Sunday, March 14, 2010
Printers!

What a paradox of technology… On the one hand, think about how empowering a printer is! It’s a pretty amazing thing to have on one’s desk… On the other hand, I’m sure nearly everyone has some kind of printer story… Maybe it's because I'm in a house full of cats, but there’s just so many things that can go wrong with them, and usually when we need them the most...


or



or even...



Okay okay, enough examples!

But I think that above all else, the worst thing about inkjet printers has got to be their cartridges.

Can I tell you my printer story?

A few years ago, a friend of a friend of mine came into contact with something of a local legend known as "Free Printer Guy". While this moniker may seem odd, it actually made complete sense to my friend because shortly after meeting this kind stranger, he was promptly given a free (new in box!) inkjet printer. I know, right? Anyways, when my friend, still amazed, asked the "FPG" how he was able to give away brand new office electronics in such a cavalier manner, he was - at length - let in on the secret origin of the FPG...

As it turns out, the FPG was once a normal computer user like you or I, until one fateful day... You see, FPG had been in the market for a new inkjet printer, and after doing some online research, had found a likely candidate at a local Best-Future-Staples-Depot... He bought it, and everything was just fine until the day came that he needed some new ink cartridges. Upon returning to the store, FPG made a shocking discovery; the ink cartridges were more expensive than the original printer (which included two cartridges). FPG went on to explain to my friend that it was simply cheaper (and somehow easier!?) for him to buy a new printer whenever he ran out of ink, and just give away the unneeded printer.

True story!

It really illustrates the kind of needless waste so (sadly) often associated with printers and even computers in general. Also, yes I am aware that it looks like I was, in fact, the FPG, but sadly I cannot take the credit... He's still out there someplace (and Lexmark is, inexplicably, still in business) so there you go... I guess there is some kind of moral here... It's either don't shop at future-best-staples-depot, (that should be a given) or, don't be like FPG. One of those is probably the moral.

Anyways! Today we're going to look at one way to circumvent the evils of Big Ink and their cartridges and liberate your inkjet printer once and for all!

I've heard anecdotes about some of the early versions of ink cartridge security - how they could often be circumvented by covering the chips with electrical tape - but unfortunately since then, ink cartridge security measures have become increasingly complex (and cartridges increasingly expensive!). Cartridge-refillers answered back with the introduction of "chip resetters," which tricked desktop printers into accepting re-filled cartridges. This cat-and-mouse game has continued and while it's still very possible to bypass cartridge security, the design of today's ink cartridges has made home refilling impractical for many people. The result? Basically everyone is paying way too much for printer ink. For real! I don't often use graphs, but get a load of this one!




Yowza!

Time for something radically different. Time for a CISS!

What is a CISS? Well, CISS stands for "Continual Ink Supply System" and it allows a conventional inkjet printer to draw from large (easily refillable) reservoirs of generic ink, rather than expensive, and wasteful proprietary ink cartridges. Best of all, it only requires some minor modifications to your printer, and many models are compatible!

What are the advantages of a CISS you ask?

Good question! Well first off, it's the cheapest way to print at home bar none. Second, the print quality is pretty much identical to what you'd get from a cartridge. Additionally, you can use bulk generic ink! I paid around twenty bucks and haven't put a dent in my bulk ink supply. And lastly, CISS are also easily one of the most efficient and least wasteful ways to print. While those who print super high quality photos professionally may want to stick to their own methods, a student who needs to print large numbers of essays will find a CISS invaluable.

I've modded a couple printers with CISS now, and thought I'd include some photos of my own printer setup and explain how the installation goes.



1. Above is a picture of my printer, an Epson Workforce 500. As with most printers, the main modification is generally the removal of any cap or lid over the ink cartridge jumper (seen below).



Once the cover is removed, the replacement cartridge head can be installed.



2. Next, a small tube-guide is added to the side of the printer.


The tubes are then run from the cartridge head through the guide.


3. Finally, the tubing is run through another small guide and connected to the reservoir tanks to the side of the printer.

Below: a shot of the reservoirs.


4. Print! Print it all! Muahahaha!

However, like Gremlins, there are some rules to owning a magical CIS-enabled printer... namely: don't let the ink levels drop below the half-way point of their respective tanks, otherwise you'll lose pressure and the system will need to be re-installed (a real pain!). Sure, they do have their quirks at times, but overall, the small hiccups are small price for an effectively endless supply of incredibly affordable (and easy to refill) printer ink.

M.

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posted by Marcus at 7:45 PM | 1 comments
Thursday, October 1, 2009



Fall: The Season of Horror… Hallowe'en, the return to school, and most horrible of all… Funding applications!

*Shudder*

If you have to deal with either of the latter two, then you probably encounter your fair share of digital documents or .pdf files…

PDF files are super handy, but they can be a source of huge frustration if they’re been locked for editing (or have any number of other restrictions). You’d think this wouldn’t happen that often, but I am amazed by the number of .pdf files I come across that actually require printing because they don’t allow modifications (ironically defeating the purpose of a digital document in the first place!).

Time for PDF Pirate!

As its name implies, PDF Pirate is a online application that will make an exact copy of any PDF file you throw at it... well… almost exact… it just forgets to include all those security restrictions- oops! Have a PDF that won’t let you enter text? Passworded? Have one you can’t print? Just upload your .pdf file to the site, wait patiently, and then download your new (restriction free) .pdf - Huzzah!

Here’s to a slightly less horrible application process!




