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Description of Problem 100000033112
How do I clear the message DRUM ERROR from the display?
Description of Solution 200000042440

The message DRUM ERROR will typically appear when the corona wire on the drum unit needs to be cleaned or when the drum unit needs to be replaced.


If you replaced the drum and the message appeared or continued to appear immediately after installing the replacement drum, go to solution Why does DRUM ERROR appear or continue to appear after replacing the drum?


1.    Clean the primary corona wire inside the drum unit.


a.    Open the front cover and remove the drum and toner assembly.  Be sure to place the drum and toner assembly on a piece of paper in case of spilled or scattered toner.



b.    Gently slide the blue tab from side to side at least 5 to 6 times.


c.    Return the blue tab to the home position at the far right.


d.    Make sure the blue tab snaps into the home position before putting the drum and toner assembly back into the machine.  If the blue tab is not securely returned to the home position, printed pages may have a vertical stripe down the page.



e.    Reinstall the drum and toner assembly into the machine and close the front cover.


2.    Confirm if you are using a genuine Brother toner and drum.


Brother strongly recommends customers use only genuine Brother drum units and toner cartridges.  Each Brother laser printer is designed to work at pre-set temperatures that are matched exactly to each of our individual toner formulations.  Each individual component is designed to work with the other to ensure quality and reliability. 


Using non-genuine Brother supplies may affect the hardware performance, print quality and machine reliability.  The Brother limited warranty does not apply to any issue caused by the use of third party drum units, toner cartridges and toner.


If the message continues to appear, the drum unit should be replaced with a new DR350.  The drum is a consumable item that requires periodic replacement.


If you find your local retailer does not carry the specific supplies and accessories you are looking to buy, you can purchase them by calling our toll-free Accessory Line on 1-877-552-MALL (6255) or shop online at our website


-      If the issue continues after replacing the drum unit and your machine is within warranty, you can locate a Brother Authorized Service Center (ASC) in your area by clicking on the following link:


Or you can contact Brother Customer Service by calling 1-877-BROTHER (1-877-276-8437) Monday through Friday, excluding holidays.


-      If your machine is out of warranty, you can locate a Brother Authorized Service Center using the information listed above.

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