2 hours ago | parent | prev [-]

if i gave a plausible hypothesis to this, then i would be downwoted and ridiculed here on HN...

cwillu an hour ago | parent [-]

Thanks for letting us know, I guess?

esskay 2 hours ago | parent | prev | next [-]

Unless I'm missing something using this in a commercial application would be a license violation:

> Open Printer is distributed under the Creative Commons BY-NC-SA 4.0 license.

> This means that everyone is free to use, share, and modify the project, provided they credit the original author, share derivatives under the same license, and do not use it for commercial purposes.

It's also not opensource yet, there's a vague mention of "when its ready" it'll be released.

SwellJoe an hour ago | parent [-]

What about that license makes you think you can't use the device (i.e. print things) for commercial purposes?

The license applies to the thing, not the thing you print using the thing. Me writing software or prose on a computer running Linux using a GPL editor wouldn't change that the copyright of what I write belongs to me, the author.

You can't make a commercial competitor of this printer using their design, but using the printer for its intended purpose (printing) is obviously unrelated to that.

avianlyric an hour ago | parent [-]

> You can't make a commercial competitor of this printer using their design

Which means it's not open source. Open source means you have the right to distribute work however you want, including commercially, provided you also provide the source under the same license terms as the original.

The second you slap a non-commercial limitation on there, it ceases to be open source.

poulpy123 4 minutes ago | parent | next [-]

It's open source : you have the right to study, copy, share and modify

stavros 6 minutes ago | parent | prev [-]

Of course it's not open source, there's no source to even be open or closed yet! It is Creative Commons, though, which is different.

s0a 2 minutes ago | parent | prev | next [-]

just in time. this will certainly juice development of the equally important open source fax machine.

ssddanbrown 2 hours ago | parent | prev | next [-]

> Open Printer is distributed under the Creative Commons BY-NC-SA 4.0 license.

So not open source.

einpoklum an hour ago | parent [-]

The license doesn't apply to the things you print with it.

Are you miffed by the restriction on you selling derivative open printers?

cwillu an hour ago | parent | next [-]

Yes, because that's the thing that makes it open and able to survive the death or corruption of the entity holding the copyright.

yjftsjthsd-h an hour ago | parent | prev [-]

If nobody can sell me the printer or replacement parts for it after the initial vendor inevitably goes out of business, that's a problem.

williadc an hour ago | parent | prev | next [-]

I had an Epson Ecotank for a couple of years. The printer heads got clogged all the time. We bought a series of cleaning products to address it, they often solved the problem for only a few prints. We finally gave up and bought a Brother laser printer.

This project seems like it's trying to address a similar market to the Ecotank. What assurances can the project team provide that OpenPrinter will have better reliability?

Gigachad 4 minutes ago | parent | next [-]

If you print occasionally then laser is the best option. It's just not usable for photo printing. You ideally want to be using the printer every week or two with inkjet.

slashdave 42 minutes ago | parent | prev [-]

Just bought a Brother ink tank printer (they have a whole line). Let's see how long it lasts.

KennyBlanken 17 minutes ago | parent [-]

Thirteen models that all look nearly identical and a website that doesn't even remotely help you distinguish between them.

I see the same people have been in charge of product design and marketing at Brother for the last twenty years...

Muromec 2 hours ago | parent | prev | next [-]

Image loading is too fancy and went on a lunch break I think.

exmadscientist 2 hours ago | parent | prev | next [-]

I talked a bit about this years ago: https://news.ycombinator.com/item?id=37007815

TL;DR: I'm surprised this isn't a laser printer, as those are actually quite a bit easier to design and manufacture, especially if you can use a cheap, older, commonly available, remanufacturable toner cartridge.

