Developer storage and delivery system for liquid electrophotography

A developer storage and delivery system for liquid electrophotography comprising:

• (d) a conductive substrate with a first surface and a second surface;
• (e) a plurality of discrete conductive heating elements mounted on said first surface;
• and
• a phase change developer having a melting point of at least 22° C., wherein said phase change developer is on at least the top surface of each of said conductive heating elements, except that a minor portion of the top surface of each of said conductive heating elements is free of said phase change developer for conducting electricity wherein the minor portion of the top surface that is free of phase change developer comprises less than 15% of that surface area and each of said discrete conductive heating elements is skewed at an angle or perpendicular to the edge of said conductive substrate.

A developer storage and delivery system for liquid electrophotography comprising:

• (a) a conductive substrate with a first surface and a second surface;
• (b) a plurality of discrete conductive heating elements mounted on said first surface;
• and
• (c) a phase change developer having a melting point of at least 22° C., wherein said phase change developer forms a layer on the top surface of each of said conductive heating elements and on said first surface free of said conductive heating elements, except that 0.1 to 10% of the top surface of each of said conductive heating elements is free of said phase change developer for conducting electricity;
• wherein each of said discrete conductive heating elements is in the form of a stripe.

A developer storage and delivery system for liquid electrophotography comprising:

• (a) a conductive substrate with a first surface and a second surface;
• (b) a plurality of discrete conductive heating elements mounted on said first surface;
• and
• (c) a phase change developer having a melting point of at least 22° C., wherein said phase change developer forms a layer on the top surface of each of said conductive heating elements and on said first surface free of said conductive heating elements, except that 0.1 to 10% of the top surface of each of said conductive heating elements is free of said phase change developer for conducting electricity;
• wherein each of said discrete conductive heating elements is skewed at an angle or perpendicular to the edge of said conductive substrate.

A developer storage and delivery system for liquid electrophotography comprising:

• (a) an insulating substrate with a first surface and a second surface;
• (b) a plurality of discrete conductive heating elements mounted on said first surface;
• and
• (c) a phase change developer having a melting point of at least 22° C., wherein said phase change developer is on the top surface of each of said discrete conductive heating elements, except that from 0.1 to 10% of the area of both ends of each of said conductive heating elements is free of said phase change developer for conducting electricity;
• wherein each of said discrete conductive heating elements is in the form of a stripe.

A developer storage and delivery system for liquid electrophotography comprising:

• (a) an insulating substrate with a first surface and a second surface;
• (b) a plurality of discrete conductive heating elements mounted on said first surface;
• and
• (c) a phase change developer having a melting point of at least 22° C., wherein said phase change developer is on the top surface of each of said discrete conductive heating elements, except that from 0.1 to 10% of the area of both ends of each of said conductive heating elements is free of said phase change developer for conducting electricity;
• further comprising a plurality of conductive contacts on said insulating substrate, wherein each of said conductive contacts is connected to one end of said discrete conductive heating elements.

A developer storage and delivery system for liquid electrophotography comprising:

• (a) an insulating substrate with a first surface and a second surface;
• (b) a plurality of discrete conductive heating elements mounted on said first surface;
• and
• (c) a phase change developer having a melting point of at least 22° C.,
• wherein said phase change developer is on the top surface of each of said conductive heating elements and on said first surface free of said conductive heating elements, except that a small portion of both ends of each of said conductive heating elements is free of said phase change developer for conducting electricity;
• and wherein each of said discrete conductive heating elements is in the form of a stripe.

A developer storage and delivery system for liquid electrophotography comprising:

• (a) an insulating substrate with a first surface and a second surface;
• (b) a plurality of discrete conductive heating elements mounted on said first surface;
• and
• (c) a phase change developer having a melting point of at least 22° C.,
• wherein said phase change developer is on the top surface of each of said conductive heating elements and on said first surface free of said conductive heating elements, except that a small portion of both ends of each of said conductive heating elements is free of said phase change developer for conducting electricity;
• wherein each of said discrete conductive heating elements is skewed at an angle or perpendicular to the edge of said conductive substrate.

A developer storage and delivery system for liquid electrophotography comprising:

• (d) an insulating substrate with a first surface and a second surface;
• (e) a plurality of discrete conductive heating elements mounted on said first surface;
• and
• (f) a phase change developer having a melting point of at least 22° C.,
• wherein said phase change developer is on the top surface of each of said conductive heating elements and on said first surface free of said conductive heating elements, except that a small portion of both ends of each of said conductive heating elements is free of said phase change developer for conducting electricity;
• further comprising a plurality of conductive contacts on said insulating substrate, wherein each of said conductive contacts is connected to one end of said discrete conductive heating elements.