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Alpha Vision Tech
Alpha-3R service manual Irregular printing, The printer is in Hex Dump mode
Models:
Alpha-3R
1
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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 22
Image 22
Irregular printing
*
The printer is in Hex Dump mode.
*
The
RS-232
setting is incorrect.
*
Turn off and on the printer to skip the dump mode.
*
Re-set
the
Rs-232
setting.
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Page 22
Image 22
Page 21
Page 23
Contents
Direct Thermal Portable Printer
SERVICE
Alpha-3R
MANUAL
Contents
5. Maintenance
5.Media holder adjustment knob 6.Media cover
1.LED indicator 2.Feed button
3.Power on/off button
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
3.3V
Paper sensor
Description
BM E
Battery connector
Main board bottom
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
Gear holder Gears 3. Remove two screws
3.7 Replacing the Stepping Motor
2.Remove the gear holder and two gears
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
5.Reassemble the parts in the reverse procedures
3.9 Replacing the WiFi Module Option
4.Replace the WiFi control board
2.Remove two screws on the board
4.TROUBLESHOOTING
4.1 Common Problems
Irregular printing
The RS-232setting is incorrect
Re-setthe Rs-232setting
The printer is in Hex Dump mode
Lint-freecloth
5.Maintenance
2.The cleaning process is described as following
Vacuum / Blower brush 100% ethanol
Date
Revise History
Content
Editor