US 9,809,025 B2
Printing pen and printing system
Jose Miguel Rodriguez, San Diego, CA (US)
Assigned to HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Houston, TX (US)
Appl. No. 15/303,284
Filed by HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Houston, TX (US)
PCT Filed Apr. 23, 2014, PCT No. PCT/US2014/035189
§ 371(c)(1), (2) Date Oct. 11, 2016,
PCT Pub. No. WO2015/163873, PCT Pub. Date Oct. 29, 2015.
Prior Publication US 2017/0028720 A1, Feb. 2, 2017
Int. Cl. B41J 2/145 (2006.01); B41J 2/045 (2006.01)
CPC B41J 2/145 (2013.01) [B41J 2/0457 (2013.01); B41J 2/0458 (2013.01); B41J 2/04541 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A printing system comprising:
a pen comprising a number of print bars; each print bar comprising a number of printheads;
in which the printheads are grouped with a number of printheads from each of the number of print bars, the grouped printheads forming a slice; in which the slice comprises printheads from each print bar that run parallel with each other and parallel with respect to the direction a medium is passed under the pen; and
in which the printheads of the slice are electrically coupled to a common power supply unit.