Rewriting Version Up The Flash Rom - Sharp FO 4400 - B/W Laser - All-in-One Service Manual

FO-4400U
FO-CS1

[2] Rewriting version up the FLASH ROM

1. Outline
FO-4400 is connected with PC in a serial cable, and Firmware of FO-4400 is downloaded.
2. Preparation
PC side:
(1) Communication software (Tera Term Pro Version 2.3 (free software)) is installed.
It distributes separately. (ttermp23.zip)
• ttermp23.zip is decompressed to the suitable directory.
• Setup.exe is double-clicked and installed.
• Start Tera Term and set up Serial Port. Figs. 2, 3, 4)
Note: According to the environment of PC to be used, one of COM1 and COM2 is chosen.
(2) The file of the firmware to update is copied to a suitable directory.
(The extension of the file for update is "ver".)
FO-4400 side:
(1) Turn off the power.
(2) The door for option board wearing in the back of FO-4400 is opened.
(3) The conversion cable of 9pin - 5pin is connected the white connector which has five pins.
(The connector is at the upper left of the door.)
(4) FO-4400 is connected with PC with a serial straight cable and a conversion cable.
Fig. 3
Fig. 2
8 – 2
Fig. 4