Samsung SCX-4521FR Manual De Usuario

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Maintenance
8.3
5
With a dry lint-free cloth, wipe away any dust and spilled 
toner from the toner cartridge area and the toner cartridge 
cavity.
C
AUTION
: Do not touch the black transfer roller inside the 
machine. 
6
Locate the long strip of glass (LSU) inside the top of the 
cartridge compartment, and gently swab the glass to see if 
dirt turns the white cotton black.
7
Reinsert the manual tray, toner cartridge and close the 
door.
8
Plug in the power cord and turn the machine on.
Cleaning the Scan Unit
Keeping the scan unit clean helps ensure the best possible 
copies. We suggest that you clean the scan unit at the start of 
each day and during the day, as needed.
1
Slightly dampen a soft lint-free cloth or paper towel with 
water.
2
Open the document cover.
3
Wipe the surface of the document glass and ADF glass 
until it is clean and dry.
4
Wipe the underside of the white document cover and white 
bar until it is clean and dry.
5
Close the document cover.
Maintaining the Toner Cartridge
Toner cartridge storage
To get the most from the toner cartridge, keep the following 
guidelines in mind:
• Do not remove the toner cartridge from its package until 
ready for use. 
• Do not refill the toner cartridge. The machine warranty 
does not cover damage caused by using a refilled 
cartridge.
• Store toner cartridges in the same environment as your 
machine.
• To prevent damage to the toner cartridge, do not expose 
it to light for more than a few minutes.
Saving toner
To save toner, press the Toner Save button on the control 
panel; see “Toner Save Mode” on page 2.11. The button 
backlight turns on. Using this feature extends the life of the 
toner cartridge and reduces your cost per page, but it also 
reduces print quality. 
Expected Cartridge Life
The life of the toner cartridge depends on the amount of toner 
that print jobs require. When printing text at ISO 19752 5% 
coverage, a new toner cartridge lasts an average of 3,000 
pages. (The original toner cartridge supplied with the machine 
lasts an average of 1,000 pages.) The actual number may be 
different depending on the print density of the page you print. 
If you print a lot of graphics, you may need to change the 
cartridge more often.
Document 
cover
Document 
glass
White bar
ADF glass