1. Type of Fax Machine

   • Analog vs. Digital: Consider whether you need a traditional analog machine or a modern digital one.

2. Speed

   • Look for the pages per minute (PPM) rate. Faster machines can save time.

3. Resolution

   • Check the density setting (measured in DPI) for print quality. Higher DPI means better clarity.

4. Memory

   • Ensure it has sufficient storage capacity for incoming and outgoing faxes, especially if you're handling a high volume.

5. Connectivity Options

   • Look for machines that offer various connection methods like Wi-Fi, USB, and Ethernet for flexibility.

6. Multi-functionality

   • Consider all-in-one options that can also print, scan, and copy, reducing the need for multiple devices.

7. Paper Handling

   • Check the paper size compatibility and capacity of the feed tray. Some machines can handle legal size paper.

8. Ease of Use

   • Look for intuitive controls and display screens for easy navigation.

9. Automatic Document Feeder (ADF)

   • ADF allows for batch faxing, saving time on multiple-page documents.

10. Energy Efficiency

    • Opt for models that are energy efficient to save on electricity costs.

11. Brand Reliability and Support

    • Research brands for reliability and available customer support in case of issues.

12. Cost of Consumables

    • Take into account the costs of ink or toner and supplies. Check how often these need to be replaced.

13. Reviews and Ratings

    • Read user reviews and expert ratings to gauge the performance and reliability of different models.

14. Warranty and Return Policy

    • Check the warranty length and what it covers. A good return policy can be helpful if the machine does not meet your needs.

15. Faxing Features

    • Look for additional features like fax broadcasting (sending one fax to multiple recipients) or auto-redialing.

By keeping these tips in mind, you can make an informed decision when purchasing a fax machine that fits your needs.