Samsung SCX-3405FW User Manual (user Manual) (ver.1.0) (English) - Page 82

Cleaning the machine 5 Cleaning the inside During the printing process, paper, toner, and dust particles can accumulate inside the machine. This buildup can cause print quality problems, such as toner specks or smearing. Cleaning the inside of the machine clears and reduces these problems. • To prevent damage to the toner cartridge, do not expose it to light for more than a few minutes. Cover it with a piece of paper, if necessary. • Do not touch the green area of the toner cartridge. Use the handle on the cartridge to avoid touching this area. • Use a dry lint free cloth when cleaning the inside of the machine, be careful not to damage the transfer roller or any other inside parts. Do not use solvents such as benzene or thinner. Printing quality problems can occur and cause damage to the machine. • Use a dry lint-free cloth to clean the machine. • Turn the machine off and unplug the power cord. Wait for the machine to cool down. If your machine has a power switch, turn the power switch off before cleaning the machine. • Illustrations on this user's guide may differ from your machine depending on its options or models. Check your machine type (see "Front view" on page 21). • When opening a scan unit, hold the document feeder and scan unit together. 3. Maintenance 82