Epson 4880 C Service Manual

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 251 10. Remove the two screws that secure the ASF Unit on the right side of the 
printer and the two screws that secure Duct, Air, C, Assy.
„C.B.S. 3x6: 4 pcs.
11.  Remove the two screws that secure the ASF Unit while keeping the 
Duct, Air, C, Assy separated.
„C.B.S. 3x6: 2 pcs.
Figure 4-59. Screws Securing ASF Unit
When performing the following work, do not keep the Duct, 
Air, C, Assy too far from the printer because harnesses are 
connected between them.
Step 11
C.B.S. 3x6
Step 10
C.B.S. 3x6 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 252 12. While holding the ASF Unit, remove the three screws that secure the 
ASF Unit on the left side of the printer.
„C.B.S. 3x6: 3 pcs.
Figure 4-60. Screws Securing ASF Unit
C.B.S. 3x6 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 253 13. Remove the ASF Unit downward from the printer.
Figure 4-61. ASF Unit Removal
When installing the ASF Unit to the printer, do not let the 
connector of the ASF Phase Sensor located at the left side 
of the ASF Unit contact with the cutout of the frame of the 
main unit.





Be sure to refer to Chapter 5 “Adjustment” (p.366) and 
perform specified adjustments after replacing the ASF 
Unit.
ASF Phase Sensor
ASF Unit 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2544.2.6.2  Roller Assy., LD, Left / Roller Assy., LD, Right1.Remove ASF Unit (p246).
2. Remove the E-ring, 6, and pull out the Gear, 44.74 and Lever, Hopper, 
Release from the Shaft, Roller, LD.
Figure 4-62. Gear, 44.47 and Lever, Hopper, Release Removal
When installing the Gear, 44.74 and Lever, Hopper, 
Release to the Shaft, Roller, LD, face the surfaces with the 
longer ribs of both the Gear, 44.74 and the Lever, Hopper, 
Release toward the ASF Unit side, and match the 
respective ribs of the shaft holes with the grooves of the 
Shaft, Roller, LD.
Lever, Hopper, ReleaseGear, 44.47E-ring, 6 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 255 3. Remove the three screws that secure the Frame, ASF, Right from the 
bottom of the ASF Unit, and remove the Frame, ASF, Right from the 
hole shown in Figure 4-64 as holding the Hopper 
„C.B.P. 3x8: 3 pcs.
4. Push down and release the tab that secures the Wheel, Detector using a 
precision driver or a similar tool, and then remove the Wheel, Detector. 
(Refer to Figure 4-65.)
Figure 4-63. Screws Securing Frame, ASF, RightFigure 4-64. Frame, ASF, Right Removal
Figure 4-65. Wheel, Detector Removal
When installing the Frame, ASF, Right, make sure that both 
the grooves of the Cover, Roller, LD, Left and the Cover, 
Roller, LD, Right are engaged with the rail of the Frame, 
ASF, Lower.
C.B.P. 3x8
Freme, ASF, Right
Hopper
Wheel, Detector 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 256 5. Rotate the Bushing, Lock, 11.4 to the direction shown in Figure 4-66 to 
match the rib with the frame hole, release the boss at the lower part from 
the frame, and then remove the Bushing, Lock, 11.4 from the Shaft, 
Roller, LD. (The Ground Spring, ASF will be released at the same time.)
Figure 4-66. Bushing, Lock, 11.4 Removal
When installing the Ground Spring, ASF, install the 
Bushing, Lock, 11.4 first, insert the both ends of the 
Ground Spring, ASF into the right and left holes on the 
bottom of the Bushing, Lock, 11.4, and then hitch the other 
side of the Ground Spring, 11.4 to the tab located on the 
bottom of the Bushing, Lock, 11.4.
Bushing, Lock, 11.4
Ground Spring, ASF
Tab
Rib
Hole
1
2
3
Bushing, Lock, 11.4 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 257 6. Detach the resin plate that is attached on the Holder, Edge Guide, Left, 
release the tab that secures Holder, Edge Guide, Left to the Cover, 
Roller, LD, Left, and then remove the Holder, Edge Guide, Left to the 
right. (Refer to Figure 4-67.)
7. Release the tab that secures the Roller Assy., LD, Left to the Cover, 
Roller, LD, Left, then remove the Roller Assy., LD, Left sliding it 
rightward.  (Refer to Figure 4-68.)
Figure 4-67. Holder, Edge Guide, Left Removal
Figure 4-68. Roller Assy., LD, Left Removal
Holder, Edge Guide, LeftHolder, Edge Guide, Left
Tabs
Resin PlateTab 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 258 8. Remove the E-ring, 6 from the Shaft, Roller, LD.
9. Draw out the Shaft, Roller, LD to the direction shown in Figure 4-69 to 
remove both the Roller Assy., LD, Left and the Roller Assy., LD, Right.
Figure 4-69. Roller Assy., LD, Left and Roller Assy., LD, Right 
Removal
All the parts shown in Figure 4-69 are released when 
drawing the Shaft, Roller, LD. Install the parts to the 
Shaft, Roller, LD in the correct order and direction, refering 
the Figure 4-69.
Roller Assy., LD, Right
Compression Spring, 0.407Holder, Edge Guide, LeftRoller Assy., LD, LeftShaft, Roller, LD
E-ring
Drawing Direction of Shaft
Compression Spring, 0.4
Roller, Sub, LD, MiddleRoller, Sub, LD, MiddleCompression Spring, 0.4 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2594.2.6.3  Mount Assy., Plate, Motor, ASF, SP1.Remove Box Assy., Flushing / Pump Unit (p316).
2. Detach E-ring and then remove Spur Gear, 16.(Refer to Figure 4-70.)
Figure 4-70. Spur Gear, 16 Removal
E-ring
Spur Gear, 16Screwdriver 
insertion hole 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 260 3. Insert screwdriver through hole at lower right of Spur Gear, 16 removed 
in Step 2 and remove the screw securing Mount Assy., Plate, Motor, ASF, 
SP.
„ C.B. 3x8: 1 pc.
4. Remove the two screws securing Mount Assy., Plate, Motor, ASF, SP 
and then remove Mount Assy., Plate, Motor, ASF, SP.
„C.B.S. 3x6: 1 pc.
Figure 4-71. Mount Assy., Plate, Motor, ASF, SP Removal
Step 3
C.B. 3x8
Step 4
C.B.S. 3x6
Step 4
C.B.S. 3x6
Mount Assy., Plate, Motor, ASF, SP