Epson 4880 C Service Manual

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2914.2.8.2  Valve Assy., Head1. Remove the Carriage Cover.
(Refer to 4.2.4.3 C593_SUB Board (p234).)
2. Loosen the eight Coupling Screw, M7s that secure the Tube, Supply, 
Ink to remove the Tube, Supply, Ink from the Head Unit.Figure 4-115. Tube, Supply, Ink Removal




When performing the following work, remove ink out of the 
ink route before removing the Valve Assy., Head. Refer to 
Chapter...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 292
„Make sure that the O-ring, Coupling M7 is attached 
approximately 2mm away from the end point of the 
Tube, Supply, Ink.
„The ink color marked on the Tube, Supply, Ink 
indicates its own color. Make sure that the marked color 
corresponds to the color of the socket before attaching 
the Tube, Supply, Ink.
„Attach the Tube, supply, Ink from the left in the order 
below and route it, referring to the...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 293 3. Remove the Head Unit from the Carriage Unit.
(Refer to 4.2.7.1 Carriage Unit (p266).)
4. Separate the Carriage, C from the Carriage, B.
(Refer to 4.2.8.1 Printhead (p285).)
5. Draw out the Plate, Damper with a plier or a similar tool.
(Refer to Figure 4-116.)
6. Remove the Valve Assy., Head by following the steps below.
(Refer to Figure 4-117.)
6-1. Slide the joint section on the Valve Assy., Head,...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2944.2.8.3  Gutter, Ink1.Remove Fan, Blower (p244).
2. Remove the two screws securing Duct, Air, D and remove Duct, Air, D. 
(Refer to Figure 4-118.)
„C.B.S. (P2) 3x6: 2 pcs.
3. Remove the two screws securing Duct, Air, A and remove Duct, Air, A. 
(Refer to Figure 4-119.)
„C.B.S. (P2) 3x6: 2 pcs.
4. Remove the screw securing Gutter, Waste Ink. (Refer to Figure 4-119.)
„C.B.S. (P2) 3x6: 1 pc.
5. Slide the...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 295 6. Remove the screw securing Gutter, Ink.
 (Refer to Figure 4-120.)
„C.B. (P1) 3x4: 1 pc.
7. Remove Gutter, Ink by following the steps below. (Refer to Figure 4-121.)
7-1. Slide Gutter, Ink to left side.
7-2. Move Gutter, Ink right side downward.
7-3. Pull out Gutter, Ink left lower side toward you.
Figure 4-120. Screw Securing Gutter, Ink
Figure 4-121. Gutter, Ink Removal
Make sure that Push Spring,...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2964.2.8.4  I/H Left Unit / I/H Lever Sensor (Left)1.Remove Panel, Front/Panel Unit (p219).
2. Open Cover, I/H, Left.
3. Hold both ends of Cover, I/H, Left and disengage each side from the 
hinge sockets. (Refer to Figure 4-122.)
4. Remove the screw securing the I/C, Lock Lever, Knob, Left and then 
remove the I/C, Lock Lever, Knob, Left. 
(Refer to Figure 4-123.)
„C.B.P. 3x6: 1 pc.
Figure 4-122. Cover, I/H,...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 297 5. Remove the four screws securing Guide, I/H, Left and remove Guide, I/
H, Left by pulling forward. (Refer to Figure 4-124.)
„C.B.S. 3x6: 4 pcs.
6. Remove the screw securing Installation Plate, I/H Guide, A and remove 
Installation Plate, I/H Guide, A. 
(Refer to Figure 4-125.)
„C.B.S. 3x6: 1pc.
Figure 4-124. Guide, I/H, Left Removal
Figure 4-125. Installation Plate, I/H Guide, A Removal
Guide, I/H,...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 298 7. Remove the screw securing Installation Plate, I/H Guide, C and remove 
Installation Plate, I/H Guide, C.
„C.B.S. 3x6: 1 pc.
Figure 4-126. Installation Plate, I/H Guide, C Removal
„The shapes of Installation Plate, I/H Guide, A and 
Installation Plate, I/H Guide, C differ, so be careful 
when installing them.
„Align Installation Plate, I/H Guide, A and Installation 
Plate, I/H Guide, C dowels (2 each)...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 299 8. Peel acetate tape and release the four Tube, Supply, Ink from the notch 
of the frame. (Refer to Figure 4-127.)
9. Remove the two screws securing the front side of I/H Left Unit.
(Refer to Figure 4-128.)
„C.B.S. 3x6: 2 pcs.Figure 4-127. Releasing the Tube, Supply, Ink
Figure 4-128. I/H Left Unit Front Side_1
When performing the following step, be careful not to bend 
the Tube, Supply, Ink or...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 300 10. Remove the six screws securing the I/H Left Unit to the pinter.
„C.B.S. 3x8: 6 pcs.
11. Disconnect the FFCs from the CN1 to CN3 connectors on the “C593_SUB-
D Board”, and pull out the FFCs toward the left side of the printer frame.
12. Peel off the acetate tape that secures the front side of the I/H Left Unit.
13. Remove the four screws securing rear side of I/H Left Unit.
(Refer to Figure 4-130.)...