Epson Stylus CX3700 - Page 124

EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850 Revision A
DISASSEMBLY/ASSEMBLY Printer Section 124
4.4.20 Paper Guide Upper Unit
 External view
Figure 4-36. Removing Paper Guide Upper Unit
 Part/Unit
that should be removed before removing Paper Guide Upper Unit
Document Cover / Paper Support Assy. / Scanner Unit / Panel Unit /
Housing Upper / Printer Mechanism / Main Board Unit / CR Guide Frame /
CR Motor / Carriage Unit
 Removal procedure
1. Set a
transparency sheet.
2. Release the guide pins
(2 each, ) that secure the Paper Guide Upper Unit
(x3), and remove the Paper Guide Upper Unit (x3) along with Torsion Spring
75.35 (1 each) from the Main Frame.
Paper Guide Upper Unit
Transparency
12
Torsion Spring 75.35
Approx. 1 - 1.5 mm
Guide Pins
Tabs
Rib
Reassembly of the Paper Guide Upper Unit
1. Set Torsion Spring 75.35 onto the Paper Guide Upper Unit.
2. Temporarily place the tabs (x2, ) of the Paper Guide
Upper
Unit onto the Main Frame in order as shown in the
figure.
3. Insert the coil section of Torsion Spring 75.35 into the rib.
4. Align the positioning holes (x2) of the Main Frame
with the
guide pins (x2, ) of the Paper Guide Upper Unit, and set
the Paper Guide Upper Unit al
ong with Torsion Spring
75.35.
5. Pull the coil section of Torsion Spring 75.35 toward you,
hold the margin at approximately 1~1.5 mm, and eliminate
the gap with the Paper Guide Upper Unit.
A D J U S T M E N T
R E Q U I R E D
After removing/replacing the Paper Guide Upper Unit, perform the
following adjustment. (Refer to Chapter 5 “ADJUSTMENT”)
 “Top Margin Adjustment”