Lassco Wizer CR-20 Cornerounder Operating Instructions Download Page 2

Operating Instructions

Maintenance

Insert the Cutting Unit into the CR-20 base by lifting up on the Handle Assembly as shown 

below. Make sure that the Handle Pad comes down correctly over the Cutting Unit.

Place the product you are cutting onto the Plastic Top Plate and push it into the corner aligning it 

with the Table Guides.  Press down firmly to prevent the product from sliding out of the corner.

Push down on the Handle until the blade on the Cutting Unit cuts through the stack of product.

Remove chips as needed by sliding open the Chip Door and removing all the chips.

Your CR-20 should be relatively maintenance free.  It is recomended that you occasionally apply 

a few drops of light oil on the lever hinge screws to maintain proper movement.

The knives on the Cutting Units are hardened steel, finely ground, and due to their shear action 

will give long and satisfactory service.  When they do become dull or require attention, we 

suggest returning the Cutting Unit for factory service, which includes sharpening and 

replacement of worn parts.

Parts Diagram

485 Hague Street, Rochester, NY  14606  U.S.A.

Tel: 585-436-1934               Fax: 585-464-8665

www.lasscowizer.com      [email protected]

Note:

This machine was designed to cut up to a 1/2” stack of paper.  It will also cut many other 

materials such as cardboard, celluloid, leather, wood and even light soft metals.  With 

heavier materials, however, best results may be obtained if only one or a few pieces are 

cut at a time.

Handle Assembly (20-400A)

Cutting Unit (Misc Part #)

Upper Hinge Bolt (20-24)

Upper Hinge Bolt (20-24)

Center Hinge (20-29)

Center Hinge (20-29)

Lower Hinge Screw (20-26)

Handle Spring (20-23)

Plastic Top Plate (20-32)

Long Guide (20-11)

Short Guide (20-12)

Handle Pad (20-08)

Chip Door (20-01F)

Back View

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