The Ricoh Aficio MP C2500 is a digital copier and printer ideal for medium size printing tasks. The average speed of the printer for a text document is 25 pages per minute, and 25 PPM for color documents. The Aficio MP C2500 uses black (Cartridge number 888636), cyan (Cartridge number 888639), magenta (Cartridge number 888634), and yellow (Cartridge number 888637) cartridges. The average page yield of each cartridge is 15,000 pages for the color and 20,000 pages for the black at 5% coverage, which is usually a regular letter size page with text. The standard paper capacity is 3,200 sheets. The printer resolution, 600 x 600 dpi, is very acceptable compared to copiers of the same price range. This copier is mostly intended for small to medium printing jobs, there are many extra features like a duplexer that can be attached to maximize performance. The replacement cycles of the printer are convenient, mostly based on the high yield capacity of the cartridges that reduces the cost per page, and allows users to utilize the color features of the printer without fear of breaking the bank.
Open the cover board on the front side of the copier.
Remove the bottle of empty toner from the panel. 
Take the new cartridge out of the box and shake it firmly. 
Place it back into the copier panel and close the cover board