Toshiba Tec Bev4g Manual

							3. REPLACING THE IMPORTANT PARTS EO18-33025 
(Revision Date: Mar. 27, 2009) 
3.8 Replacing the Feed Button PC Board
 
3-19 
3.8 Replacing the Feed Button PC Board 
1.  Refer to section 3.1 to remove the top cover. 
2.  Remove the screws which fix the feed button PC board and the mylar sheet to the 
mechanism. 
 
 
 
 
3.  Replace the feed button PC board with a new one, then reassemble in the reverse 
order of removal. 
 
 
4.  After replacing, make sure the printer performs correctly for the following points. 
 •  When the printer is turned on and then the top cover is opened, the status lamp gets 
unlit. 
 •  Next, when the top cover is closed, the status lamp lights up in green. 
 • When the [FEED] button is pressed during the unloading of a media, the status lamp 
flashes in red. 
 
Mylar Sheet
Feed Button PC BoardTop Cove
r
Mylar Sheet 
T-3x6 Screw
B-EV4T modelB-EV4D model  
						

							3. REPLACING THE IMPORTANT PARTS EO18-33025 
(Revision Date: Mar. 27, 2009) 
3.9 Replacing the Cover Open Sensor
 
3-20 
3.9 Replacing the Cover Open Sensor 
1.  Refer to section 3.1 to remove the top cover. 
2.  Remove the sensor connector from the main PC board. 
 
 
 
3.  Use the Phillips screwdriver to remove the screw from the cover open sensor. 
 
 
 
 
4.  Replace the cover open sensor with a new one, then reassemble in the reverse order 
of removal. 
 
 
5.  After replacing, make sure the printer performs correctly for the following points. 
 •  When the printer is turned on and then the top cover is opened, the status lamp gets 
unlit. 
 •  Next, when the top cover is closed, the status lamp lights up in green. 
 
Sensor Connector(JP16)
Main PC Board
T-2x4 Screw 
Cover Open Sensor 
						

							3. REPLACING THE IMPORTANT PARTS EO18-33025 
(Revision Date: Mar. 27, 2009) 
3.10 Replacing the Ribbon Sensor (B-SV4T model only)
 
3-21 
3.10 Replacing the Ribbon Sensor (B-SV4T model only) 
1.  Refer to section 3.1 to remove the top cover. 
2.  Remove the sensor connector from the main PC board. 
 
 
 
3.  Use the Phillips screwdriver to remove the screw from the ribbon sensor. 
 
 
 
 
4.  Replace the ribbon sensor with a new one, then reassemble in the reverse order of 
removal. 
 
5.  After replacing, make sure the printer performs correctly for the following points. 
 •  Printing is performed correctly and the ribbon is not slack or wrinkled. 
 •  When the ribbon is unloaded and the thermal transfer printing is performed, an error 
occurs. (The ribbon sensor detects the status correctly.) 
 
Sensor Connector (JP20)
Main PC Board
T-2x4 Screw 
Ribbon Sensor  
						

							
3. REPLACING THE IMPORTANT PARTS EO18-33025 
(Revision Date: Mar. 27, 2009) 
3.11 Replacing the Black Mark Sensor
 
3-22 
3.11 Replacing the Black Mark Sensor 
1.  Refer to section 3.1 to remove the top cover. 
2.  Remove the sensor connector from the main PC board. 
3.  Use the Phillips screwdriver to remo ve the 2 screws from the mylar sheet. 
4.  Remove the mylar sheet. 
 
 
 
5.  Use the Phillips screwdriver to remo ve the screw from the sensor plate. 
6.  Remove the sensor plate. 
 
 
 
7.  Remove the black mark sensor. 
 
 
 
Sensor Connector (JP17)
Main PC Board
T-1.5x4 Screw
Sensor Plate
Mylar Sheet
Black Mark Sensor
FLT-3x6 Screw  
						

							3. REPLACING THE IMPORTANT PARTS EO18-33025 
(Revision Date: Mar. 27, 2009) 
3.11 Replacing the Black Mark Sensor
 
3-23 
 
8.  Replace the black mark sensor with a new one, then reassemble in the reverse order 
of removal. 
 
 
 
9.  After replacing, perform a black mark sensor calibration with the button of the printer or 
the B-EV4 Setting Tool.    Failure to do this may cause a sensor error. 
Regarding the calibration with the button of the printer, refer to the Owner’s Manual.     
Regarding the calibration with the B-EV4 Setting Tool, refer to the B-EV4 Setting Tool 
Specification posted on the Barcode Knowledge Pot. 
  URL of Barcode Knowledge Pot   
 http://barcode.toshibatec.co.jp/Ris/products/barcode/support/en/index.php 
 
10.  Also, make sure the black mark sensor performs correctly for the following points. 
 •  When the PC connected to the printer sends sample data to the printer, printing is 
performed correctly. (Specify the black mark sensor as the media sensor.) 
 • When the [FEED] button is pressed during the unloading of a media, the status lamp 
flashes in red. 
 
 
  
						

							3. REPLACING THE IMPORTANT PARTS EO18-33025 
(Revision Date: Mar. 27, 2009) 
3.12 Replacing the Feed Gap Sensor (Lower)
 
3-24 
3.12 Replacing the Feed Gap Sensor (Lower) 
1.  Refer to section 3.1 to remove the top cover. 
2.  Use the Phillips screwdriver to remove the 2 screws from the mylar sheet. 
3.  Remove the mylar sheet. 
 
 
4.  Remove the sensor connector from the main PC board. 
5.  Use the Phillips screwdriver to remove the screw from the sensor plate. 
6.  Remove the sensor plate. 
7.  Remove the feed gap sensor (lower). 
 
 
 
 
 
 
8.  Replace the feed gap sensor (lower) with a new one, then reassemble in the reverse 
order of removal. 
 
 
 
 
 
 
 
 
 
Sensor Connector 
(JP29) 
Main PC 
Board 
Sensor plate
T-1.5x4 Screw
Feed Gap Sensor (lower)
Mylar Sheet
FL
T-3x6 Screw 
						

							3. REPLACING THE IMPORTANT PARTS EO18-33025 
(Revision Date: Mar. 27, 2009) 
3.12 Replacing the Feed Gap Sensor (Lower)
 
3-25 
9.  After replacing, perform a feed gap sensor (lower) calibration with the button of the 
printer or the B-EV4 Setting Tool.  Failure to do this may cause a sensor error.  
Regarding the calibration with the button of the printer, refer to the Owner’s Manual.   
Regarding the calibration with the B-EV4 Setting Tool, refer to the B-EV4 Setting Tool 
Specification posted on the Barcode Knowledge Pot. 
  URL of Barcode Knowledge Pot 
 http://barcode.toshibatec.co.jp/Ris/products/barcode/support/en/index.php 
 
10.  Also, make sure the feed gap sensor performs correctly for the following points. 
 •  When the PC connected to the printer sends sample data to the printer, printing is 
performed correctly. (Specify the feed gap sensor as the media sensor.) 
 • When the [FEED] button is pressed during the unloading of a media, the status lamp 
flashes in red. 
 
 
 
 
  
						

							3. REPLACING THE IMPORTANT PARTS EO18-33025 
(Revision Date: Mar. 27, 2009) 
3.13 Replacing the Feed Gap Sensor (Upper)
 
3-26 
3.13 Replacing the Feed Gap Sensor (Upper) 
1.  Refer to section 3.1 to remove the top cover. 
2.  Refer to section 3.2 to remove the lower cover. 
3.  Remove the sensor connector from the main PC board. 
 
 
 
4.  Use the Phillips screwdriver to remove the screw from the sensor plate. 
5.  Remove the sensor plate. 
 
 
 
6.  Remove the feed gap sensor (upper). 
 
 
 
 
 
Sensor Plate
Feed Gap Sensor (Upper)
T-1.5x4 Screw Sensor Connecto
r
(JP34) 
Main PC Board 
						

							3. REPLACING THE IMPORTANT PARTS EO18-33025 
(Revision Date: Mar. 27, 2009) 
3.13 Replacing the Feed Gap Sensor (Upper)
 
3-27 
7.  Replace feed gap sensor (upper) with a new one, then reassemble in the reverse order 
of removal. 
 
 
 
8.  After replacing, perform a feed gap sensor (upper) calibration with the button of the 
printer or the B-EV4 Setting Tool.  Failure to do this may cause a sensor error.  
Regarding the calibration with the button of the printer, refer to the Owner’s Manual.   
Regarding the calibration with the B-EV4 Setting Tool, refer to the B-EV4 Setting Tool 
Specification posted on the Barcode Knowledge Pot. 
  URL of Barcode Knowledge Pot 
 http://barcode.toshibatec.co.jp/Ris/products/barcode/support/en/index.php 
 
9.  Also, make sure the feed gap sensor performs correctly for the following points. 
 •  When the PC connected to the printer sends sample data to the printer, printing is 
performed correctly. (Specify the feed gap sensor as the media sensor.) 
 • When the [FEED] button is pressed during the unloading of a media, the status lamp 
flashes in red. 
 
 
  
						

							4. TROUBLESHOOTING EO18-33025 
 
4.1 LED Status
 
4-1 
4. TROUBLESHOOTING 
The following guide lists the most common problems that might be encountered when operating this bar 
code printer. If the printer still does not function after all suggested solutions have been invoked, please 
contact the Customer Service Department of your purchased reseller or distributor for assistance. 
 
4.1 LED Status 
This section lists the common problems that according to the LED status and other problems you may 
encounter when operating the printer. Also, it provides solutions. 
 
LED Status / Color  Printer Status  Possible Cause Recovery Procedure 
OFF No response No power * Turn on the power switch. 
* Check if the green LED is lit on power supply. If it 
is not lit on, power supply is broken. 
* Check both power connections from the power 
cord to the power supply and from the power 
supply to the printer power jack if they are 
connected securely. 
Solid Green  ON  The printer is ready 
to use * No action necessary. 
Green with blinking  Pause The printer is paused * Press the FEED button to resume for printing. 
Red with blinking  Error The out of label or 
ribbon or the printer 
setting is not correctOut of label or ribbon 
* Load a roll of label and follow the instructions in 
loading the media then press the FEED button to 
resume for printing. 
* Load a roll of ribbon and follow the instructions in 
loading the ribbon then press the FEED button to 
resume for printing.