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Alpha Vision Tech Alpha-3R service manual Rear View, Li-ionbattery 2.Battery open clasp

Models: Alpha-3R

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Page 5

Rear View

Rear View

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1.Li-ion battery

2.Battery open clasp

3.USB interface

4.Power jack

5.Interface cover

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Image 5

Alpha Vision Tech Alpha-3R Rear View, Li-ionbattery 2.Battery open clasp, USB interface 4.Power jack 5.Interface cover

Contents

Alpha-3R SERVICEDirect Thermal Portable Printer MANUAL5. Maintenance Contents3.Power on/off button 1.LED indicator 2.Feed button5.Media holder adjustment knob 6.Media cover 1. FUNDAMENTAL OF THE SYSTEM5.Black mark sensor Interior View1.Tear edge 2.Print head 3.Media holder 4.Platen Rear View 1.Li-ionbattery 2.Battery open clasp3.USB interface 4.Power jack 5.Interface cover Main board top 2.1 Summary of Board Connectors2. ELECTRONICS Description Description Paper sensor3.3V BM EConnector Main board bottomBattery connector Description2. Take the printer top cover off 3. MECHANISM4. Reassemble the parts in the reverse procedures 4. Reassemble the parts in the reverse procedures 3.2 Replacing the Keys Control Board2.Remove two screws on the keys control board 4. Reassemble the parts in the reverse procedures 3.3 Replacing the Bluetooth Module Option3. Disconnect the connector on the board 3.4 Replacing the Media Holder Assembly 5. Reassemble the parts in the reverse procedures 3.5 Replacing the Main Board Assembly 3.6 Replacing the Print Head Assembly 2.Remove the gear holder and two gears 3.7 Replacing the Stepping MotorGear holder Gears 3. Remove two screws 4. Reassemble the parts in the reverse procedures3. Reassemble the parts in the reverse procedures 3.8 Replacing the black mark sensor assemblyBlack mark sensor assembly 4.Replace the WiFi control board 3.9 Replacing the WiFi Module Option5.Reassemble the parts in the reverse procedures 2.Remove two screws on the board4.1 Common Problems 4.TROUBLESHOOTINGRe-setthe Rs-232setting The RS-232setting is incorrectIrregular printing The printer is in Hex Dump mode2.The cleaning process is described as following 5.Maintenance Lint-freecloth  Vacuum / Blower brush  100% ethanolContent Revise HistoryDate Editor