Question about Brother MFC 7420 All-In-One Laser Printer
I refilling toner cartridge how to reset ?
Not sure about your model, but it is nearly always in the menu accessed through a button on the machine. The MFC 7420 does it this way:
Switch printer on
Open front cover
Then enter "*00"
Should then see message saying toner counter reset
Posted on Nov 10, 2013
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Posted on Jan 02, 2017
1) Turn off printer
2)Turn back on
3) Remove Drum and Toner.
4)Press Go for 1 second(it appears to do nothing)
5)Put Drum and Toner back in.
6)Press Go for 1 second(it appears to do nothing)
Posted on Jul 05, 2008
SOURCE: Brother laser cartridge refills
OK.. I agree that your problem is with the flag gear. However, there is a specific location in which it needs to be situated. The purpose of the flag gear is to trip a reset actuator on the left side of the printer. The correct position of the flag gear needs to be set so the reset actuator is depressed 3/4 of the way AND where the flag gear moves out of the way once this is done. If the flag gear is moved all the way forward, you run a risk of the gear mechanism inside not rotating it out of the way...which could leave you with a 'no cartridge installed' message. When the manufacturer of the toner cartridge made this unit, they decided to put a mark on the side to, evidently, let the assembly team know where to set the flag gear. Great for us :) On the outside plastic piece that you have to remove to get to the flag gear, you will see a diagonal line and a view window. When you rotate the flag gear, you will eventually see a portion of the white gear in that view window. Line up the white gear portion with the bottom of the diagonal line (typically two gear teeth), and you're done. Assemble and run!
Posted on Aug 01, 2008
never ver use refil toner on brother products. to answere your first question 1 open the front cover 2 push menue button scroll down to machine info press set buton 3 scroll down to drun lif - push set
Posted on Jan 16, 2009
Just cover the eyes (on both sides) that you can see in the bottom of the machine after removing the imaging cartrige with a small piece of electrical tape.
With printer switched on push the switch which is located inside the upper left side of printer (it is a small white switch) and then release it.
Also try resetting the gear, take the cartridge out. On the gear side take off 2 screws, the black gear on top right side, with a small spring underneath. Just take it off and reset it (rotate clockwise) so it is not at the stopping point.
Please do accept this solution and revert for further assistance.
Posted on Apr 20, 2009
Is the printer still asking for a new toner..?
If it is the there is a gear that can be reset on the toner cartridge to tell the machine its a new toner cartridge. This is normally done by an engineer, but is quite easy to do if you know how. And I do :0
Posted on Mar 07, 2010
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