Thermal Head; Platen Roller Option (Signature) - Digi 700 Series Service Manual

Thermal head

Thermal head fitted to labeller is either:
KD3003-DC72B – 80mm wide with dot pitch of 11.8 dots per mm (standard fitment)
Or
KF3004-GM50D – 108mm wide with dot pitch of 11.8 dots per mm
The head has a history control and driver LSI which has the function of thermal historical control of the
temperature / power required for each head dot.
Classic labeller
80mm thermal head
Connector A (data)
108mm thermal head
Signature
labeller
Near edge print
assembly
Connector B (+25v)
HI, MI, WI-700 service manual - 2 - component parts
Parameter
Effective print
width
Dot pitch
Total number of
dots
Average re-
sistance value
Applied voltage
2-40
Platen roller
assembly
80mm 108mm
81.312mm 108.416mm
0.0847mm 0.0847mm
960 dots 1280 dots
1250Ω 1250Ω
25v 25v
Issue 9 04/2020