9-14Troubleshooting9Print Quality ProblemsThe print quality is not what you expect; print is not clear, has missing dots or white streaks.Q Are the size, thickness and type of the paper you are using within the specifications of the machine?A Check that the paper you are using is supported by the specifications of the machine. (See "PrintMedia Requirements," on p. 2-1.)Q Is the cartridge installed correctly?A Make sure the cartridge is installed correctly. (See "Install cartridge," in the Set-Up Sheet.)Q Is any toner left in the cartridge?A See "When to Replace the Cartridge," on p. 8-3, and replace the cartridge if necessary. (See"Replacing the Cartridge," on p. 8-6.)Q Is the exposure adjusted correctly?A Adjust the exposure correctly using [Exposure]. (See "Adjusting the Exposure (Density)," on p. 5-3.)Copies are dirty.Q Is the platen glass or the platen glass cover clean?A Clean the platen glass or the platen glass cover. (See "Cleaning the Scanning Area," on p. 8-1.)Q Is the cartridge free of damage?A If there is a scratch on the cartridge, replace with a new one. (See "Replacing the Cartridge," on p.8-6.)Q Is the machine adjusted to room temperature? If not, condensation might build up inside themachine.A Allow at least 2 hours for the machine to adjust to room temperature before attempting to use it.Q Is the machine installed in a stable location?A Install the machine in a proper location. (See Chapter 1, "Safety Instructions," in the QuickReference Guide.)