BP-900KII User's Manual
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Chapter 5 Maintenance and Troubleshooting
5.1 Cleaning the Printer
5.1.1 Replacing the Ribbon Cartridge
When the printing is faint, please replace the ribbon cartridge in time, or it may affect the printing result
and damage the print head. Please refer to chapter Installing the Ribbon Cartridge for detail
information.
5.1.2 Cleaning the Printer
Cleaning periodically and the cleaning tool
Periodical cleaning: every three months or every 300 working hours once.
Cleaning tool: dry cloth (please use soft cloth to clean metal parts.)
Clean the paper guide
Wipe off the wasted paper and clean the dirt and dust.
Clean the carriage shaft
There is a layer of oil cover on the carriage shaft which guarantees the carriage can run smoothly. But
the oil is easy to absorb dust, please clean it with soft cloth first, and then add appropriate high quality
bearing lube (NYE180 lube of NYE Company is recommended), move print head back and forth to
make lube scattered.
Clean the platen
Wipe off the wasted paper and clean the dust on the platen.
Clean the protect cover of photoelectric sensor
As the paper feed sensor is a correlation photoelectric sensor. You should clean the parts periodically.
Clean the surface of the photoelectric sensor’s protect cover every three months.
When the paper feed sensor can not detect the paper, please pull the buckles on both sides of the PF
part sideward, then turn over the PF part and clean the jammed paper and dust in it. Also, use the cloth
to clean the sensor protect cover on the front paper feed platform.
Figure 5-1 Cleaning the printer
Upper cover
Carriage shaft
Paper guide
