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Toner kit, deep-color cyan toner, pale-color cyan toner, and image forming method

  • US 7,381,509 B2
  • Filed: 08/28/2007
  • Issued: 06/03/2008
  • Est. Priority Date: 11/19/2003
  • Status: Expired due to Fees
First Claim
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1. A toner kit comprising:

  • a pale cyan toner comprising at least a binder resin and a colorant; and

    a deep cyan toner comprising at least a binder resin and a colorant,the pale cyan toner and the deep cyan toner being separated from each other, wherein;

    when a toner image fixed on plain paper is expressed by an L*a*b* color coordinate system where a* represents a hue in the red-green direction, b* represents a hue in the yellow-blue direction, and L* represents a lightness,in a fixed image of the pale cyan toner, the pale cyan toner has a value of a* (a*C1) in a range of −

    30 to −

    19 when b* is −

    20 and a value of a* (a*C2) in a range of −

    45 to −

    29 when b* is −

    30;

    in a fixed image of the deep cyan toner, the deep cyan toner has a value of a* (a*C3) in a range of −

    29 to −

    19 when b* is −

    20 and a value of a* (a*C4) in a range of −

    43 to −

    29 when b* is −

    30; and

    the relationships of a*C1

    a*C3 and a*C2

    a*C4 are satisfied.

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