Epson 4880 C Service Manual

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 311 13. Peel off the acetate tape binding the FFC to release the FFC.
(Refer to Figure 4-146.)
14. Release the four Harness, CSICs and the I/H Lever Sensor (Left) 
harness from the two clamps and the acetate tape.
(Refer to Figure 4-147.)
Figure 4-146. Releasing Harnesses_5
Figure 4-147. Releasing Harnesses_6
Step 13
Acetate Tape
Clamps
Step 14
Acetate Tape 

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 312 15. Move Carriage Unit to center of printer.
(Refer to 4.2.4.3 C593_SUB Board (p234).)
16. Remove the two screws securing rear side of I/H Right Unit.
(Refer to Figure 4-148.)
„C.B.S. 3x6: 2 pcs.
17. Remove the two screws securing the front side of I/H Right Unit.
(Refer to Figure 4-149.)
„C.B.S. 3x12: 2pcs.
Figure 4-148. Screws Securing Rear Side of I/H Right Unit
Figure 4-149. Screws Securing Front...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 313 18. Pull the I/H Right Unit forward from the printer following the order below 
while pulling the Harness, CSIC and I/H Lever Sensor (Right) harness 
from the hole in the frame. (Refer to Figure 4-150.)
18-1. To avoid interference of the printer frame hole and I/H Right Unit 
shaft, shift the I/H Right Unit to the left.
18-2. With the right side of the Paper Eject Unit lifted up, pull the I/H 
Right Unit...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 314 21. Remove the two screws securing Cover, Holder, IC, Right and remove 
Cover, Holder, IC, Right. (Refer to Figure 4-152.)
„C.B.S. 3x6: 2 pcs.
Figure 4-152. Cover, Holder, IC, Right Removal
„When the Ink Lever is installed against the angle set 
location as shown in the illustration, confirm that the two 
holes of Fan Gear, 34 form a line parallel to the bottom 
of Frame, Holder, IC.
„Align the two...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 315 22. Loosen the four Coupling Screw, M7 securing the four Tube, Supply, 
Inks and then disconnect Tube, Supply, Ink from I/H Right Unit.
Figure 4-153. I/H Right Unit Removal
When performing the following steps, be careful of the 
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...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 3164.2.8.6  Box Assy., Flushing / Pump Unit1.Remove Cover, Side, Right (p217).
2.Remove Motor Assy., PG (p274).
3. Move the Carriage Unit to center of printer. 
(Refer to 4.2.4.3 C593_SUB Board (p234).)
4. Remove the screw securing the Box Assy., Flushing.
 (Refer to Figure 4-154.)
„C.B.S. 3x8: 1 pcs.
5. Slide the Box Assy., Flushing to the right and release the rib as shown in 
Figure 4-154 ( ), lift the...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 317 6. Remove the two screws securing the Shaft, Transmission, PG Unit and 
then remove the Shaft, Transmission, PG Unit by pulling it out of the hole 
in the frame. (Refer to Figure 4-155.)
„C.B.S. 3x6: 2 pcs.
Figure 4-155. Shaft, Transmission, PG Unit Removal
Be careful not to scratch the Shaft, Transmission, PG Unit 
gear by bumping it against the frame.„Align Shaft, Transmission, PG Unit...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 318 7. While keeping the sheet turned aside, remove Extension Spring, 0.262 
from the tabs of Mount Assy., Plate, Motor, ASF, SP and Lever, Lock, 
DE. (Refer to Figure 4-156.)
8. Pull the Lever, Lock, Planetary toward the outside of the printer, release 
the hook on top and then pull out of the Lever, Lock, DE. 
(Refer to Figure 4-157.)Figure 4-156. Extension Spring, 0.262 Removal
Figure 4-157. Lever, Lock,...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 319 9. Remove the Lever, Lock, DE by following the steps below.
(Refer to Figure 4-158.)
9-1. Slide it to the right.
9-2. Bend it toward the center.
9-3. Remove the left end from the installation hole.
9-4. Remove Lever, Lock, DE while extracting the flag at the right end 
from the hole in the frame.
Figure 4-158. Lever, Lock, DE Removal
Installation Hole
Step 9-1
Step 9-3
Step 9-2
Flag
Step 9-4 

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 320 10. Disconnect the connector from the Pump Phase Sensor from behind the 
printer. (Refer to Figure 4-159.)
11. Free all the harnesses from the U-shaped notch of the Frame, Base, Side, 
Right. (Refer to Figure 4-159.)
12. Remove the four screws securing the Pump Unit. (Refer to Figure 4-160.)
„C.B.S. 3x6: 3 pcs.
„C.B.S. 3x8: 1 pc.
13. Shift the Pump Unit to the right side and disconnect the linkage with...