4 FX-9 Black Canon 104 High Yield Toner Refill Kits for Canon MF-4120 MF-4140 MF-4150 MF-4690 Printers Review

Average Reviews:

(More customer reviews)Value is definitely 5 stars.What you receive for the price with this kit is outstanding.The only reason I gave this kit 4 stars vs. 5 is because the directions recommend cutting a 1" x 1" square as a refill hole.This is done by heating up the end of a (preferably old) utility knife with a lighter and then cutting the hole by melting your way through the plastic.It's quite easy actually.What I did was to cut out a 1" x 1" square of a label and stick it in place and then cut around it with my utility knife.

Now here is where my rating drops from 5 stars to 4 stars: I would STRONGLY recommend rather than the suggested 1" x 1" square hole, cutting a 3/4" by 3/4" square hole instead.Unfortunately cutting 1" x 1" leaves too little room to tape over the hole when you're done, making it possible for toner to escape no matter how much tape you use.This should not be a problem once the cartridge is back in the printer if one tapes it up enough, but shaking lightly side to side to distribute the toner, I could see some toner was escaping even though I used a LOT of tape.With a 3/4" by 3/4" square this would not be an issue.It would require being more careful when pouring in the toner, but that's not a big deal in my opinion.

To make this kit even better (and close to foolproof) I would suggest that Laser Tek include 3/4" by 3/4" plastic stick-ons that one could cut around, as well as a plug to use rather than tape once the cartridge is filled.Tape could be used over the plug as secondary containment.

All in all a great kit for a great price, but again, cut your square 3/4" by 3/4" rather than 1" by 1" to give yourself plenty of space around all sides of the square to affix the tape securely when you're done.

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Product Description:
Toner designed to be used with the following Printers & Cartridges:Canon 104 Canon FX-9 Canon FX-10 Canon ImageClass 4120 Canon ImageClass 4140 Canon ImageClass 4150 Canon ImageClass 4690 Canon Fax L100 Canon Faxphone L120 Canon ImageClass MF-4120 Canon ImageClass MF-4140 Canon ImageClass MF-4150 Canon ImageClass MF-4690