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Alpha Vision Tech Alpha-3R service manual Revise History, Date, Content, Editor

Models: Alpha-3R

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Revise History

Date	Content	Editor
2013/11/4	Modify some pictures for label model	Camille

Page 24

Image 24

Alpha Vision Tech Alpha-3R service manual Revise History, Date, Content, Editor

Contents

SERVICE Alpha-3RDirect Thermal Portable Printer MANUALContents 5. Maintenance1.LED indicator 2.Feed button 3.Power on/off 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 Paper sensor Description3.3V BM EMain board bottom ConnectorBattery connector Description3. MECHANISM 2. Take the printer top cover off4. 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 3.7 Replacing the Stepping Motor 2.Remove the gear holder and two gearsGear 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 3.9 Replacing the WiFi Module Option 4.Replace the WiFi control board5.Reassemble the parts in the reverse procedures 2.Remove two screws on the board4.TROUBLESHOOTING 4.1 Common ProblemsThe RS-232setting is incorrect Re-setthe Rs-232settingIrregular printing The printer is in Hex Dump mode5.Maintenance 2.The cleaning process is described as following Lint-freecloth  Vacuum / Blower brush  100% ethanolRevise History ContentDate Editor