Samsung Networked Color Multifunction Printer Manual De Usuario

11.8   

<Troubleshooting>

White spots appears on the page:
• The paper is too rough and a lot of dirt from 

a paper falls to the inner devices within the 
machine, so the transfer roller may be dirty. 
Clean the inside of your machine. See page 
10.2. Contact a service representative.

• The paper path may need cleaning. Contact 

a service representative.

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

probably been scratched. Remove the toner 
cartridge and install a new one. See page 
10.5.

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

machine may be dirty. Clean the LSU. See 
page 10.2.

If the amount of background shading becomes 
unacceptable:
• Change to a lighter weight paper. See page 

5.1.

• Check the machine’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 page 10.5.

• Clean the inside of the machine. See page 

• Check the paper type and quality. See page 

5.1.

• Remove the toner cartridge and install a 

new one. See page 10.5.

If marks repeatedly appear on the printed side 
of the page at even intervals:
• The toner cartridge may be damaged. If a 

repetitive mark occurs on the page, print a 
cleaning sheet several times to clean the 
cartridge; see page 10.4. After the printout, 
if you still have the same problems, remove 
the toner cartridge and install a new one. 
See page 10.5.

• Parts of the machine 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.

Background scatter results from bits of toner 
randomly distributed on the printed page. 
• The paper may be too damp. Try printing 

with a different batch of paper. Do not open 
packages of paper until necessary so that 
the paper does not absorb too much 
moisture.

• If background scatter occurs on an 

envelope, change the printing layout to 
avoid printing over areas that have 
overlapping seams on the reverse side. 
Printing on seams can cause problems.

• If background scatter covers the entire 

surface area of a printed page, adjust the 
print resolution through your software 
application or the printer properties.

• If characters are improperly formed and 

producing hollow images, the paper stock 
may be too slick. Try a different paper. See 
page 5.1.

• If characters are improperly formed and 

producing a wavy effect, the scanner unit 
may need service. For service, contact a 
service representative.

• Ensure that the paper is loaded properly.
• Check the paper type and quality. See page 

• Ensure that the paper or other material is 

loaded correctly and the guides are not too 
tight or too loose against the paper stack.

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