Ribbon Feed Mechanism Unit - Casio UP-250 Technical Manual

During printing, the paper feed motor is driven after each line is printed, causing the paper to be
fed a specified amount. While the FEED button on the control panel is pressed, the paper feed
motor is driven and the paper roll is fed.
Paper hold roller

Ribbon Feed Mechanism Unit

The ribbon feed mechanism unit consists of the parts shown in the figure below. The printer
feeds the ribbon automatically as the carriage motor rotates.
Ribbon frame
assembly
Paper roll
Paper feed roller
Figure 2-8 Paper feeding
Ribbon cassette
Ribbon drive
plate assembly
Figure 2-9 Ribbon feed mechanism unit
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Paper feed
motor gear
Paper feed
reduction gear
Paper feed gear
Ribbon intermediate gear
Ribbon take-up
assembly
Ribbon transmission
gear