Rev. A Product Overview Appendix D-3
TM-H6000/H6000P Service Manual
Confidential
Movement of main print head unit
When the carriage motor rotates the carriage motor gear in the direction indicated by the white
arrow, the driving force is sequentially transmitted to the carriage feed pulley and carriage
transmission belt, moving the head carriage assembly, which is fixed to the carriage
transmission belt, in the direction indicated by the white arrow.
Figure D-5
Printing operation
Wire movement when printing one dot
1. When the prescribed electrical pulse is applied to the drive coil, the steel core is excited, and
the operation plate is pulled in the direction indicated by black arrow. At this time, the dot
wire is pressed against the operation plate by the force of the wire return spring. The force
of the operation plate causes the dot wire to be pushed out towards the platen (in the
direction indicated by black arrow).
2. One dot is printed by the dot wire when it is pushed out and strikes the platen through the
ink ribbon and paper.
Carriage feed pulley
Carriage motor gear
Main print head unit
Carriage transmission belt
Head carriage assembly
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