Question about Brother MFC 7840W Printer

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AFTER REPLACING THE PRINTER CARTRIDGE I CANNOT GET THE MESSAGE ON THE SCREEN THAT SAYS " REPLACE CARTRIDGE SOON" TO GO AWAY. I HAVE TAKEN THE CARTRIDGE OUT AND REINSERTED IT AND HAVE TURNED THE POWER OFF AND ON.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

Smooth_Gecko
  • 125 Answers

SOURCE: error message "no cartridge" won't go away on my brother mfc 420cn printer

There is good reasons they don't let you run it out. One, it will dry out and block the printer head. Two, a soon as the head runs dry, it is wrecked anyway. Either way, you would be up for another big bill. Try leaving it turned on while you replace the cartridge, when you close the cover it has to ask you if you changed "whatever colour" cartridge?. You must say yes here to reset ink counter. Sometimes it takes a few goes. Refilling can be a hit and miss affair untill you get a lot of practise! Who needs that. Refilled cartridges are available cheap. Buy a set and just change them one at a time as it complains about them. To cut down on usage, shut the printer down properly at night. If you just unplug it, it cannot cap the cartridges and your ink will dip out.

Posted on Sep 01, 2007

sir fixalot
  • 146 Answers

SOURCE: MFC-9420 Replace OPC Belt message stays on after replacing belt

As far as the OPC belt - don't replace it until you start seeing ghosts and image defects! Reset it by:

Press 1 and 7 at the same time
Press 1 to reset the life counter.

Posted on Jan 03, 2008

  • 1 Answer

SOURCE: Printer ghosting(?) after replacing toner cartridge/drum assembly

If you have tried a new drum unit (DR-2025) without success, you will most likely find that the ghosting is caused by a worn roller in the fuser unit.

A brother service centre would be able to replace the roller or the entire fuser for you, but it may be expensive. Compare prices on a new replacement machine - brother MFC-7340.

Posted on Mar 12, 2009

wheatlandsvc
  • 1110 Answers

SOURCE: is the "change drum soon" message instructing to

This indicator is for the drum unit, not the toner cartridge. The drum unit is the assermbly that the toner cartridge is inserted into when being replaced. The drum unit is replaced about every 18,000 pages so after about 5 to 10 toners have been replaced.
Here is a picture of the drum unit.

268d863.jpg

Posted on Oct 28, 2010

  • 492 Answers

SOURCE: printer message says may need to replace drum

The drum is a metal drum that takes an electrostatic charge to attract the toner particles. Sometimes the drum can be cleaned. Taking it apart isn't easy. Sorry I don't have a better answer for you.

Posted on Mar 21, 2011

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