| 摘要 |
A printer comprises paper feed means for feeding a sheet of print paper in a prescribed direction, a plurality of type groups arranged in tiers along the prescribed direction and each having a set of types, a hammer assembly shiftable across the tiers of the type groups for pressing a selected one of the types against the sheet of print paper, means for shifting the hammer assembly across the tiers of the type groups, an arithmetic unit for computing a next amount of feed of the sheet of print paper based on a position of the selected type with reference to a direction across the tiers of the type groups, and paper feed control means for controlling the paper feed means to feed the sheet of print paper and the shifting means to shift the hammer assembly in relation to each other for intervals of time controlled on the basis of the amount of feed of the sheet of print paper as computed by the arithmetic unit.
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