5-4. Flash ROM Writing OperationAs the BJC-55/BJ M40 does not have a parallel interface, the firmware of the FlashROM is written using the "USB Loader."5-4-1. Writing methoda) Download the USB Loader to the host computer.(1) Send the USB Loader from the "Software download" page on QISS to the hostcomputer.This software will operate only on Windows 98 OS computers.Also, the BJC-55 / BJ M40 printer driver must be installed.(2) Connect the printer which the firmware is to be written with the host computer.Note that the printer should be turned off.The other USB devices should be unplugged from the host computer.(3) Open the USB loader with a double-click.b) Enter the writing mode of the printer.(1) Remove the DC plug of the universal adapter and the Lithium Ion Battery.(2) While pressing theRESUME button andCartridge Replacement button, insertthe DC plug of the universal adapter and release the buttons after one long beep.(3) Press theRESUME button, and release the button after one short beep. When theinitial sequence finishes, another short beep will sound, the Power LED lights, andthe printer will enter the writing mode (stand-by-to-receive state.)TheRESUME button does not work while in the writing mode.Do not turn off the power with thePOWER button while in the writing mode.c) Download the firmware.(1) Download the firmware for upgrading from the software download page in QISSinto the host computer.(2) Select "AUTO" from the "USB Port" in the main dialog box of the "USB loader."11Select a port.Exit USB loader.About USB loader.(Version etc.)Send the selectedfile to the printer.Open the dialog box for selecting a file.Select the file to be sent to the printer.