Alpha Vision Tech Slow Cooker Alpha 3R User Manual

Alpha-3R  
Direct Thermal Portable Printer  
SERVICE  
MANUAL  
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1. FUNDAMENTAL OF THE SYSTEM  
1.1 Overview  
Front View  
1
2
3
5
4
6
1. LED indicator  
2. Feed button  
3. Power on/off button  
4. Media cover release button  
5. Media holder adjustment knob  
6. Media cover  
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Interior View  
2
1
3
4
5
1. Tear edge  
2. Print head  
3. Media holder  
4. Platen  
5. Black mark sensor  
3
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Rear View  
1
2
3
5
4
1. Li-ion battery  
2. Battery open clasp  
3. USB interface  
4. Power jack  
5. Interface cover  
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2. ELECTRONICS  
2.1Summary of Board Connectors  
Main board top  
1
2
3
5
4
6
7
8
9
Connector  
Description  
1
2
LED & KEY board  
WiFi or Bluetooth module connector  
3
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Pin  
1
Description  
3.3V  
2
BT/WiFi Reset  
BT RXD  
3
4
BT RTS  
5
BT TXD  
6
BT CTS  
7
WiFi wake up  
WiFi TCP  
BT/WiFi Switch  
GND  
8
9
10  
Stepping motor  
Pin  
Description  
OUT1  
1
2
3
4
3
OUT2  
OUT1  
OUT2  
Download F/W connector  
Pin  
1
Description  
3.3V  
2
GND  
3
RESET  
BMS  
4
4
5
NPCS0  
MOSI  
6
7
MISO  
8
SPCK  
Head open sensor  
Pin  
1
Description  
HEAD  
5
2
GND  
6
7
8
USB & RS 232 connector  
12V DC IN  
TPH connector  
4
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Paper sensor  
Pin  
1
Description  
3.3V  
9
2
BM_E  
BM_R  
3.3V  
3
4
5
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Main board bottom  
1
Connector Description  
1
Battery connector  
6
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3. MECHANISM  
3.1 Replacing the Platen Roller (Including media cover)  
1. Remove two screws from the back of the printer and two screws from the front of  
the printer.  
2. Take the printer top cover off.  
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3. Use a tool to remove the shaft. Remove/Replace the media cover. (including the  
platen roller assy)  
4. Reassemble the parts in the reverse procedures.  
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3.2 Replacing the Keys Control Board  
1. Refer to section 3.1 to remove the printer top cover.  
2. Remove two screws on the keys control board.  
3. Loosen the connector lock then disconnect the flat cable from the keys control board.  
Remove/Replace the keys control board.  
4. Reassemble the parts in the reverse procedures.  
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3.3 Replacing the Bluetooth Module (Option)  
1. Refer to section 3.2 to remove the keys control board.  
2. Remove two screws on the Bluetooth control board.  
3. Disconnect the connector on the board.  
4. Reassemble the parts in the reverse procedures.  
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3.4 Replacing the Media Holder Assembly  
1. Remove two screws and media holder adjustment knob.  
2. Take the interior mechanism from the printer bottom cover.  
3. Plug the media holder adjustment knob to rotate the media holder to the closest position  
and remove a screw on the other side.  
.
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4. Take the media holder assembly from the mechanism.  
5. Reassemble the parts in the reverse procedures.  
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3.5 Replacing the Main Board Assembly  
1. Refer to section 3.2 to section 3.4 to remove key control board, Bluetooth control board  
(option), and the media holder assembly.  
2. Remove two screws from the back of interior mechanism and disconnect all the  
connectors on the main board assembly.  
3. Reassemble the parts in the reverse procedures.  
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3.6 Replacing the Print Head Assembly  
1. Refer to section 3.2 to section 3.5 to remove key control board, Bluetooth control board  
(option), the media holder assembly, and main board assembly.  
2. Use the long-nose pliers to remove two spring torsions on each side.  
3. Take the gear holder and the gear, and push the print head holder on the each side to  
remove the print head assembly.  
Gear holder  
Gear  
4. Reassemble the parts in the reverse procedures.  
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3.7 Replacing the Stepping Motor  
1. Refer to section 3.4 and section 3.5 to remove media holder assembly and main board  
assembly.  
2. Remove the gear holder and two gears.  
Gear holder  
Gears  
3. Remove two screws.  
4. Reassemble the parts in the reverse procedures.  
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3.8 Replacing the black mark sensor assembly  
1. Refer to section 3.2 to section 3.5 to remove key control board, Bluetooth control board  
(option), the media holder assembly, and main board assembly.  
