Sharp AR-M455U Quick Reference Manual - Page 24

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Flash ROM Version Up (Firmware ROM Upgrade) Procedures

General Information

The Flash ROM Version Up procedures enable writing of the program data from a PC to the target PWBs which

becomes source ROM. Target PWBs and ROMs include:

• PCU PWB

- PCU Flash ROM

• MFP Control PWB

- Boot Flash RO

- Main Flash ROM

• Scanner PWB

- Scanner Flash ROM

• Fax PWB

- Fax Flash ROM

Two Procedures are Available to Write to ROM

1. Procedure 1 (Collectively Writing to "Batch")

2. Procedure 2 (Using the CN6 of the Controller PWB to Write ROMs Individually)

After choosing the applicable procedure, make sure you have the necessary items on hand for upgrading as listed

under Preparation.

Preparation

The following items are required to perform an update procedure.

• Host machine with operating ROM in it

• Windows/Personal computer (operating in MS-DOS mode) with a USB or parallel port

• USB cable or Centronics cable (to connect the PC and the Controller PWB)

• Software for upgrading (SFU collective file or SFU unit-specific files)

• Spare Flash ROMs for PCU, Controller Boot, and Scanner)

Quick Reference Guide: AR-M355U/M455U