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Mount the PW sensor assembly onto the ribbon mask holder groove, aligning the bottom line of micro
photo sensor to the bottom line of the groove.
Whenever you remove the PW sensor assembly, clean the surface of the sensor by wiping it with a
soft material. If the surface is not clean, abnormal operations may occur, such as printing on the
platen surface.
The tightening torque for the CB screw (2.5 × 5, F/Zn) = 0.08 ~ 0.12 Nm (0.8 ~ 0.12 Kg f-cm)
When you replace the PW sensor assembly, reset the TPE level. Refer to Chapter 4.
CB Screw ( 2.5X5 F/Zn)
PW Sensor Assembly
Ribbon Mask Holder
View of PW Sensor
through Ribbon Mask Holder
Bold Perforated line is the Groove.
Micro Photo Sensor
Figure 3-10 Mounting Position for the PW Sensor Assembly
FX-2170 Service Manual Disassembly and Assembly
Rev.A 3-9