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Alpha Vision Tech
Alpha-3R service manual Reassemble the parts in the reverse procedures
Models:
Alpha-3R
1
15
25
25
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Troubleshooting
Maintenance
Replacing the Media Holder Assembly
Reassemble the parts in the reverse procedures
Media holder adjustment knob 6.Media cover
Li-ionbattery 2.Battery open clasp
The RS-232setting is incorrect
Bluetooth
Wi-Fi
Service
Page 15
Image 15
4. Take the media holder assembly from the mechanism.
5. Reassemble the parts in the reverse procedures.
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Image 15
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Contents
MANUAL
SERVICE
Alpha-3R
Direct Thermal Portable Printer
5. Maintenance
Contents
1. FUNDAMENTAL OF THE SYSTEM
1.LED indicator 2.Feed button
3.Power on/off button
5.Media holder adjustment knob 6.Media cover
Interior View
1.Tear edge 2.Print head 3.Media holder 4.Platen
5.Black mark sensor
1.Li-ionbattery 2.Battery open clasp
3.USB interface 4.Power jack 5.Interface cover
Rear View
2.1 Summary of Board Connectors
2. ELECTRONICS
Main board top
Description
BM E
Paper sensor
Description
3.3V
Description
Main board bottom
Connector
Battery connector
2. Take the printer top cover off
3. MECHANISM
4. Reassemble the parts in the reverse procedures
3.2 Replacing the Keys Control Board
2.Remove two screws on the keys control board
4. Reassemble the parts in the reverse procedures
3.3 Replacing the Bluetooth Module Option
3. Disconnect the connector on the board
4. 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 Motor
2.Remove the gear holder and two gears
Gear holder Gears 3. Remove two screws
3.8 Replacing the black mark sensor assembly
Black mark sensor assembly
3. Reassemble the parts in the reverse procedures
2.Remove two screws on the board
3.9 Replacing the WiFi Module Option
4.Replace the WiFi control board
5.Reassemble the parts in the reverse procedures
4.1 Common Problems
4.TROUBLESHOOTING
The printer is in Hex Dump mode
The RS-232setting is incorrect
Re-setthe Rs-232setting
Irregular printing
Vacuum / Blower brush 100% ethanol
5.Maintenance
2.The cleaning process is described as following
Lint-freecloth
Editor
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Content
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