CD printer centering adjustment

Details CD printer centering adjustment CD printer centering adjustment

1997-12-31

1999-07-27

Yan, Ren

Printing

Processes

Position or alignment

101 35, B41L 302

Patent

active

059272082

ABSTRACT:
A CD printer for printing labels on compact discs print information on a CD centered on a print program center. A support for the CD is movable in one axis. The printer moves on a perpendicular axis. The axis forms a plane parallel to the plane of the disc. The CD may be centered selective to the printer program by printing on the disc a first series of lines that are radially spaced and extend from the CD center along both of the axes, and then rotating the CD 180.degree. and printing a second set of lines which are radially spaced along each of the axes but are spaced a radial distance less than the lines printed in the first printing. A vernier is established and where the lines align, the amount of offset from a centered position is indicated. Offset can be corrected by moving the tray and print head on its mounting in the respective directions to a new zero position indicated by the vernier display. The CD is held in a repeatable position on its tray through the use of a three-point contact arrangement that engages the edges of the discs at three locations.

REFERENCES:
patent: 5542768 (1996-08-01), Rother et al.
patent: 5560297 (1996-10-01), Ford
patent: 5699742 (1997-12-01), Ahrens et al.
patent: 5752446 (1998-05-01), Squibb

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