– 3.1 –
CHAPTER 3
TROUBLESHOOTING
It is necessary to isolate, to some extent, the function that is in trouble in prior to
troubleshooting.
Troubles can be roughly classified into the following two groups.
1) Troubles only relating to the device
• The function in trouble can be determined through various tests.
2) Trouble relating to the connection with the host computer
• Disconnection of failed contact of the cables in terms of hardware
• In terms of software, the case where the user has changed computer parameters or has
sent wrong data by mistake.
Recovering procedures for troubles in general that are likely to arise independently on the
device will appear from the next page.