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