Epson Stylus CX3700 - Page 128

EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850 Revision A
DISASSEMBLY/ASSEMBLY Printer Section 128
4.4.24 PF Roller Unit
 External view (1)
Figure 4-40. Removing PF Roller Unit (1)
 Part/Unit
that should be removed before removing PF Roller Unit
Document Cover / Paper Support Assy. / Scanner Unit / Panel Unit /
Housing Upper / Print Head/ Printer Mechanism / Main Board Unit /
ASF Unit / Holder Shaft Unit / CR Guide Frame / CR motor / Carriage Unit /
Paper Guide Upper Unit / EJ Frame Unit / Ink System Unit /
Paper Guide Front Unit / PG Sensor
 Removal procedure
1. Release the PF Ground
ing Spring from the notch of the Main Frame with a
tweezer, and remove the PF Grounding Spring from the PF Roller Unit.
2. Release the guide pin
(x1, ) of Bush 10 (Left) from the Main Frame, and
rotate Bush 10 (Left) to the position shown by the figure.
3. Release the guide pin
(x1, ) of Bush 10 (Right) from the Main Frame, and
rotate Bush 10 (Right) to the position shown by the figure
4. Slid
e the PF Roller Unit toward left, and release the tabs (x1, ) of Bush 10
(Left/Right).
5. Rem
ove the PF Roller Unit along the notch at the left end of the Main Frame.
PF Grounding Spring Notch
Groove
Guide Pin
Bush 10 (Left)
Guide Pin
Bush 10 (Right)
Rear
S-shape
1
2
Notch
Tab
PF Roller Unit
Coated Area of PF Roller Unit
Tab
Tab
C A U T I O N
Do not touch or damage the coated area of the PF Roller Unit when
performing the following work.
Hitch the PF Grounding Spring to the groove of the PF Roller Unit.
A D J U S T M E N T
R E Q U I R E D
 After changing the PF Roller Unit for a new one, always apply
grease G-26 to the specified parts.
• Refer to Figure 6-13 (p153) and Figure 6-14 (p154) for
details.
 After replacing the PF Roller
Unit, perform the adjustment in
the following order. (Refer to Chapter 5 “ADJUSTMENT”)
• “PF Scale Sensor Positioning Adjustment”