Overview and Operating Principle 1-15
Figure 1-17 Paper Free Operation
1.2.5 Ribbon Feeding
The ribbon feeding mechanism consists of the ribbon driving gear, ribbon feeding gear, spool
gear assembly and the ribbon cassette utilizing the endless ribbon. When the motor starts
rotating, the ribbon is fed automatically. The mechanism is shown in Fig. 1.18.
Feeding ribbon
When the unique shape ribbon driving gear rotates in the direction of arrow (a) in the figure
below, the ribbon feeding gear which matches up with the bevel gear and small gear rotates in
the direction of arrow (b) in the Fig. below. Also, the spool gear which engages with the ribbon
a
b
c
Cam A
Cam
Release lever shaft
Gear, paper feeding drive
Gear, paper feeding
Lever, release
Model M190G Technical Manual
This unit stops in the paper free state during the normal operation (under the conditions
specified in the specifications). In this state paper can be removed easily from the unit in either
in the paper feed or reverse paper feed direction, or else the paper can be fed in either direction
by the manual knob.
