TTP-248M Bar Code Printer
Service Manual
2.3 Ribbon Specification
Item | Specification |
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Ribbon Shape | Spool type |
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Ribbon Width | 25.4～114.3 mm |
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Ribbon Length | 450 m |
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Diameter | Less than 3.5” ( 89 mm) |
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Roll Up Method | Print surface wound outside as standard. |
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Note: The maximum length of ribbon depends on its thickness and core outside diameter.
The formula below defines the correlation between ribbon roll length and ribbon core diameter.
L = | (D2 | − d2 ) × π | where |
| 4t | ||
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| , | |
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L = Ribbon length
D = Max. roll diameter
d = Ribbon core outside diameter t = Ribbon thickness
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