Reset Samsung ml 1610 Toner Exhausted

How to reset samsung ml 1610 toner, and . How to solve "Toner Exhausted" problem in Samsung  ml 1640 printer ?

Samsung ML-1610 Laser Printer

Description: Superior productivity with fast print speeds up to 17 ppm, the Samsung ML-1610 allows you to cut your deadlines closer than ever and still print an extra copy. Youll also spend less time reloading, thanks to a high-capacity 150-sheet multi-purpose tray.
Superior productivity with fast print speeds up to 17 ppm, the Samsung ML-1610 allows you to cut your deadlines closer than ever and still print an extra copy. Youll also spend less time reloading, thanks to a high-capacity 150-sheet multi-purpose tray. Even toner changes are quick and easy with a simple one-piece toner cartridge. Plus, its toner yields 2,000-sheets per cartridge and its ultra-compact footprint leaves you more desk space to operate. The Samsung ML-1610 raises your efficiency to new levels. The ML-1610 delivers sharp, professional laser text and graphics with 600 dpi x 600 dpi resolution. It also features of 2MB memory and a 150 MHz procesor.

But, How to solve Toner Exhausted problem in Samsung  ml 1640 printer ?