Customer Review

254 of 258 people found the following review helpful
5.0 out of 5 stars Terrific copies and much higher yeld, March 15, 2011
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This review is from: Brother High Yield Toner Cartridge TN450, Black (Office Product)
I converted to a Brother monochrome laser printer a few months ago after years of frustration with another brand's all-in-one printer that consumed huge amounts of color ink even though I printed everything in black and white. The toner cartridge that came with the Brother laser unit ran out quickly, as I was warned, and it took a while to figure out how to replace the cartridge the first time around but now it's easy. I've got the printer set for 300 dpi (and for text instead of graphics) to maximize my yield. Like others, I started to get a "low toner" warning around 1500 copies and if it weren't for seeing other Amazon reviews for other Brother cartridges, I might have changed the cartridge shortly after getting the first warning. Having read the other reviews, however, I removed the existing cartridge, shook it a bit to assure the remaining toner was well distributed, ran the "carona wire" back and forth a couple of times and returned the printer to regular use. So far, I've printed over 1200 additional pages since the first warning and everything is still printing fine, with no lines or other problems that come when the toner actually is low. I'm watching to see how much longer the old cartridge will work, but wow, the other reviewers definitely helped by warning of this problem. It's something Brother ought to correct. By the way, I didn't put tape over the holes as others have suggested since I don't want any complications from that, although may do so the next time around. As an additional note, unless Amazon has fixed the problem, ignore some of their drop down menus when selecting the right cartridge for the right Brother unit. They say the TN 450 isn't correct for a Brother HL2270DW when in fact it is.
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Tracked by 1 customer

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Showing 1-8 of 8 posts in this discussion
Initial post: Mar 16, 2011 2:36:21 AM PDT
JT says:
Unfortunately, the tape trick doesn't work on these cartridges.

Posted on Mar 29, 2011 12:16:24 AM PDT
Last edited by the author on Mar 29, 2011 12:16:55 AM PDT
user says:
What's "the "carona wire""?
And how do you "run it back and forth"?

In reply to an earlier post on Mar 29, 2011 5:35:04 AM PDT
Road Warrior says:
The "carona wire" was a complete mystery to me, too. I saw a reference to it in the printer's manual and finally figured it out: if you have a new cartridge, or if you pull out the existing cartridge, you will see a green tab at the back left side of the cartridge with an arrow that points to an arrow adjacent to it. With a modest amount of force, you can slide the green tab to the right. Once it's moveable, just slide it back and forth a couple of times, the full length of the cartridge, and then return it to the original position on the left where it will lock back into place. It might also be useful to shake the cartridge a few times to assure an equal distribution of the toner. I'm now up to 1200 additional copies since I got the warning that the toner was low and I needed to replace the cartridge. In other words, I'm approaching an equal number of copies as I had gotten when I got the first "toner low" message so am essentially doubling the cartridge's output. I ignore the periodic and annoying "toner low" messages and am watching for signs of the print quality getting weak and/or streaks on the pages, but no signs of that so far. Go figure.

Posted on Apr 25, 2011 5:03:21 PM PDT
tjb says:
Put tape over what holes and what kind of tape.

In reply to an earlier post on Apr 26, 2011 11:49:24 AM PDT
The doctor says:
I'm not sure about whether this cartridge has them but in the TN350 cartridge there is a clear "lens" on each side of the cartridge which I believe is used by certain printers to determine whether toner is low. Covering the "lenses" with black or dark tape is supposed to fool the printer into thinking that the toner is not empty and will continue to work. Any sort of black tape should work - like electricians tape. It is fiddly to do it on the TN350....

FWIW there is a fairly detailed post about it in the reviews for the TN350 cartridge - it used to appear at the top of the reviews

In reply to an earlier post on Jan 13, 2014 7:19:08 AM PST
Grumbler says:
its amazing how much easier things go when you read the manual. isn't it.

In reply to an earlier post on Jan 13, 2014 7:19:47 AM PST
Grumbler says:
dude stop typing and start reading. you cant miss it...

In reply to an earlier post on Jan 13, 2014 7:20:34 AM PST
Grumbler says:
the 450 requires you to remove two screws and reset a gear vs the tape method on the 350. search engines are your friend. use them.
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