Importance

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Abstract

Per every one printing scan of a head, a printing data to be printed by the corresponding scan is divided into L in a scanning direction (lateral direction) and N in a paper feeding direction (longitudinal direction. Concerning each counting blocks identified by l and number of driving r.sub.ln is counted. Then, with respect to each l, r.sub.ln are sequentially summed from n=1 to obtain S.sub.l. At every time of summing for deriving S.sub.l, judgment is made whether S.sub.l is greater than a predetermined value R determined in association with a power source capacity. When judgment is made that S.sub.l is greater than R, printing of a printing data corresponding to the counting blocks of 1 to (n-1) with respect to n-1 which is one smaller value that the value n of the counting block upon judgment that S.sub.l is greater than R, is performed, and then paper feeding is performed for the corresponding counting blocks. Thus, lowering of throughput can be restricted with optimally using the power source capacity of the apparatus.

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First Claim