Epson FX-2180 - Impact Printer, Руководство по обслуживанию

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FX-2180 Service Manual Disassembly and Assembly
Rev. A
4-9
4.2.5 Removing the PW Sensor Assembly
1. Remove the printer cover and ribbon cartridge. (Refer to Section 4.2.1.)
2. Remove the CB screw (2.5
×
5) securing the PW sensor to the ribbon
mask holder.
3. Release three clips of CR cover securing it to CR assembly from the
bottom of CR Assembly, and pick up the cover a little.
4. Remove the FFC from the PW sensor connector, mounted onto the CR
cover.
5. Remove the PW sensor assembly along with the CR cover by pushing
and releasing a clip for the CR cover, as shown in the following figure.
P W S e n s o r A s s e m b l y
C B ( 2 x 5 )
C R C o v e r
C R A s s e m b l y
P W S e n s o r F F C
Figure 4-8. Removing the PW Sensor Assembly
$'-8670(17
Replacing the PW sensor assembly, reset the TPE
level. (Refer to Chapter 5.)
CHECK POINT
9
„ „
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 clear,
abnormal operations may occur, such as
printing on the platen surface.
„
„
The tightening torque for the CB screw(2.5
××
5) :
0.08
∼∼
0.12 Nm (0.8
∼∼
0.12 Kgf-cm)
C B S c r e w ( 2 . 5 X 5 F / Z n )
P W S e n s o r A s s e m b l y
R i b b o n M a s k H o l d e r
P W s e n s o r v i e w e d t h r o u g h
t h e R i b b o n M a s k H o l d e r
B o l d P e r f o r a t e d l i n e s S h o w t h e G r o o v e s .
M i c r o P h o t o S e n s o r
Figure 4-9. Mounting Position for the PW Sensor Assembly