Sharp MXM363N

A. Cases where update is required

ROM update is required in the following cases:

1. When there is a necessity to upgrade the performance.
2. When installing a new spare part ROM for repair to the machine.
3. When installing a new spare parts PWB unit (with ROM) for repair to the machine.
4. When there is a trouble in the ROM program and it must be repaired.

B. Notes for update

Relationship between each ROM and update

Before execution of ROM update, check combinations with ROM’s installed in the other PWB’s including options. Some combinations of each ROM’s versions may cause malfunctions of the machine.

C. Update procedures and kinds of firmware

There are following methods of update of the firmware.

1. Update method using SIM 49-1
2. Update method using FTP
3. Update method using the Web page
4. Update method using the CN update function (There are three methods.)
   Normally, one of 1) - 3) is used to update the firmware. When any one of 1) - 3) is interrupted by an error such as power-off during updating, etc., and when retries of these methods are failed, the method 4) is employed.