EPSON Stylus CX4100/CX4200/CX4700/CX4800/DX4200/DX4800/DX4850 Revision A
DISASSEMBLY/ASSEMBLY Printer Section 162
4.4.26 PF Roller Unit
External view (1)
Figure 4-46. 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 / Front Frame / EJ Frame Unit / Ink System Unit /
Paper Guide Front Unit / PG Sensor
Removal procedure
1. Release the PF Grounding 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. Slide the PF Roller Unit toward left, and release the tabs (x1, ) of Bush 10
(Left/Right).
5. Remove the PF Roller Unit along the notch at the left end of the Main Frame.
Bush 10 (Left)
PF Grounding Spring
Groove
Notch
Guide Pin
Bush 10 (Right)
Guide Pin
Rear
S-shape
PF Roller Unit
Notch
Coated Area of PF Roller Unit
1
2
Tab
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 (p192) and Figure 6-14 (p193) 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”
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