Invoice amount calculation method, invoice amount calculation device, and printer invoicing system

摘要

A manufacturer server 110 that determines a first invoice amount or calculates a second invoice amount for an inkjet printer has a billing status acquisition unit 342 that acquires billing status information including actual print volume PV. An actual print volume calculation unit 343 determines (i) if PV is less than or equal to a specific volume V1, in which case the first invoice amount, which is a fixed amount, is determined, and (ii) if PV exceeds V1, in which case the second invoice amount is calculated. An invoice amount calculation unit 344 determines or calculates the first or second invoice amount.

主权项

1. An invoice amount calculation method for a printer, the method comprising:
acquiring a print volume PV for a specific period L1; and determining a first invoice amount, which is a fixed amount, when the print volume PV is less than or equal to a specific volume V1, or a second invoice amount based on the print volume PV when the print volume PV exceeds the specific volume V1, the second invoice amount being greater than the first invoice amount.