Samsung ML-4050ND manual The long strip of glass is hard to locate

2Open the top cover and pull the toner cartridge out. Set it on a clean flat surface.

4Gently swab the long strip of glass (LSU) inside the top of the cartridge cavity and check for dirt or dust.

Caution

• 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 surface underside of the toner cartridge. Use the handle on the cartridge to avoid touching this area.

3With a dry lint-free cloth, wipe away any dust and spilled toner from the toner cartridge area and the toner cartridge cavity.

Note

• The long strip of glass is hard to locate.

5Locate the PTL lens by flipping up the guide feed and gently swab the lens with the pointed white cotton.

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1 PTL lens

6 Reinsert the toner cartridge and close the top cover. 7 Plug in the power cord and turn the printer on.

Caution

• While cleaning the inside of the printer, be careful not to touch the transfer roller, located underneath the toner cartridge. Oil from your fingers can cause print quality problems.

8.2 <Maintenance>