| 摘要 |
<p>An ink jet printing system having an ink accumulator (5) holding a supply of ink for delivery under pressure to printheads (1) of the system, the volume of the supply decreasing as ink is delivered to the printheads, and a pump (13) operable intermittently to pump ink from a supply (15) to the accumulator (5) when the volume in the accumulator decreases to a lower limit, operation of the pump being terminated when the volume in the accumulator increases to an upper limit.</p> |
