Description of Problem 100000020537
How do I clear black vertical lines that appear on received faxes, internal
prints and documents printed from the computer?Description of Solution 200000025955
strongly recommends that customers use only genuine Brother drum units and/or
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-Brother supplies may affect the
hardware performance, print quality and machine reliability. The Brother limited
warranty does not apply to any problem that is caused by the use of third party
drum units, toner cartridges or toner.
Print the Help list by pressing the REPORTS key and then 1 on the
- If black vertical
lines/streaks appear on the Help list, continue to STEP 2.
Unplug the power cord from the Brother machine.
the front cover and remove the drum and toner assembly.
4. Place the
assembly on a drop cloth or large piece of disposable paper to avoid spilling
and scattering the toner.
5. Hold down the
lock lever on the right and pull the toner cartridge out of the drum.
the toner cartridge carefully. If toner scatters on your hands or clothes,
immediately wipe it off or wash it with cold water.
6. Inside the drum unit there is a roller. To remove any
excess toner from the roller lightly dampen a cotton swab with isopropyl
(rubbing) alcohol and gently clean the toner or debris from the roller. You may
turn this roller by moving the black/white gear on the far left side.
the drum surface completely dry before you reset the toner back into the
7. Install the
toner into the drum unit until it clicks into place.
8. Gently rock the
drum and toner cartridge from side to side five or six times to distribute any
remaining toner evenly inside the cartridge.
9. Clean the
primary corona wire inside the drum unit by gently sliding the blue tab from
right to left several times. Return the blue tab to the home position before
reinstalling the drum unit assembly.
10. Place the drum
and toner assembly back into the Brother machine.
11. Close the front
12. Plug the power
cord back into the machine.
Test the print quality by printing the Help List. Press the REPORTS
key located on the control panel and then press 1 (Help List) on the dial
black vertical lines do not appear on the Help List the issue is
black vertical lines continue to appear on the Help List the drum (DR400) will
need to be replaced.
you find that your retailer does not carry the specific supplies and accessories
you are looking for you can purchase them by calling our toll free Accessory
Line on 1-877-552-MALL (6255) or shop on-line at our website at http://www.brothermall.com.