Question about Brother HL-4070CDW Printer
Our Brother 4070 printer continues to show the error message that the black toner cartridge is at the end of its life. We replaced the cartridge twice with new (not refilled) cartridges, put black tape over what I thought might be a sensor window/hole, and reinstalled the printer. Nothing worked.
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
3) shut off the printer while leaving the printer lid open.
4) reinstall the ink cartridge when prompted on the display.
Um, you could be waiting a very long time for the display to prompt you with the printer turned off. Perhaps there needs to be a step 3a) turn printer on ?
Posted on Jun 12, 2012
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Posted on Jan 02, 2017
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