SwellJoe an hour ago | parent | next [-]

There are still quality laser printers on the market without extortion and surveillance built-in, unlike inkjets. The need for an open laser printer is less dire than for an open inkjet.

myself248 27 minutes ago | parent [-]

And not a single solid-ink-onto-paper sublimation printer, that I'm aware. There are badge printers still using a dye-sub ribbon, but the Tektronix Phaser, later the Xerox Phaser, is completely gone.

I wonder why. Were the consumables too cheap and the printers too reliable to be commercially viable? Did color laser printers catch up in terms of print quality? Did it have some other fatal flaw?

OneDeuxTriSeiGo 14 minutes ago | parent [-]

Hot melt ink/solid ink has a laundry list of problems that complicate it.

- A single ink clog can destroy a printhead.

- partial clogs can result in ugly messes with ink smeared all over the pages and the assembly further smearing on later prints.

- the printer has to be calibrated to the specific formulation of solid ink to work properly. A bad ink batch or calibrating to the wrong formulation (or a drift in specs on the formulation) can cause clogs, print head failures, etc.

- solid ink printing massively complicates lamination if that's something you need to do (ex in an office).

Overall it's a far more unforgiving process. You can't really have aftermarket inks like you can with modern inks and even variations in the first party manufacturing process can have catastrophic effects on the print hardware.

cwillu an hour ago | parent | prev [-]

Inkjet cartridges often contain the print heads; toner cartridges still need a fuser roll and imaging head to do anything.

dinkleberg an hour ago | parent | prev | next [-]

I really love the idea of a paper roll rather than individual sheets. Being able to print out to the size you want rather than only in pre-set sizes is quite cool.

idorosen an hour ago | parent | prev | next [-]

I want to buy one of these just to support projects like it.

logdahl 2 hours ago | parent | prev | next [-]

Would be interested in others take on this. Personally, I wonder:

- By rolling the paper, will it really stay flat after printing? - How easy / cheap will sourcing ink be?

Natfan 32 minutes ago | parent | prev | next [-]

how has no on mentioned the typo in the title

s/Reparaible/Repairable

Titan2189 6 minutes ago | parent [-]

*no one

rubatuga 2 hours ago | parent | prev | next [-]

Isn't the paper feed the hardest part - the part that always gets jammed? I swear a paper roll is cheating.

prrrrrint 2 hours ago | parent | prev | next [-]

Been waiting for framework to make a regular 2D printer, of any kind, would buy at least two instantly. I will never, never, never buy a fing printer from hp/canon/epson/brother/etc with anti-consumer tech, I rather die.

another-account 43 minutes ago | parent | prev | next [-]

LASER

tomkarho an hour ago | parent | prev | next [-]

Richard they did it. You can rest now.

TeaVMFan an hour ago | parent | prev | next [-]

Title Typo? Reparaible to Repairable?

protocolture 33 minutes ago | parent | prev | next [-]

How do they get a satan inside it, i thought demons were proprietary.

einpoklum an hour ago | parent | prev | next [-]

This is just the thing I needed 30 years ago :-(

To be less facetious though, this seems like a nice project (*), but I print so much less these days than in the past. I printed a lot of color stuff when I was in school; but these days I just settle for black/halftoning from a laser printer, for when I actually need something printed, and color on screen only.

---

(*) - except perhaps for the NC restriction in the license.

ktallett 2 hours ago | parent | prev | next [-]

It's such a good idea as a project and by the looks of things well executed. I also feel the style of the printer and the fact it can be a roll of paper will lead to interesting project ideas.

getcrunk 2 hours ago | parent | prev | next [-]

I mean it’s about time a company makes a repairable and pro consumer printer. My god

ChrisArchitect an hour ago | parent | prev | next [-]

Please "repair" the title, maybe include OpenPrinter to start with, or solely.

Some previous discussion on the crowdfunding:

Inkjet printer with DRM-free ink will be launched via a crowdfunding campaign (2025)

https://news.ycombinator.com/item?id=45423404

jzer0cool an hour ago | parent | prev [-]

Can we expect photos to be looking nice?