2. Remove a screw and replace the black mark sensor.  
Black mark sensor  
assembly  
3. Reassemble the parts in the reverse procedures.  
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3.9 Replacing the WiFi Module (Option)  
1. Refer to section 3.2 to remove the keys control board.  
2. Remove two screws on the board.  
3. Refer to section 3.5 to remove the main board assembly.  
4. Replace the WiFi control board.  
5. Reassemble the parts in the reverse procedures.  
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4. TROUBLESHOOTING  
4.1 Common Problems  
The following guide lists the most common problems that may 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.  
Problem  
Power indicator does not  
illuminate  
Possible Cause  
Recovery Procedure  
* Reinstall the battery.  
* Switch the printer on.  
* Charge the battery.  
* The battery is not properly  
installed.  
* The battery is dead.  
- The printer status from  
DiagTool shows Head  
Open.  
* The printer carriage is open. * Please close the print carriage.  
* Running out of media roll.  
* Supply a new media roll.  
* The media is installed  
* Please refer to the steps on section 3.4 to  
incorrectly.  
* Black mark sensor is not  
* Calibrate the black mark sensor.  
calibrated.  
- The printer status from  
DiagTool shows Out of  
Paper..  
reinstall the media roll.  
* Black mark sensor is not set  
properly.  
* Calibrate the black mark sensor.  
* Make sure media size is set  
* Set media size correctly.  
properly.  
- The printer status from  
DiagTool shows Paper Jam.  
* Media may be stuck inside  
the printer mechanism.  
* Delete unused files in the FLASH/DRAM.  
* The max. numbers of DRAM is 256 files.  
* The max. user addressable memory space  
of DRAM is 256KB.  
* The max. numbers of file of FLASH is 256  
files.  
Memory full  
* The space of FLASH/DRAM  
is full.  
( FLASH / DRAM )  
* The max. user addressable memory space  
of FLASH is 2560KB.  
* Media is loaded incorrectly  
* Dust or adhesive  
accumulation on the print  
head.  
* Print density is not set  
properly.  
* Reload the supply.  
* Clean the print head.  
* Clean the platen roller.  
* Adjust the print density and print speed.  
* Run printer self-test and check the print  
head test pattern if there is dot missing in  
the pattern.  
Poor Print Quality  
* Printhead element is  
damaged.  
* Change proper media roll.  
Missing printing on the left or  
right side of label  
* Wrong label size setup.  
* Set the correct label size.  
* The print head is dirty.  
* The platen roller is dirty.  
* Clean the print head.  
* Clean the platen roller.  
Gray line on the blank label  
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* The printer is in Hex Dump  
mode.  
* The RS-232 setting is  
incorrect.  
* Turn off and on the printer to skip the  
dump mode.  
* Re-set the Rs-232 setting.  
Irregular printing  
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5. Maintenance  
This session presents the clean tools and methods to maintain your printer.  
1. Please use one of following material to clean the printer.  
Cotton swab  
Lint-free cloth  
Vacuum / Blower brush  
100% ethanol  
2. The cleaning process is described as following,  
Printer Part Method  
1. Always turn off the printer before Clean the print head when changing a new  
Interval  
cleaning the print head.  
2. Allow the print head to cool for a  
minimum of one minute.  
3. Use a cotton swab and 100%  
ethanol to clean the print head  
surface.  
label roll  
Print Head  
1. Turn the power off.  
Clean the platen roller when changing a  
2. Rotate the platen roller and wipe it new label roll  
thoroughly with 100% ethanol and  
Platen Roller  
a cotton swab, or lint-free cloth.  
Use the lint-free cloth with 100%  
ethanol to wipe it.  
As needed  
Tear Bar/Peel Bar  
Sensor  
Exterior  
Interior  
Compressed air or vacuum  
Monthly  
Wipe it with water-dampened cloth  
As needed  
As needed  
Brush or vacuum  
Note:  
Do not touch printer head by hand. If you touch it careless, please use ethanol to clean it.  
Please use 100% Ethenol. DO NOT use medical alcohol, which may damage the printer head.  
Regularly clean the print head and supply sensors once change a new ribbon to keep printer  
performance and extend printer life.  
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Revise History  
Date  
Content  
Editor  
Camille  
2013/11/4  
Modify some pictures for label model  
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Corporate Headquarters  
Li Ze Plant  
9F., No.95, Minquan Rd., Xindian Dist.,  
New Taipei City 23141, Taiwan (R.O.C.)  
TEL: +886-2-2218-6789  
No.35, Sec. 2, Ligong 1st Rd., Wujie Township,  
Yilan County 26841, Taiwan (R.O.C.)  
TEL: +886-3-990-6677  
FAX: +886-2-2218-5678  
FAX: +886-3-990-5577  
E-mail: printer_sales@tscprinters.com  
TSC Auto ID Technology Co., Ltd.  
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