1. Model Number: HP C3903F toner cartridge.

2. Compatible for: HP5P/5MP/6P/6MP, Canon LBP-VX/EP-V series.

3. Yield pages: 4000pages.

4. Certification: ISO 9001:2000 and ISO 1400:2004.

5. Warranty: 18 months.

6. Color: Black.