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1. (WO2018137778) DETECTING CONTACT BETWEEN PRINT APPARATUS COMPONENTS AND PHOTOCONDUCTIVE SURFACES

Pub. No.:    WO/2018/137778    International Application No.:    PCT/EP2017/051845
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Sat Jan 28 00:59:59 CET 2017
IPC: G03G 15/00
G03G 21/16
Applicants: HP INDIGO B.V.
Inventors: GRINSTEIN, Meir
SHOSHANI, Asaf
ELBAZ, Sharon
Title: DETECTING CONTACT BETWEEN PRINT APPARATUS COMPONENTS AND PHOTOCONDUCTIVE SURFACES
Abstract:
In an example, a method includes charging a photoconductive surface in a print apparatus and monitoring an electrical parameter associated with a proximity of a print apparatus component to the photoconductive surface.A relative spacing between the print apparatus component and the photoconductive surface may be changed and a contact between the print apparatus component and the photoconductive surface may be detected when the electrical parameter meets predetermined criteria.