The following will serve as a good guide for you before you purchase any printers :-

1. Which is the cheapest Colour Multi-Functional Printer ?
     
2. Which Multi-Functional Printer Support Fax to Email Forwarding ?
    
3. Which Colour Printer is suitable for printing on Transparency ?
    
4. Economical Colour Laser Printer
     
5. Popular economical Mono Laser Printer 
     
6. Heavy Duty Mono Laser Printer
     
7. A3 Mono Laser Printer
     
8. A3 Colour Laser Printer
     
9. Printer with more than 40ppm print speed
     
10. Printer with more than 50ppm print speed
      
11. Printer with more than 60ppm print speed