Ribbon Cartridge Drive Mechanism; External Connection Terminals; Terminal Arrangement - Casio MD-910 Technical Manual

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2-3-5 Ribbon cartridge drive mechanism

The PF cam gear that drives paper feed-
ing is also used to turn the ribbon cartridge.
The driving force of the PF cam gear is
transmitted to the worm where the direc-
tion of operation is changed 90 °.
The driving force converted is transmitted
from the worm to the worm gear and the
ribbon cartridge is turned by the ribbon
drive pin. Therefore, the ribbon cartridge
is always moving while printing is being
performed.
2-4

External connection terminals

External connection terminals are located within the PCB terminal assembly and their connections
are implemented by directly soldering the print pattern surface.

2-4-1 Terminal arrangement

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