| 摘要 |
Ink jet printhead comprising a driving and encoding circuit ( 20 ) having a grid-like structure, including a plurality of inputs ( 24 ), a plurality of selecting elements ( 12 ), a plurality of actuating elements (IC) and at least one identifying element ( 21 ) of said printhead. Each identifying element ( 21 ) is associated with a corresponding selecting element ( 12 ) and corresponds to nodes arranged along a row or column of said grid-like structure, and is scanned, together with said actuating elements ( 11 ), during a preliminary checking step.
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