Yes, these Brother toners do only count the number of pages printed to determine the amount of toner left. When one of the CMY color runs out, they all run out at the same time. Even though the printer may say its completely out of toner, that might not be the case always. To reset the toner (if you know there's ample amount of toner still left), unscrew the two screws on the side, pop off the side cover, and turn the gray gear wheal counterclockwise 90 degrees.
www.uni-kit.com/pdf/tonerrefillinstructions.pdf
Overall, these toners are fantastic. Highly recommend. Brother TN-115C High Yield Cyan Toner Cartridge Compatible with Brother HL-4040CN, HL-4070CDW Series
Brother color printers are set to 'run out' of toner after a set number of color pages printed. So there is often plenty of toner left in the cartridge.
To reset the 9440cn printer, turn the printer on and open the toner access main door. You get a 'door open' message on the LCD. Press Clear/Back and you get the toner reset menu. You can then reset the carts by hand using the up/down arrows and the 1 key to select reset.
At the end the printer will report all the carts as full. You can then replace them when they are empty, not when it suits the planned obsolescence dept.
These toners are easy to install. One thing though, after the first warning of these toners being low I take them out and check the little round window to see if there is still toner. If there is, I wind back the gear with a peg on it back to its original position. I recently did this with all three colors as it was reported they were going low. After winding back the gears, the printer performed perfectly for another month with a moderate amount of color printing. Finally, the low toner warnings went off again and since there appeared no more toner, I installed new ones. I have a closet full of these consumables and look forward to many great years printing with these printers. (We have 6 of them)
*EDIT 12/20/10*
We've 3 more of these printers now. Here is something important you should know along with the above information:
Hidden Menus
**Toner Reset Menu - Open front door of printer. Press the 'clear' button once or twice. There are two capacities for each color. It will start counting down from whichever you choose.
**Everything Else Reset Menu - Press '3' and '9' at the same time. Hidden reset menu will appear. Select item, select reset.
We purchased a four-pack of the TN115 high yield cartridges. Thinking to save some money, we bought them through amazon's [...] partnership. When we put them in to our printer, we were a little disappointed, but lived with the poor ink quality for about a year. We finally got fed up and ordered the real Brother cartridges... what a difference!
The colors were quite faded and greyed in the compatible cartridges, compared to the Brother cartridges.
I wish we'd ordered replacements earlier. Since we lived with it for so long we're not eligible for any type of refund or exchange...
This cartridge lasted exactly one month for our office. We print about 100 color pages a day, 5 days a week. Figure it lasted only 2000 pages or so. The original toner that came with the printer lasted longer. Odd.
We have to buy toner if we are to print images on our copiers. This toner came promptly, was in good shape, installed easily and makes good images. The price was competitive. With Amazon Prime, shipping was free and quick.
Product as advertised. Easy installation. So far so good since it's only my first toner replacement. Although pricier than generic, well worth the extras since Amazon has the best pricing as compared to other online competitors and free shipping. Highly recommend it for your replacement.
Brother Laser Cyan was defective. Caused a "blue stripe" down the middle of the printed pg. However, mfgr/distributor of product was proactive and expedient in taking care of issue; and replacing the defective unit. - Color Laser Printer - Laser Printer Ink - Laser Printer - Toner'
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