Panasonic KX-FP81BX Service Manual page 146

KX-FP81BX / KX-FP81CX / KX-FP82CX
C. Receive mode (See Fig. C.) :
After paper pick up mode, Swing Gear B engages Gear C and conveys its power to the Platen Roller Gear and Ink Ribbon Drive
Gear through Platen Drive Gear. Then, the Platen Roller feeds recording paper for printing the received data.
Fig. C: Receive mode
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