Epson Stylus Pro 4400 - Holder, Tube, a and Holder, Tube, B Separation

EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Disassembly & Assembly Disassembly Procedures 340
5. Loosen the "Coupling Screw, M7"s that secure the "Tube, Supply, Ink"s to
the "Head Unit" to draw out the "Coupling Screw, M7"s.
(Refer to Figure 4-192.)
6. Remove the "O-ring, Coupling M7"s and "Coupling Screw, M7"s from the
"Tube, Supply, Ink"s. (Refer to "4.2.8.2 Valve Assy., Head" (p291).)
7. Remove the five "Holder, FFC"s ("Holder, FFC; B").
(Refer to p325 and , p328.)
8. Remove "C593_SUB Board" (p234).
9. Remove the "Ink Tube Unit" from the "Carriage Unit".
(Refer to "4.2.7.1 Carriage Unit" (p266).)
10. Remove the screw that secures both the "Holder, Tube, A" and "Holder,
Tube, B", and separate the "Holder, Tube, A" from the "Holder, Tube, B".
 C.B.P. 3x8: 1 pc.
Figure 4-192. Coupling Screw, M7 Removal
Figure 4-193. Holder, Tube, A and Holder, Tube, B Separation
Hitch the two tabs on the "Holder, Tube, B" to the "Holder,
Tube, A" before tightening the screw.
Holder, Tube, A
Holder, Tube, B Tabs
LK LM LC LLK
Coupling Screws, M7
C.B.P. 3x8
Holder, Tube, B
Holder, Tube, A