Are There Any Obstacles Between The Printer And The Mobile Terminal; Is The Mobile Terminal's Bluetooth Function Turned On; Is There A Wireless Lan Unit Or Anything Else In The Vicinity That Is Causing Bluetooth Communication To Be Unstable; Is There A Wireless Lan Unit Or Anything Else In The Vicinity That Is Causing Bluetooth Communi- Cation To Be Unstable - Roland TrueVIS VF2-640 User Manual

Printer Cannot Be Operated from the Operation Application

Are there any obstacles between the printer and the mobile terminal?

If obstacles (such as people, metal, and walls) are present between the printer and the mobile terminal, Bluetooth
communication may be unstable. Use the operation application from a location where there are no obstacles be-
tween the printer and the mobile terminal.

Is the mobile terminal's Bluetooth function turned on?

Check the Bluetooth status of the mobile terminal. For the usage method of your mobile terminal, refer to its us-
er's manual.
Is there a wireless LAN unit or anything else in the vicinity that is causing Bluetooth com-
munication to be unstable?
The Bluetooth communication status may become unstable if:
• A wireless LAN is in place in the location.
• The devices are in the vicinity of a microwave that is in use.
• Other electromagnetic waves are generated in the location.
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3. Machine Problems