User's Manual
Table Of Contents
- 1. FUNDAMENTAL OF THE SYSTEM
- 2. ELECTRONICS
- 3. MECHANISM
- 3.1 Replacing the Platen Roller (Including media cover)
- 3.2 Replacing the Keys Control Board
- 3.3 Replacing the Bluetooth Module (Option)
- 3.4 Replacing the Media Holder Assembly
- 3.5 Replacing the Main Board Assembly
- 3.6 Replacing the Print Head Assembly
- 3.7 Replacing the Stepping Motor
- 3.8 Replacing the black mark sensor assembly
- 3.9 Replacing the WiFi Module (Option)
- 4. TROUBLESHOOTING
- 5. Maintenance
- Revise History
16
3.8 Replacing the black mark sensor assembly
1. Refer to section 3.2 to section 3.5 to remove key control board, Bluetooth control board
(option), the media holder assembly, and main board assembly.
2. Remove a screw and replace the black mark sensor.
3. Reassemble the parts in the reverse procedures.
Black mark sensor
assembly