Справочник Пользователя для Samsung CLP-550N

S

OLVING

 P

ROBLEMS

7.23

If black vertical streaks appear on the page:
• The imaging unit inside the printer has probably been 

scratched. Install a new imaging unit. 

If white vertical lines appear on the page:
• The Laser Scanner window has probably been contaminated. 

Clean the Laser Scanner window. Holding the end of the 
cleaner, slide it in and out several times. See “Cleaning the 
LSU Inside the Printer” on page 6.30.

If the amount of background shading becomes unacceptable, 
the procedures below may fix the problem.
• Change to lighter weight pages. See “Paper Specifications” on 

• 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 imaging unit and install a new one. See 

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

• Check the paper type and quality. See “Paper Specifications” 

• Remove the transfer belt and install a new one. See “Replacing 

If marks repeatedly appear on the printed side of the page at 
even intervals:
• Clean the inside of the printer. See “Cleaning the Inside of the 

Printer” on page 6.31. After cleaning the inside of the printer, 
if you still have the same problems, install a new toner 
cartridge of the defected color. See “Replacing the Toner 
Cartridges” on page 6.8.

• 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.

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