Samsung M202x Benutzerhandbuch

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Printing quality problems
171
5.  Troubleshooting
Vertical lines
If black vertical streaks appear on the page:
The surface (drum part) of the toner cartridge inside the machine has probably been scratched. Remove the toner cartridge and 
install a new one (see "Replacing the toner cartridge" on page 44).
If white vertical streaks appear on the page:
The surface of the LSU part inside the machine may be dirty. Clean the inside of your machine (see "Cleaning the machine" on page 
46). If these steps 
do not correct the problem, contact a service representative.
Black background
If the amount of background shading becomes unacceptable:
Change to a lighter weight paper.
Check the environmental conditions: very dry conditions or a high level of humidity (higher than 80% RH) can increase the amount 
of background shading.
Remove the old toner cartridge and install a new one (see "Replacing the toner cartridge" on page 44).
Toner smear
Check the paper type and quality.
Remove the toner cartridge and install a new one (see "Replacing the toner cartridge" on page 44).
Condition
Suggested Solutions