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Alpha Vision Tech Alpha-3R service manual Mechanism, Take the printer top cover off

Models: Alpha-3R

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3. MECHANISM

3. MECHANISM

3.1Replacing 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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Alpha Vision Tech Alpha-3R service manual Mechanism, Take the printer top cover off

Contents

Direct Thermal Portable Printer SERVICEAlpha-3R MANUALContents 5. Maintenance5.Media holder adjustment knob 6.Media cover 1.LED indicator 2.Feed button3.Power on/off button 1. FUNDAMENTAL OF THE SYSTEM1.Tear edge 2.Print head 3.Media holder 4.Platen Interior View5.Black mark sensor 3.USB interface 4.Power jack 5.Interface cover 1.Li-ionbattery 2.Battery open claspRear View 2. ELECTRONICS 2.1 Summary of Board ConnectorsMain board top Description 3.3V Paper sensorDescription BM EBattery connector Main board bottomConnector Description3. MECHANISM 2. Take the printer top cover off4. Reassemble the parts in the reverse procedures 2.Remove two screws on the keys control board 3.2 Replacing the Keys Control Board4. Reassemble the parts in the reverse procedures 3. Disconnect the connector on the board 3.3 Replacing the Bluetooth Module Option4. 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 Gear holder Gears 3. Remove two screws 3.7 Replacing the Stepping Motor2.Remove the gear holder and two gears 4. Reassemble the parts in the reverse proceduresBlack mark sensor assembly 3.8 Replacing the black mark sensor assembly3. Reassemble the parts in the reverse procedures 5.Reassemble the parts in the reverse procedures 3.9 Replacing the WiFi Module Option4.Replace the WiFi control board 2.Remove two screws on the board4.TROUBLESHOOTING 4.1 Common ProblemsIrregular printing The RS-232setting is incorrectRe-setthe Rs-232setting The printer is in Hex Dump mode Lint-freecloth 5.Maintenance2.The cleaning process is described as following  Vacuum / Blower brush  100% ethanolDate Revise HistoryContent Editor