Printing device and its control method and consumpable device mounted on same

Printing device and its control method and consumpable device mounted on same

  • CN 1,540,457 B
  • Filed: 09/30/2000
  • Issued: 09/07/2011
  • Est. Priority Date: 10/01/1999
  • Status: Active Grant
First Claim
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1. the method for the information of a storage area that is used for being provided with storage unit, but this storage unit is installed on the consumable unit that can pull down from printing device, but described consumable unit has the recording agent that uses in print processing, described storage unit comprises first memory block and second memory block, and described method comprises:

  • Determining step, but determine the surplus of the recording agent in the described consumable unit;

    First storing step, if be used for determining that in described determining step the surplus of described recording agent is less than or equal to first scheduled volume, canned data in first memory block then, described information indicates the amount of described recording agent to be less than or equal to first scheduled volume;

    AndFirst sets step, after the information that the amount at the described recording agent of indication that is used for is less than or equal to first scheduled volume is stored in described first memory block, sets by storing predetermined data in described second memory block and to forbid described first memory block is write.

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