US 12,090,767 B2
Defective nozzle locating mechanism
Jiwon Gim, Boulder, CO (US); Scott R. Johnson, Boulder, CO (US); Ziling Zhang, Boulder, CO (US); and Mikel Stanich, Boulder, CO (US)
Assigned to Ricoh Company, Ltd., Tokyo (JP)
Filed by Jiwon Gim, Boulder, CO (US); Scott R. Johnson, Boulder, CO (US); Ziling Zhang, Boulder, CO (US); and Mikel Stanich, Boulder, CO (US)
Filed on Sep. 29, 2022, as Appl. No. 17/956,181.
Prior Publication US 2024/0109334 A1, Apr. 4, 2024
Int. Cl. B41J 2/21 (2006.01); B41J 2/045 (2006.01)
CPC B41J 2/2142 (2013.01) [B41J 2/0451 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system comprising:
at least one physical memory device to store defective print element determination logic; and
one or more processors coupled with the at least one physical memory device to execute the defective print element determination logic to:
receive a print image comprising evaluation marks and locator marks applied to a print medium by a plurality of pel forming elements according to print instructions; and
identify pel forming elements associated with print defect pels in the print image among the plurality of pel forming elements based on the evaluation marks, the locator marks and the print instructions.