Roll paper printing system, method for managing remaining amount of roll paper, recording medium, roll paper with memory

摘要

A roll-paper printing system comprises carry-amount detecting means, recording means, and updating means. The carry-amount detecting means detects a carried amount of the roll paper; the recording means records amount information regarding an amount of the roll paper; and the updating means makes the amount information be recorded on the recording means based on the carried amount detected by the carry-amount detecting means. The updating means makes the amount information be recorded on the recording means when a physical process for indicating a break in roll-paper usage is conducted to the roll paper.