Sharp AR-M355N Quick Reference Manual page 25

Flash ROM Version Up (Firmware ROM Upgrade) Procedures (cont'd)
Upgrade Procedure 1: Collectively Writing with Each ROM Inserted into the Specified Slot
Note: Make certain all of the ROMs on the PCU, FAX, and scanner are operating ROMs. An empty ROM (a ROM that cannot boot the machine)
cannot be used for writing.
Setup
1. Set the Diag Mode Switch DIP switch (located on the left side on the back of the machine) to the diag mode. (See Setting the DIP Switches.)
2. Make certain the scanner unit is connected to the machine.
3. When a FAX is installed, make certain the FAX unit is connected to the machine.
4. Connect the PC and Controller PWB with the Centronics cable or USB cable.
5. Power ON the PC.
6. Power ON the machine to be updated.
Update Procedures
1. When the machine is booted, the following display is shown.
2. Press the MENU key a few times to display the following windows.
Note: If using File2PRN.EXE, select the connection type (USB or
parallel) with the Up/Down select key.
Quick Reference Guide: AR-M355N/M455N
3. Press OK key, and the following window is displayed.
Note 1:
Flash ROM (cont'd)
The LED flashes and the display is changed
sequentially (as shown below) when files are
transferred from the PC by Fcopy.EXE or
File2PRN.EXE.
25