| 摘要 |
A method of expelling ink from a printhead module including at least one row that comprises a plurality of sets of n adjacent nozzles, each of the nozzles being configured to expel ink in response to a fire signal, the method comprising the steps of: (a) providing a fire signal to nozzles at a first and nth position in each set of nozzles; (b) providing a fire signal to the next inward pair of nozzles in each set; (c) in the event n is an even number, repeating step (b) until all of the nozzles in each set has been fired; and (d) in the event n is an odd number, repeating step (b) until all of the nozzles but a central nozzle in each set have been fired, and then firing the central nozzle.
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