DesignAday

My name is Jack Moffett. I am an Interaction Designer with over ten years of experience. According to Herb Simon, that makes me an expert, so I must have something worth sharing. I have started this venture as an exercise to spur critical thinking about my chosen profession. I hope that others may find it thought provoking as well.

DesignAday will present a brief thought about Design every weekday.
Oct 28
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Toner Moaner Part 2

So, I’ve been using my printer for a couple months since it started telling me to replace all three color toner cartridges. I wrote about that back in September. Last night, I was trying to print out two pages of black text, and the printer refused to print, displaying an error message stating that all three cartridges were “end of life”. A quick search turned up a number of discussion forums with the instructions on how to circumvent this premature money grab on the part of Brother.

There are little windows on the sides of the cartridges through which you can see the toner. Apparently, the printer has some kind of optical mechanism for testing the amount of toner left. Of course, once the toner gets below a certain level, it no longer detects it, even though there is still some in there. According to the instructions, placing electrical tape over these windows causes the printer to think there is still toner in the cartridge. That doesn’t make much sense to me, as the chances of all three cartridges reporting empty at exactly the same time are highly unlikely.

I didn’t test that procedure, as there were also instructions on how to access a special menu via the console that lets you reset the life of each toner cartridge. This worked just fine, and I was finally able to print my pages. We’ll see how much farther I get before printed pages actually start showing signs of low toner.

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