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TTP-248M Bar Code Printer
Service Manual
2.3 Ribbon Specification
Item
Specification
Ribbon Shape
Spool type
Ribbon Width
25.4～114.3 mm
Ribbon Length
450 m
Diameter
Less than 3.5” ( 89 mm)
Roll Up Method
Print surface wound outside as standard.
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.
t4
)d(D
= L
22
,
where
L = Ribbon length
D = Max. roll diameter
d = Ribbon core outside diameter
t = Ribbon thickness