B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/175 (2006.01)
Patent
CA 2436898
An ink cartridge 10 has a memory controller 15 that controls a series of processing that involves rewriting data into a memory 14. The memory 14 stores information regarding the ink cartridge 10, for example, a residual quantity of ink in the ink cartridge 10. A control unit 22 of a printer 20 gives the ink cartridge 10 an instruction including a specified address to execute operation of rewriting the data in the memory 14 (either an operation of erasing the existing data from the memory 14 or an operation of writing data into the memory 14). In response to the given instruction, the memory controller 15 rewrites the data at the specified address in the memory 14 and sends back a response signal or an acknowledgement representing completion of the rewriting operation, together with address-related information corresponding to the specified address. The control unit 22 receives the address-related information and verifies whether data has been rewritten correctly at a right address. This arrangement ensures a sufficiently high reliability in the operation of rewriting data into the memory.
Riches Mckenzie & Herbert Llp
Seiko Epson Corporation
LandOfFree
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