Powered fastener driver and operating method thereof

A method of operating a powered fastener driver having a cylinder, a drive piston within the cylinder having a drive blade, and a reciprocating piston within the cylinder through which the drive blade is extendable, said method comprising:

• maintaining the drive piston within the cylinder at a top dead center position;
• moving the reciprocating piston away from the drive piston at a first speed while the drive piston is maintained at the top dead center position;
• detecting the reciprocating piston with a monitoring system prior to the reciprocating piston reaching a bottom dead center position within the cylinder;
• and
• decelerating the reciprocating piston from the first speed in response to being detected.

A method of operating a powered fastener driver having a cylinder, a drive piston within the cylinder having a drive blade, and a reciprocating piston within the cylinder through which the drive blade is extendable, the method comprising:

• maintaining the drive piston within the cylinder at a top dead center position;
• moving the reciprocating piston away from the drive piston at a first speed while the drive piston is maintained at the top dead center position;
• releasing the drive piston from the top dead center position once the reciprocating piston reaches the bottom dead center position;
• moving the reciprocating piston toward the drive piston at a second speed once the drive piston has been released from the top dead center position;
• detecting the drive piston with a monitoring system prior to the drive piston reaching the top dead center position;
• and
• decelerating the reciprocating piston from the second speed in response to being detected.