Description of Problem 100000001862
Why do vertical black lines appear on the printed page?Description of Solution 200000002407
Check the following:
1. You may clear the problem by cleaning the primary corona wire inside the drum unit by sliding the blue tab. Make sure to
return the blue tab to the Home position on the left end of the DR-600.
2. The drum unit may be damaged. Try wiping the Green (or Dark brown) image drum (roller) with a soft cloth. If the problem persists then replace the DR-600 drum unit.
3. The toner cartridge may be damaged. Replace it with a new TN-670 toner cartridge.
4. The fuser unit may be damaged and require service.
Brother strongly recommends that customers use only genuine Brother drumunits and/or toner cartridges. Each Brother laser printer is designed towork at pre-set temperatures that are matched exactly to each of our individual toner formulations. Each individual component is designed towork with the other to ensure quality and reliability. Using non-Brothersupplies 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 ortoner.
If the printer is in warranty, call Brother Customer Service at 1-877-BROTHER (877-276-8437) for warranty options.
If the printer is out of warranty, contact a Brother Authorized Service Center for repair by clicking on the link below: