Example: The drum unit of color laser model MFC-9840CDW (four colors): How to use the toner cartridge and the drum unit: To use the consumables, put the toner cartridge into the drum unit. Example 2: The case to put the toner cartridges into the drum unit for color laser model MFC-9840CDW: If the toner runs out or the toner cartridge/drum unit ...

2. Remove the toner and drum assembly from the machine. 3. Push down the green lock lever and take the toner out of the drum. 4. Unpack the new drum unit. 5. Insert the toner in the drum. Make sure you put the toner cartridge in correctly or it may separate from the drum unit. 6. Slide the green tab from left to right several times to clean the ...

5. Unpack the new drum unit and remove the protective cover. 6. Reinsert the toner cartridge firmly into the new drum unit until you hear it lock into place. Make sure you put the toner cartridge in correctly or it may separate from the drum unit. 7. Clean the corona wire inside the drum unit by gently sliding the green tab from left to right ...

5. Unpack the new drum unit and pull off the protective cover. WARNING: Wait to unpack a drum unit until immediately before you put it in the printer. Exposure to direct sunlight or room light may damage the drum unit. 6. Put the toner cartridge firmly …

Clean the 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.

If the message continues to appear, the drum unit should be replaced with a new DR360. The drum is a consumable item that requires periodic replacement. 4. If the problem continues after replacing the drum unit, your Brother machine will require service. Your machine has a one-year limited exchange warranty.

h. Turn the drum unit over. Clean the primary corona wire inside the drum unit by gently sliding the green tab located the top of the drum unit, from left to right several times. Return the green tab to the home position before reinstalling the drum unit assembly. 3. Reinstall the toner into the drum (be sure it clicks into place).

NOTE: If Reset Parts Life is not an option, this means 'Replace Drum' or 'Drum Stop' is not on currently displayed on the LCD. The option is only available when machine has the 'Replace Drum' or 'Drum Stop' message. 3. Press the UP OR DOWN ARROW key to select Drum Unit. Press OK. 4. Press the UP ARROW key to reset the drum unit counter. 5.

Make sure that the drum unit gear is on the left side. 5. Turn the drum unit gear toward you by hand and look for any marks or material on the drum surface. Turning the drum gear will ensure you inspect the entire drum surface. 6. When you find the suspected area on the drum, wipe it gently with a dry cotton swab until the mark on the surface ...

5. Put the toner cartridge firmly into the new drum unit until you hear it lock into place. If you put it in properly, the green lock lever will lift automatically. 6. Put the drum unit and toner cartridge assembly back in the machine. Do not close the front cover yet. When you replace the drum unit with a new one, you need to reset the drum ...