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posted by Marcus at 7:04 PM | 0 comments
Sunday, August 17, 2008

Parking lots... What in the name of Oprah is the deal? I'm not going to name any names... but it seems the campus lot I tend to use seems to be a constant source of confusion for the the many cars it swallows... They have this system see... tickets and whatnot... machines with many slots... I dunno... People clearly seem to have problems with it... It's actually not unusual see a couple cars stuck in the exit on the way in/out... Isn't anyone else concerned about these innocent victims lost in the lot?! (or those stuck with a heinous flat-rate?!). In all seriousness... I think parking lots/structures could be improved immensely... A simple google search will yield countless patents concerning improving their efficiency and accessibility (not to mention safety!). Sketchy!
Well, worry not... A solution does indeed exist... at least for a particular type of gate... Many varieties exist... some magnetic, some proximity... and some... well, much more efficient/fool-proof/or erm... 'heavily surveiled'... So discretion is advised! The gate in the video, as Jason from hackaday.com points out, happens to be a high oscillation/proximity type... As such, effectively anything that can break or attenuate the signal could potentially trigger it... and consequently, the fact that these guys happen to use "metal" objects is somewhat (or completely) moot... Also, as one commenter happened to point out... if this was in fact the magnetic type, the use of an aluminum can would probably not be ideal... being non-magnetic and such... Rather, anything with a magnetic field, such as an mp3 player/laptop/or even *sigh* an iphone (glad he's getting his money's worth out of it...) would be more likely to work with the magnetic variety....




Go save some hapless parking lot prisoners!

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posted by Marcus at 12:38 AM | 1 comments
Wednesday, December 5, 2007

Do you know anyone who makes their own clothes? Or who sews a significant amount? They may use an industrial sewing machine. These things are monsters... seriously, we're talking some serious torque... As a consequence many users complain that they lack sensitive controls... Lady Ada of Adafruit Industries fame has a great write-up over at her blog explaining how to change the pulley to decrease the overall max speed to better harness their killing- I mean sewing power... There's also a really interesting comments section that has some very insightful users offering other less technical tricks such as putting a nerf ball under the foot-pedal to similarly provide more sensitive controls...
You can check out the full article here

Have fun!

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posted by Marcus at 11:39 PM | 0 comments
Saturday, December 1, 2007


Ok, just one more post today... blogging can such a welcome distraction from things... This one is from a wonderful site called Antiyawn.com... Definitely a blog after my own heart... lots of great articles and very funny through and through... We've covered pop machines, the "claw" game and photocopiers... but how about Coinstar machines? It seems in exchange for taking your change they charge you 9% for services rendered... Consequently, it has been revealed that by selecting the "gift card" option and unplugging the phone cable from machine before the transaction completes... well, just check it out over at Antiyawn.com

That's all for today...
Really!

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posted by Marcus at 5:56 PM | 1 comments
Friday, November 30, 2007
This is sorta old but it's still worth checking out... Elevator "hacking" as an Engadget.com article observes, is, a rather generous term... way generous... But who wouldn't like to be able to go directly to one's desired floor without having to deal with all the others in between? I've tried this on Otis elevators (the brand that seems to have the highest success rate save for the infamous 1992 model) and indeed, it seems to work... Interestingly, the article at Methodshop.com mentions the phenomenon of "placebo buttons", such as in say, cross-walk buttons that aren't really connected to, well, anything! The phenomenon of "Elevator Hacking" deserves similar scrutiny... Is it a placebo or does it work? You'll just have to try it for yourself...
Pressing the "Door Close" button in conjunction with your desired floor will, it is theorized, put the elevator into a sort of "independent service" mode... bypassing all other floors on the way to yours...

Link courtesy of Methodshop.com

Have fun stormin' the castle!

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posted by Marcus at 10:34 PM | 0 comments
Tuesday, November 27, 2007
You can find public coin operated photocopiers on any campus or in any public library these days... They're convenient for copying your friend's notes, or a particularly expensive textbook... But they're totally more convenient when they're free... Now, I'm not saying go nuts... but this could come in handy if you find yourself nearly out of change with pages to go...
The hack basically takes advantage of the two-second delay between the coin box and the machine itself. Print your document and then press the coin return button within the two-second window and... well, details can be found at I-Hacked.com. As always, use this information wisely, okay?

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posted by Marcus at 1:09 AM | 0 comments
Saturday, September 29, 2007


Batteries! The ugly side of portable consumer electronics... I usually just use NiMH rechargeables, but you can't really argue with this:
32 AA batteries from a single 6v.

In a similar manner, one can also remove 6 AAAA (yes AAAA) from a single 9v.
Or 8 watch batteries from a 12v.

links courtesy of lifehacker.com

Have a good weekend!

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posted by Marcus at 12:32 AM | 0 comments
Thursday, September 27, 2007
Ah, vending machines... talk about hackbait... I mean, they're these big colourful machines with (often comically large) buttons... filled with all varieties of immediate consumer gratification... Who'd wanna mess with that, right?!

Anyhow, i'm seeing a whole lot more of these new machines around where I live now... So, if anyone missed this the first time, or has only recently noticed them where they live, here it is again... A warning, though? You're really not going to get anything free with this information...
But still! It sure is neat to mess with 'em and see how they've
evolved...

For the Pepsi fans, instructions can be found at I-hacked.com

Coke machines are covered quite definitively at docdroppers.org


Ok... one more link for today, just to compensate for the disappointment of not actually getting something for free...

How to win at "The Claw Game"


Until next time...

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posted by Marcus at 1:35 AM | 0 comments
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