CompTIA A+ 220-901

Answer: A - If a laser printer is outputting documents that are faint and hard to read, the toner likely needs to be replaced.

Key Takeaway: Laser printers do not use ink, but rather use toner, which is fused onto paper by a process using the laser and the fuser. Although fusers and rollers are consumable (meaning they are items that can be replaced on the laser printer), they would not be the likely cause of faint or light documents.