
Symptom
The printer cannot communicate via IrDA.
Point to check (Cause) | Solution | 
The printer is communicating via  | 
  | 
wireless communication. (GH30/GH40  | Terminate the wireless communication.  | 
only)  | 
  | 
Communication conditions are incorrect. Set the communication conditions correctly
Issue mode is incorrect.  | Select a correct issue mode.  | 
  | 
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  | Transmission speed is incorrect.  | Send data at correct transmission speed.  | |
  | 
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  | The printer is not turned on.  | Turn on the printer.  | |
  | Serial interface cable is connected.  | Disconnect the   | |
The printer cannot  | (GH20 only)  | printer.  | |
  | 
  | ||
The printer is communicating via  | 
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communicate via USB.  | 
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wireless communication. (GH30/GH40  | Terminate the wireless communication  | ||
  | |||
  | only)  | 
  | |
  | Issue mode is incorrect.  | Select a correct issue mode.  | |
  | 
  | 
  | |
  | The printer is not turned on.  | Turn on the printer.  | |
  | 
  | 
  | |
  | The interface cable is not connected  | Completely connect the interface cable.  | |
The printer cannot  | properly.  | ||
  | |||
communicate via serial  | 
  | 
  | |
Issue mode is incorrect.  | Select a correct issue mode.  | ||
interface (GH20 only)  | |||
  | 
  | 
  | |
  | Communication conditions are improper.  | Set the communication conditions  | |
  | properly.  | ||
  | 
  | 
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  | The printer is not turned on.  | Turn on the printer.  | |
  | 
  | 
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  | Distance to the host is too far.  | Bring the printer close to the host within 3  | |
  | m.  | ||
  | 
  | ||
The printer cannot  | The printer is used in a location where it  | Avoid such location.  | |
communicate via Bluetooth.  | is subjected to noise or interference.  | 
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(GH30 only)  | The printer address is not correctly set  | Correctly set the print address on the host.  | |
  | |||
  | on the host.  | ||
  | 
  | ||
  | Issue mode is incorrect.  | Select a correct issue mode.  | 
The printer is not turned on.
Turn on the printer.
  | Distance to the host is too far.  | Bring the printer within a wireless  | |
  | coverage area.  | ||
  | 
  | ||
  | Obstacles block the radio wave.  | Use the printer in a location with no  | |
  | obstacles.  | ||
The printer cannot  | 
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  | 
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The printer is used in a location where it  | Avoid such location.  | ||
communicate via wireless  | |||
LAN. | is subjected to noise or interference.  | 
  | |
The printer address is not correctly set  | 
  | ||
(GH40 only)  | Correctly set the print address on the host  | ||
  | on the host.  | ||
  | 
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  | Channel setting for the access point or  | Avoid using a channel which interferes  | |
  | host is incorrect.  | with adjacent access points.  | |
  | 
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  | Issue mode is incorrect.  | Select a correct issue mode.  | |
  | 
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  | The print head is dirty.  | Clean the print head.  | |
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  | The media is not loaded properly.  | Load the media properly.  | |
Printout is too light.  | 
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Deteriorated media is used.  | Load a new media roll.  | ||
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  | The media is not a TOSHIBA TEC  | Use TOSHIBA TEC approved media.  | |
  | approved one  | ||
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The printer received print  | The STATUS lamp is lit or blinking.  | Clear the error  | |
  | 
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data but does not print.  | The media is not loaded properly.  | Load the media properly.  | |
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