Epson Stylus Pro 4400 Service Manual page 315

EPSON Stylus Pro 4400/4450/4800/4880/4880C
When performing the following steps, be careful of the
C A U T I O N
points below.
Ink may leak or splatter, so have cleaning rags ready and
prevent ink from getting on the surrounding work area.
Prevent dust and dirt from getting inside the "Tube,
Supply, Ink".
22. Loosen the four "Coupling Screw, M7" securing the four "Tube, Supply,
Ink"s and then disconnect "Tube, Supply, Ink" from "I/H Right Unit".
Confirm that "O-Ring, Coupling M7" has been installed.
O-Ring, Coupling M7
The "Tube, Supply, Ink" has been marked with its color.
Install while confirming that the mark matches the
receptacle.
Use the following order to install the "Tube, Supply, Ink"
while routing it to the installation location.
LM (M)→ LC(C) →PK (MK) → LK (Y)
Refer to Figure 4-153
Ink".
Firmly insert "Tube, Supply, Ink" into receptacles and
tighten "Coupling Screw, M7".
To prevent ink leakage and damage on the Coupling
screw, be sure to tighten the "Coupling Screw, M7" with
the prescribed torque and the tool specified below.
• Tool: Torque Wrench 1.25/1.75 (1277142)
• Tightning torque: 1.25 ( ± 0.25) kgf • cm
Disassembly & Assembly
and properly route "Tube, Supply,
Disassembly Procedures
Locations where ink tubes are routed
Coupling Screw, M7
Tube, Supply, Ink
Figure 4-153. I/H Right Unit Removal
Revision C
315