Samsung CLP 500N - Manual (Page 156)

M AINTAINING Y OUR P RINTER 6.38
15 Close the left cover. Make sure that it is securely latched.
If you have installed the toner cartridges wrongly, the left
cover will not close properly. Check again to make sure the
cartridge colors correspond to those marked on the right
hand side. Never use force to close the cover.
16 Plug the power cord in and turn the printer on.
Replacement Part
From time to time, you will need to replace the roller and fuser
unit to maintain top performance and avoid print quality
problems and paper feed problems resulting from worn parts.
The following items should be replaced after you have printed a
specified number of pages. See the table below.
To purchase the replacement parts, contact your Samsung
dealer or the retailer where you bought your printer. We strongly
recommend that items be installed by a trained service
professional.
Item(s) Yield (Average)
Pick-up roller Approx. 150,000 pages
Transfer roller Approx. 50,000 pages
Fuser unit
Approx. 100,000 black pages (50,000
color pages)