| 摘要 |
<p>PURPOSE:To remove the variation of printing density and the joint between blocks, by dispersedly arranging simultaneously energized heating resistors at intervals of a fixed number of pieces, and by dividedly driving control signals to drive heating resistors in a fixed number of times. CONSTITUTION:In the case of printing action, the action up to output from latch circuit 4 to one input side of NAND circuit 5 is similar to the conventional action. Strobe pulses are simultaneously applied to heating resistors r11-rnm arranged at intervals of n pieces: in this case, the strobe pulses are dividedly applied in P times. Therefore, the variation of printing density is drastically improved, and the thermal influences of adjacent dots are equalized, resulting in removal of longitudinal line interference.</p> |
