Slow Printing & Toner Usage

Dell 2150cn/cdn Color Laser Printer has several issues:

1. Dark line printing on edge of the pages
2. Black toner cartridge is lasting only 1 week
3. Regularly displays 'Reset Black Drum'

Previous Solutions:

• The drum kit for black has been replaced
• The waste container has been replaced when necessary
• Cleaned up excess toner spills