Canon MF55DD Series, Basic Manual

Page: 118 / 136

Print Quality Problems 9-16
T
roub
leshooting
9
Print Quality Problems
The 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 "Print Media Requirements," on p. 2-1.)
Q Is the cartridge installed correctly?
A Make sure the cartridge is installed correctly. (See "Install the cartridge," in the
Set-Up Sheet .)
Q Is any toner left in the cartridge?
A See "When to Replace the Cartridge," on p. 8-4, and replace the cartridge if
necessary. (See "Replacing the Cartridge," on p. 8-14.)
Q Is the exposure adjusted correctly?
A Adjust the exposure correctly using [Exposure]. (See "Adjusting the Exposure
(Density)," on p. 5-9.)
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. 8-2.)
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. 8-14.)
Q Is the machine adjusted to room temperature? If not, condensation might build
up inside the machine.
A Allow at least 2 hours for the machine to adjust to room temperature before
attempting to use it.