User's Manual
Table Of Contents
- 1 Product introduction
- 2 Printer installation
- 3 Printer operation
- 3.1 Print head pressure and pressure position adju
- 3.2 Sensor position adjustment
- 3.3 Function of indicator light, button and LCD
- 3.4 Function of calibration
- 3.5 Print settings
- 3.6 Physical distance setting
- 3.7 Serial interface settings
- 3.8 Network Settings
- 3.9 Parallel interface settings
- 3.10 Date and time
- 3.11 Offline printing
- 3.12 Service
- 3.13 Consumables library
- 3.14 File operation
- 3.15 Printer debugging
- 3.16 Sensor settings
- 4 Routine maintenance
- 5 Troubleshooting
- Appendix
- Appendix 1 Technical specification
- Appendix 2 Self-test page
- Appendix 3 Print and paper output position
- Appendix 4 Communication interface
- Appendix 5 Guide for paper loading under peel-off
- Appendix 6 Guide for paper loading under label rew
- Appendix 7 Guide for paper loading under cutter mo
- Appendix 8 Menu on human-machine interface
- Appendix 9 FCC statement
BTP-7400 User’s Manual
- 57 -
Fig. 4.2.2(Sectional view)
4.3 Cleaning the platen roller
When any of the following cases occurs, the platen roller should be
cleaned:
Printout is not clear;
Feed and retract paper with big noise;
Something else sticks onto the platen roller.
Follow the steps below to clean the platen roller:
1) Turn off the printer and open the right cover;
2) Lift up the print head module and find out the platen roller. Wait
for the platen roller to cool down completely if it has just finished
the printing;;
3) Wipe off the dust and stains on the surface of the platen roller
with alcohol cotton ball (it should be wrung out) while rotating
the platen roller;
4) Wait for 5 to 10 minutes until the alcohol evaporates completely,