How can I get my 'Logan 5000' bevel cutter to be more accurate?

Mountcutters LION Picture Framing Supplies Ltd

Buy Logan Hand Held Mat Cutters

Logan 5000 Mat Cutter for thick mountboards

High-Quality Material: This mount cutter is made of high-quality plastic material, ensuring its solid and durable construction. It is built to last

Bevel Mat Cutter For Framing Logan Mat Board Bevel Cutter 45 Degree Cutter KT Board Framing Cutter Bi-Directional Card Board Precise Mount Cutter with

LO5000, CUTTER 8-PLY & 4-PLY MATBOARD. Manufactured by Logan. This mat cutter can be adjusted to cut standard 4-ply mat board as well as 8-ply mats.

Logan 5000 8-ply Bevel Mat Cutter

Mat Cutter at Jerry's Artarama

How can I get my 'Logan 5000' bevel cutter to be more accurate

FoamWerks WC-6001 Straight Cutter

How can I get my 'Logan 5000' bevel cutter to be more accurate