Vertical black line and band — Printing quality issue

¿Qué significa Vertical black line ?

Printed pages show vertical black lines or bands. This indicates a problem with the toner cartridge, the Laser Scanning Unit (LSU), or the drum unit.

• Toner cartridge blade is faulty or damaged
• LSU (Laser Scanning Unit) malfunction
• Drum cartridge cleaning blade is faulty

Haga clic en los pasos para seguir su progreso.

1. 1

   Replace the toner cartridge with a new one.

2. 2

   Ensure the drum cartridge is properly installed and clean.

3. 3

   If the problem persists, the drum cartridge may need to be replaced.