Never lubricate the machine

Blade free of gum and edge

Apply proper tension to blade

Never bend down to look while running

Uniform width

Straight grain

Varying thickness

Uniform thickness

Used proper lubrication

Work piece very hardness

Setting the fence not properly

Rear table not proper alignment

Check the strength

Check the hardness

Sharpening at all time

Maintenance size and shape

Check the proper depth

Check the proper height

Check the proper weight

Check the proper alignment