Patent ID: 6501558
Filing Date: 2002-12-31
Classification: G06F,G06K

Abstract:
An interface module which is inserted into an interface board slot of a printer, comprising:receive means for receiving data from a host computer, the data including journal print data and receipt print data; journal-data extract means for extracting journal print data from the data received by the receive means; a nonvolatile memory circuit for storing the journal print data extracted by the journal-data extract means; transmitted-data extract means for extracting data to be transmitted to the printer from the data received by the receive means; transmit means for transmitting to the printer the transmitted data extracted by the transmitted-data extract means; journal-data-transmit-command extract means for extracting a command to transmit the journal print data stored in the nonvolatile memory circuit from the data received by the receive means to the host computer; and transmit means for transmitting the journal print data stored in the nonvolatile memory circuit to the host computer when the transmit command is extracted by the journal-data-transmit-command extract means.