Samsung ML-2010 Series Manual De Usuario

S

OLVING

 P

ROBLEMS

5.13

If black vertical streaks appear on the page:
• The drum inside the toner cartridge has probably been 

scratched. Install a new toner cartridge. 

If white vertical streaks appear on the page:
• The surface of the LSU part inside the machine may be 

dirty. Clean the LSU. See “Cleaning the Inside” on 

page 4.6. Contact your service representative.

If the amount of background shading becomes 

unacceptable, the procedures below may fix the problem.
• Change to a lighter weight pages. See “Paper 

• Check the printer’s environment; very dry (low humidity) 

or high humidity (higher than 80% RH) conditions can 

increase the amount of background shading.

• Remove the old toner cartridge and install a new one. See 

• Clean the inside of the printer. See “Cleaning the Inside” 

• Check the paper type and quality. See “Paper 

• Remove the toner cartridge and install a new one. See 

If marks repeatedly appear on the printed side of the page 

at even intervals:
• The toner cartridge may be damaged. Clean the inside of 

the printer. See “Cleaning the Inside” on page 4.6. After 

cleaning the inside of the printer, if you still have the same 

problems, install a new toner cartridge. See “Installing the 

• Parts of the printer may have toner on them. If the defects 

occur on the back of the page, the problem will likely 

correct itself after a few more pages.

• The fusing assembly may be damaged. Contact a service 

representative.