Samsung ML-4551ND, ML-4550 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.

1

1 PTL lens

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>