Brother MFC 7840W Printer Logo
Posted on Jan 30, 2010
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Drum error. dont have user guide. how do i troubleshoot? tried replacing drum but still says drum error.

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  • Master 2,306 Answers
  • Posted on Jan 30, 2010
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Joined: May 12, 2009
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If the drum is used up you open the front door and press menu or options and tell it it's a new drum, otherwise you clean the metal contacts on the sides of the drum and inside the printer, and run the blue tab back and forth about 20 times. If still drum error you may have a bad power supply.

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  • Posted on Jul 17, 2013
Hazielsan
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Try this, at least works for me all the times until drum is gone. Disconnect printer, take to a place where dust won't be a problem. Remove drum unit, remove toner unit. Remove paper tray. Spray compressed air in all parts of the drum (all parts. Very important). Do the same with toner unit. Do the same inside printer. Be sure everything inside is cleaned. Note the dust is toxic, wear mask. Put all together, reset display message (open front door, go to options, follow questions. You "replaced drum").
If there is life left on drum it will work. If not, install new drum (but clean machine first).

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  • Posted on Mar 06, 2013
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Can you please upload pictures of the printer and the drum because im having the same problem and i already bought a new drum but it still says drum error

2 Related Answers

Anonymous

  • 2306 Answers
  • Posted on Dec 30, 2009

SOURCE: drum error

With that error you need to remove the drum, run the little blue tab on top back and forth about 20 times, blow out the area below the blue tab, and re install and try printing again. If the error is drum life end you need to open the front door and press either menu or options, sometimes the clear/back button and tell it it's a new drum.

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Bhupendra Singh

  • 56 Answers
  • Posted on Apr 19, 2011

SOURCE: Drum Error - see routine

to solve the problem download the user guide from here

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Drum Error - see routine maintenance chapter in user guide. Do not have user guide

I tried everything and then decided to slightly change the above instructions to:


Open the front cover
press Clear/Back
Replace New Drum - select "Yes"
after the screen will show "accepted"
close the front cover and you are good to go



and WA LA it worked!!

0helpful
1answer

I have this problem too ("drum error see troubleshooting and routine maintenance in user's guide. I have tried everything recommended, cleaned the corona wire, cleaned the drum . . . I need help!

if you have consciously attempted the procedure suggested on the maintenance guide and you still have that error you may have to contemplate the possibility of replacing the drum.

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Drum error

With that error you need to remove the drum, run the little blue tab on top back and forth about 20 times, blow out the area below the blue tab, and re install and try printing again. If the error is drum life end you need to open the front door and press either menu or options, sometimes the clear/back button and tell it it's a new drum.
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Brother 4070 CDW Drum Unit Error

The green tabs that you have to slide are under the color cartridges, so remove the three color cartridges and you will see three green tabs, to slide the tab across the wire you have to first open the translucent plastic wire cover, then slide the green tab across the wires and return it to it's original position, close the wire covers, replace the color cartridges, and reassemble the printer. All the Best
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Toner cartridge needs replacing in brother hl-20

if you want to replace your toner,
First you just need to open your front cover and pull out the toner and drum.
after that, push down the blue buttom on drum and pull out the toner. Then replace the new toner into the drum.
finally, just push back the drum and toner back into the printer.
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