45
TTP-243 Bar Code Printer
Service Manua
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Fig. 4.12 Ribbon Sensor
Fig. 4.13 Spring Installation on Left Side and Right Side
Note: The left side spring and the right side spring are different in shape. The right
side spring has a straight end, when the left side spring has an end that is
curved 90 degrees.
16. The main mechanism is divided into upper mechanism and lower mechanism.
17. The ribbon sensor (receiver) is located in the upper mechanism.
18. Remove the screws on the ribbon sensor cover.
19. Replace with a new ribbon sensor PCB.
20. Reassemble the removed parts in the reverse order of removal.
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