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    • 4. 发明授权
    • Toner measurement and darkness control using printer systems
    • 使用打印机系统进行碳粉测量和黑暗控制
    • US06718147B1
    • 2004-04-06
    • US10287312
    • 2002-11-04
    • Philip Scot CarterBenjamin Keith NewmanWilliam Keith RichardsonJason Carl True
    • Philip Scot CarterBenjamin Keith NewmanWilliam Keith RichardsonJason Carl True
    • G03G1508
    • G03G15/0856G03G15/0872G03G15/556
    • Toner usage is measured with good accuracy. Printing tends to darken with the depletion of toner from a source. A toner cartridge employed in a printer (70) has the capability at the cartridge of determining the amount toner used. In an embodiment this is by a torsion spring (60) drive to a toner paddle (3). At turn-on and cover open, the amount of toner is measured at the cartridge (80). That is stored in NVRAM (78) when it is very different from the current amount stored in NVRAM. At certain amount levels observed at the cartridge the amount in NVRAM is revised to the new amount. Between those levels the amount of toner used is tracked by counting pels (94). Use amounts are converted to operating factors in a table (100), and the operating factors are applied to the printer to keep the darkness of printing more constant. Writing to NVRAM is minimized.
    • 碳粉用量测量精度很高。 随着墨粉耗尽,打印趋于变暗。 在打印机(70)中使用的墨粉盒具有在墨盒处确定所用墨粉量的能力。 在一个实施例中,这是通过扭转弹簧(60)驱动到调色剂浆板(3)。 在开启和打开盖子时,在墨盒(80)处测量墨粉量。 当它与存储在NVRAM中的当前数量非常不同时,它被存储在NVRAM(78)中。 在墨盒上观察到的某些数量水平下,NVRAM中的数量被修改为新的数量。 在这些水平之间,使用的调色剂量通过计数像素进行跟踪(94)。 使用量转换为表(100)中的操作因子,并将操作系数应用于打印机以保持打印的黑暗更恒定。 写入NVRAM最小化。