Dell 3333/3335dn Mono Laser Printer - Manual (Page 234)

4 Unpack the new photoconductor kit. Be careful not to touch the photoconductor drum.
5 Insert the toner cartridge into the photoconductor kit by aligning the rollers on the toner cartridge with the tracks.
Push the toner cartridge until it clicks into place.
6 Install the unit into the printer by aligning the arrows on the guides of the unit with the arrows in the printer. Push
the unit as far as it will go.
Maintaining the printer 234