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Alpha Vision Tech Alpha-3R Main board bottom, Connector, Description, Battery connector

Models: Alpha-3R

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Main board bottom

Main board bottom

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	Connector	Description
	Connector	Description

	1	Battery connector

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Image 9

Alpha Vision Tech Alpha-3R service manual Main board bottom, Connector, Description, Battery connector

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 SYSTEMInterior View 1.Tear edge 2.Print head 3.Media holder 4.Platen5.Black mark sensor 1.Li-ionbattery 2.Battery open clasp 3.USB interface 4.Power jack 5.Interface coverRear View 2.1 Summary of Board Connectors 2. ELECTRONICSMain board top 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 3.2 Replacing the Keys Control Board 2.Remove two screws on the keys control board4. Reassemble the parts in the reverse procedures 3.3 Replacing the Bluetooth Module Option 3. Disconnect the connector on the board4. Reassemble the parts in the reverse procedures 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 procedures3.8 Replacing the black mark sensor assembly Black mark sensor assembly3. Reassemble the parts in the reverse procedures 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