Buy 3+ Price: $1.85 This gear is only needed if you are refilling STARTER. cartridges for the Brother TN-221 / TN-225, since the starter cartridges don't always have this reset gear installed. The printer displays a 'toner life end' message if no reset gear is detected.

• How To Install Reset Outlets

A reset gear must be installed on any used TN-221 / TN-225 starter cartridge (any color) in order for the printer to function properly once the cartridge has been refilled and re-installed in the printer. A starter cartridge is the cartridge that ships free with your printer. If you purchase the cartridge separatley, you will not require this gear. Each kit contains: 1 reset gear + instructions for assembly (easy to do!) Compatible Printers: -Compatible Cartridges: -. Brand names, logos and trademarks are used for descriptive purposes only and remain the property of their respective owners. Their use by us does not imply endorsement by or association with the brand name owners. Our ink and toner cartridges are either professionally remanufactured or compatible cartridges made and tested to work perfectly in your inkjet printer or laser toner printer.

We offer our customers substantial savings over buying original inkjet cartridges and laser toner cartridges, with savings often up to 85% off the OEM cartridge cost. We also offer our customers alternative options - you can buy remanufactured cartridges or compatible cartridges, or you can refill your own cartridges with our inkjet and toner refill kits.

Dec 29, 2012 How to refill brother tn450 tn-450 instructions reset gear brother tn420 tn-420 Follow 0 How to refill brother tn450 tn-450 instructions reset gear brother.

I would love to try this but my printer has no keyboard to press 00. IT is a copy scanner only black and white only. Model DCP7065DN using TN450 toner. Starter toner exhausted and replaced with aftermarket toner. It appears to have the gears in which you guys refer. However, they annoying low toner messages show on computer and printer screen constantly.

Given this is supposed to be an OEM replacement, I would figure that the new toner would reset the messages. I have tried all the methods mentioned here and the message still doesnt clear. Help - MrReel.

How To Install Reset Outlets

Sorry, but I have not seen that particular cartridge, so I cannot offer anything else. I haven't seen anything else in the refilling literature for low toner sensing so I have to believe that this cartridge still uses an optical eye. I just looked at a tn215 which is similar and did see the 'eye'. Very hard to detect but one hint I have is to look on the gear side of the cartridge.

Radioshack joystick driver. There is a small round hole on the cover that corresponds with the 'eye'. All I can offer is to take another look.

This window is very small so perhaps you are just missing it. I haven't seen this toner cartridge either. But i think the reason you couldn't find the 'sensors' is because there's no 'sensors' on the toner cartridge itself! The sensor (yes, only one sensor) is located on the inside walls (left and right hand sides) of the machine.

One side has the LED and the other side the 'optical sensor'. Light from the LED is shone through the 2 'windows' located near the bottom of the toner cartridge. If the optical sensor at the other side can see light, the cartridge is near empty. So you are looking for 2 clear round windows on the toner cartridge. And you only need to cover one of the 2 windows, not both, as many posting had suggested. And also you need to reset the flag gear too for it to work. Alright becuase this could go on forever.

I looked in the MFC7460 service manual which uses the TN 450. These models do not use the conventinal toner sensor like other models. The toner level is detected through dot count detection and the number of revolutions of the developer roller. To extend the life of the toner set the machine to Continue Mode which will run the toner to its highest level deveoper revolution count at which the toner will stop to prevent leakage. Print quality can decline if you are using a high level of coverage. They do have the sensor flag for new toner detection.

Dont know why the switched but Im guessing they are trying a different technology that might make it harder for people to refill cartridges or they might finally be sick of people constantly complaining at them about there toners not being empty when the cartridge calls for a new toner or third to lower the cost of making the machine, eleminate a part not needed. And it still goes on.

Really I guess if it was my machine I would put it in continue mode till it told me the toner was out then try and reset the flag and see if it works and run it till the print quality started to decline. From what I read it sounds like if set to continue it will run till the next revolution count expires and you could keep doing so. Just it probably would get to the point sometime in the second cycle that you would be running a truely empty cart and nothing would be coming out. I've never tried this though. No one knew the answer to your original question so I looked the answer up and gave it to you. Never had the opportunity to try this theory.

Probably never will either. Wait till it runs out try it and post your results maybe you can help some one in the future. If keeping your machine up and running so you dont loose faxes is important than I diffenently would invest in a new cart at this point for backup. Developer revolution count most likely refers to the number of rotations the developer mag roller, black roller you see on the outside of the toner, has turned. Like drums the rollers and cleaning blades inside the toner have duty cycles at which point they should be replaced. If you dont then they start to leak and print quality will decline. To answer your next question I dont know the exact number at which it stops and for future questions please ask the rest of the board becuase I'm not going to explain how everthing works.

I think I've helped enough at this point. After 491 printed pages my printer decided it was time to replace the toner cartridge.

I decided to try the refill route, so took out the starter cartridge and discovered it had no reset gear. Reading this forum, the post by 'BrotherUser' showed how to switch the 'Replace Toner' response from 'Stop' to 'Continue'. This worked, but now I wonder whether I even need to get and install a reset gear. If I refill the cartridge when the printing starts getting iffy, does the reset Stop/Continue command do the same thing internally?