Invention Grant
- Patent Title: Method and apparatus for reducing contamination in liquid electrophotographic printing
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Application No.: US16548247Application Date: 2019-08-22
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Publication No.: US10908520B2Publication Date: 2021-02-02
- Inventor: Kobi Shkuri , Sasi Moalem , Reut Diamant , Yossi Cohen , Shahar Tal
- Applicant: HP Indigo B.V.
- Applicant Address: NL Amstelveen
- Assignee: HP Indigo B.V.
- Current Assignee: HP Indigo B.V.
- Current Assignee Address: NL Amstelveen
- Agency: Dierker & Kavanaugh PC
- Main IPC: G03G15/10
- IPC: G03G15/10 ; G03G5/082 ; G03G15/08 ; G03G21/00 ; G03G9/08
Abstract:
In an example of a method for reducing contamination, a purified imaging oil is formed by filtering an imaging oil through an imaging oil filter, and then filtering the imaging oil through a polar absorbent filter. A surface of an amorphous silicon photoconductor of a liquid electrophotographic printing apparatus is maintained by periodically applying the purified imaging oil to the amorphous silicon photoconductor.
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