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

Buy Logan Hand Held Mat Cutters

Buy Logan Graphic Products 5000: 8-Ply Handheld Matte Cutter featuring Works on 4 or 8 Ply Boards, Magnetic Blade Holder, Start/Stop Indicators,

Logan Graphic Products 5000: 8-Ply Handheld Matte Cutter

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

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

The Logan Model 5000 8-ply Mat Cutter is designed primarily to cut to 8-ply mat board but can be adjusted to cut standard 4-ply mat board also. The 5000 features an ergonomic and magnetic blade holder with an easy adjustable blade depth knob plus start and stop indicator for zero overcuts. The #5000 8 Ply Bevel Cutter is compatible with Logan Compact series, Artist Elite and Simplex series mat cutters. Uses Logan Blade Model 271.

Logan 5000 8 Ply Mat Cutter

Logan BLICK Art Materials