Citizen CT-D150 Command Reference Manual page 450

<<Difference of MSW by the model>>
MSW4-4 and MSW4-5 are different by the model as follows.
Model
MSW4-4
MSW4-5
Standard
OFF
Thermal paper
OFF
Black mark detection
Black mark model
Black mark paper/
ON
Label paper
OFF
Black mark detection
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Label model
Black mark paper/
ON
Label paper
ON
Label detection