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Alpha Vision Tech Alpha-3R Fundamental Of The System, Overview, Front View, Power on/off button

Models: Alpha-3R

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1. FUNDAMENTAL OF THE SYSTEM

1. FUNDAMENTAL OF THE SYSTEM

1.1 Overview

Front View

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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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Alpha Vision Tech Alpha-3R service manual Fundamental Of The System, Overview, Front View, LED indicator 2.Feed button

Contents

MANUAL SERVICEAlpha-3R Direct Thermal Portable Printer5. Maintenance Contents1. FUNDAMENTAL OF THE SYSTEM 1.LED indicator 2.Feed button3.Power on/off button 5.Media holder adjustment knob 6.Media coverInterior 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 BM E Paper sensorDescription 3.3VDescription Main board bottomConnector Battery connector2. 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 4. Reassemble the parts in the reverse procedures 3.7 Replacing the Stepping Motor2.Remove the gear holder and two gears Gear holder Gears 3. Remove two screws3.8 Replacing the black mark sensor assembly Black mark sensor assembly3. Reassemble the parts in the reverse procedures 2.Remove two screws on the board 3.9 Replacing the WiFi Module Option4.Replace the WiFi control board 5.Reassemble the parts in the reverse procedures4.1 Common Problems 4.TROUBLESHOOTINGThe printer is in Hex Dump mode The RS-232setting is incorrectRe-setthe Rs-232setting Irregular printing Vacuum / Blower brush  100% ethanol 5.Maintenance2.The cleaning process is described as following  Lint-freeclothEditor Revise HistoryContent Date