Epson Stylus Pro 7400, Service Manual

Page: 251 / 428

EPSON Stylus Pro 7400/7800/9400/9800 Revision B
Disassembly & Assembly Disassembly Procedure 251
4.2.5.7 SCALE, CR
1. Remove the L Side Cover Assy. See Section 4.2.3.5 on page 224.
2. Unlock the CARRIAGE ASSY. and move the unit to the center. See Section on
page 215.
3. Remove the CR SCALE SPRING from the notch of the frame, and remove the
spring from the hole of the SCALE, CR.
4. Release the SCALE, CR from the hooked tab each on the three SCALE CENTER
GUIDE C, and carefully pull out the SCALE, CR rightward from the inner side of
the CARRIAGE ASSY.
5. Release the right edge of the SCALE, CR from the hooked tab on the frame, and
pull out the SCALE, CR from the FENCE GUIDE R.
Figure 4-73. Removing the SCALE, CR
C A U T I O N
When performing the following steps, be careful not to touch the
SCALE, CR with bare hands or get it soiled with ink. Also be
extremely careful not to scratch it by, for example, hitting it against
frames. Any dirt or scratches on the SCALE, CR may cause a
malfunction of the CR Encoder Sensor.
C H E C K
P O I N T
When removing the SCALE, CR of the Stylus Pro 7400/7800,
release it from a hooked tab on the left SCALE CENTER GUIDE
C, then follow the same procedure described above.
SCALE CENTER GUIDE C
Hooked tab
CR SCALE
SPRING SCALE, CR
Hole Notch
SCALE CENTER
GUIDE C
Hooked tab
FENCE GUIDE R
Hooked tab