Patent ID: 8414102
Filing Date: 2013-04-09
Classification: B41J

Abstract:
1. An imaging device comprising: a media transport configured to move an image receiving member through a print zone in a process direction; a plurality of heated printheads arranged in the print zone to enable printing with a single color of phase change ink across the image receiving member in a cross-process direction; a first optical sensor located in the process direction from the plurality of heated printheads in the print zone, the first optical sensor being configured to generate signals corresponding to light reflected from ink drops ejected onto the image receiving member by the plurality of heated printheads; a spreader roller located in the process direction from the print zone, the spreader roller being configured to engage the image receiving member to spread ink drops ejected onto the image receiving member; a second optical sensor located in the process direction from the spreader roller, the second optical sensor being configured to generate signals corresponding to light reflected from spread ink drops on the image receiving member; and a controller operatively connected to the plurality of heated printheads, the first optical sensor, and the second optical sensor, the controller being configured to: