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...

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...

3. REPLACING THE IMPORTANT PARTS EO18-33025 
(Revision Date: Mar. 27, 2009) 
3.10 Replacing the Ribbon Sensor (B-SV4T model only)
 
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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...

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...

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...

3. REPLACING THE IMPORTANT PARTS EO18-33025 
(Revision Date: Mar. 27, 2009) 
3.12 Replacing the Feed Gap Sensor (Lower)
 
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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...

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...

3. REPLACING THE IMPORTANT PARTS EO18-33025 
(Revision Date: Mar. 27, 2009) 
3.13 Replacing the Feed Gap Sensor (Upper)
 
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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...

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....

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...