Printing assembly

A printing assembly comprising:

• (a) a clamping annulus having axial and oppositely axial ends, the clamping annulus's axial and oppositely axial ends having outside diameters, the axial end's outside diameter having with respect to the oppositely axial end's outside diameter, an excess dimension, the excess dimension defining a guide sleeve receiving space;
• (b) a tiered clamping sleeve nestingly received within the clamping annulus, the tiered clamping sleeve having chamfered axial and oppositely axial ends;
• (c) axial and oppositely axial jaw faces respectively fitted for sloped engagements with the tiered clamping sleeve's chamfered axial and oppositely axial ends;
• (d) axial and oppositely axial jaws respectively operatively connected to the axial and oppositely axial jaw faces, the axial jaw comprising an oppositely axially extending guide sleeve;
• (e) an axle extending through the tiered clamping sleeve;
• and
• (f) drawing means mounted to the axle, the drawing means being adapted for respectively pressing the axial and oppositely axial jaw faces against the tiered clamping sleeve's chamfered axial and oppositely axial ends, and for radially outwardly wedging said ends toward the clamping annulus's tiered circumferential end.