Maintaining the big Head Roland lettering knife requires following a few simple steps to ensure its durability and optimal performance. The following are some suggestions for maintaining the big head Roland engraving knife:

1. Clean: Use a clean cloth or paper towel to clean the tool head and body regularly to remove dust and debris. Avoid using cleaners that contain chemicals to avoid damage to the tool.
2. Lubrication: Regularly lubricate moving parts such as shaft and bearing of the lettering knife to reduce wear and maintain smooth operation.
3. Replace the blade: Replace the blade regularly as needed to maintain a sharp cutting edge. When replacing the blade, use a suitable wrench or screwdriver and ensure that the blade is securely installed.
4. Storage: When the carving knife is not used for a long time, it should be stored in a dry place and kept clean. Avoid exposing the carving knife to damp conditions to avoid damage or rust.
5. Pay attention to safety: When maintaining and using lettering knives, pay attention to safety issues. Avoid injury or damage to the tool due to excessive force or improper use.

Following the above recommendations can extend the service life of the big head Roland lettering knife and maintain its optimal performance. If you encounter any problems or faults during use, it is recommended to contact professionals or manufacturers in time for repair and maintenance.