Printer cables ensure seamless communication between computers and printers. If you’re renovating your home office, upgrading your printer connection, or even have some infrequently used devices that need to be used, buying the best cables can make things a lot easier. This complete guide will discuss what you need to know about printer cables, cable types, and how to pick the right cable for you.

What Are Printer Cables?
Printer cables connect the printer to a computer or network and are used to send print commands and status feedback. Most printers today use USB cables because they are reliable and easy to use, but older printers may require a conventional cable (parallel or serial) to print correctly. Proper cable selection ensures efficient, high-quality printing.
Types of Printer Cables
1. USB Printer Cables
USB printer cables are the most common choice for modern printers. They are fast, reliable, and easy to use.


Key Features:
- Connectors: USB Type-A (computer) to Type-B (printer).
- Speed: USB 2.0 speeds are up to 480 Mbps, and USB 3.0 speeds are up to 5 Gbps.
- Limitations: Standard cable lengths are typically 16 feet (5 meters), but can be extended using an extender or active USB cable.
Best For:
- Home and office printers that need fast, reliable connections.
USB Cable Speed Comparison:
USB Type | Data Transfer Speed | Typical Use |
---|---|---|
USB 2.0 | Up to 480 Mbps | General home/office use |
USB 3.0 | Up to 5 Gbps | High-speed printing, large file transfers |
2. Parallel Printer Cables
Once preferred by printers, parallel cables are now primarily used for legacy devices.

Specifications:
- Connectors: DB25-pin (computer) to Centronics 36 (CN36)-pin (printer).
- Data Transfer Speed: Up to 2 Mbps.
Best For:
- Older dot matrix or industrial printers are still in use. A USB-to-parallel adapter allows you to connect these printers to newer devices.
3. Serial Printer Cables
Serial cables are a legacy option connecting older printers to computers via a single data bit.

Specifications:
- Connectors: DB9 or DB25 (commonly used for industrial or specialized printers).
- Speed: Up to 115.2 Kbps.
Best For:
- Specialized industrial setups or legacy printers.
4. Ethernet Printer Cables
Ethernet cables can connect multiple devices to a single printer for network printing environments.

Key Features:
- High-speed, stable connections.
- Allows shared access in office or workplace environments.
- Modern networks can support up to 1 Gbps, making them suitable for heavy printing tasks in large offices.
Best For:
- Workplaces where several devices need access to a single printer.
5. Other Specialty Cables
While not as common, you may encounter other types of cables.
- FireWire Cables are used for high-speed transmission in specialized high-performance printers. Although they are not commonly used anymore, they can still be found in specific specialized equipment.
- Wireless Options: Wi-Fi or Bluetooth connections eliminate the clutter of cables and are great for home use. Still, they may not offer the same speed and reliability as wired connections.
How to Choose the Right Printer Cable
1. Check Compatibility
Make sure the cable matches the printer’s port type. Most modern printers use USB Type-B, but if you are using an older device, you may need a parallel or serial cable.
2. Consider Cable Length
Measure the distance between the printer and the computer. To avoid signal attenuation, the cable length should not exceed the maximum effective range. For USB cables, this is typically 16 feet (5 meters). If a longer length is needed, consider using a USB extension or active cable.
3. Evaluate Speed Needs
If your printer and computer support USB 3.0 cables, choose a USB 3.0 cable for faster printing and incredible file transfer speeds. USB 3.0 offers significant speed advantages over USB 2.0.
4. Prioritize Quality
Choose trusted brand-name cables with durable connectors and proper shielding to prevent signal interference. Well-made cables last longer and perform better, even in harsh environments.
5. Consider Custom Solutions
If your setup requires a unique configuration, consider custom cables. These cables can be tailored to meet specific length, connector, or functionality requirements.
Extending Cable Lengths
A standard-length USB cable is sometimes insufficient, especially in large office equipment. In this case, extension or active USB cables, for example, can be used. They can extend the cable length without affecting the signal power. On the other hand, be careful not to exceed the maximum range of the USB cable, as longer cables may lose signal output.
Conclusion
Printer cables may not be the first thing that comes to mind when setting up an office or home printing system, but they are vital to ensuring smooth and reliable operation.USB cables are today’s most popular choice due to their speed and ease of use, but traditional cables, such as parallel and serial cables, still have an essential role for older or specialized printers. By understanding your printer’s requirements and the various cable options available, you can choose the right cable for your needs, whether you print at home, in the office, or with an industrial printer.

Need a custom cable solution?
Contact us today for high-quality custom printer cables that meet your unique requirements!

Apple Liu, Romtronic’s Marketing Manager, specializes in driving Asian market growth. With a degree in International English and eight years of sales experience in the electronic cable and harness industry, she brings deep industry expertise and a global perspective. She is passionate about Romtronic’s leadership in digital engineering and is dedicated to advancing the brand’s presence and innovation.