To provide a user-friendly information processor capable of transferring electronic information from one recording medium to another recording medium while maintaining versatility of the processor itself that the processor can be connected with an external device.

Unless the defect of electronic information is excluded, an LED 14 is lighted in red under the control of a control means 16 under conditions that a power switch 18 is turned on. Thus, it is possible for a user to easily specify the defect through error expressions recognized visually.