Epson 4880 C Service Manual

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 271 7. Remove the two screws securing the Motor Assy., CR and remove the 
Motor Assy., CR. (Refer to Figure 4-85.)
„C.C. 3x6: 2 pcs.
Figure 4-85. Motor Assy., CR Removal




Be sure to refer to Chapter 5 “Adjustment” (p.366) and 
perform specified adjustments after installing or replacing 
the Motor Assy., CR.
 C.C. 3x6
Belt, CR 

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2724.2.7.3  Harness, CR1. Remove “Release, Lever Unit”. (Refer to 4.2.9.1 Release Unit (p343).)
2. Disconnect Motor Assy., CR harness (CN15: white, 2 pin) from the C533 
MAIN Board, and peel the acetate tape to release the harness. (Refer to 
4.2.4.1 C593 MAIN Board (p226).)
3. Release the “Motor Assy., CR” harness from the “Paper Guide, Lower” tab 
and the two channels. (Refer to Figure 4-86.)
4. Peel two...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 273 6. Release the Motor Assy., CR harness from the four cramps, four pieces 
of acetate tape and the tab on the frame. (Refer to Figure 4-88.)
7. Disconnect the connector from “Motor Assy., CR” and remove “Harness, 
CR”.(Refer to Figure 4-83.)
Figure 4-88. Releasing the Harness_3
Acetate Tape (x3)
Clamps
Tab
Acetate TapeMotor Assy., CR
Fasten tube to motor end surface 

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2744.2.7.4  Motor Assy., PG1.Remove Cover, Side, Right (p217).
2. Peel off the acetate tape and release the tab at the lower part of the 
Sheet, Ink, Stopper, C from the U-shaped cutout of the Frame, Base, 
Side, Right. (Refer to Figure 4-89.)
3. Disconnect relay connector. (Refer to Figure 4-90.)
4. Remove the acetate tape securing the harness, and release Harness, 
CSIC and Motor Assy., PG harness from...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 275 7. Remove the two screws securing Motor Assy., PG.
(Refer to Figure 4-91.)
„C.C. 3x6: 2 pcs.
8. Seen from the right side of the printer, slide the Motor Assy., PG through 
the upper right relief hole and then remove the Motor Assy., PG inward 
while passing the pinion gear through the relief hole. 
(Refer to Figure 4-91.)
Figure 4-91. Motor Assy., PG Removal
When performing the following steps, be...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2764.2.7.5  CR_HP Sensor1.Remove Cover, Side, Right (p217).
2. Move Carriage Unit to center of printer.
(Refer to 4.2.4.3 C593_SUB Board (p234).)
3. Release CR_HP Sensor harness from clamp.
4. Unfasten the two upper hooks securing CR_HP Sensor, release the 
lower tab and then release CR_HP Sensor.
5. Disconnect the connector from CR_HP Sensor.
Figure 4-92. CR_HP Sensor Removal
After installing the CR_HP...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2774.2.7.6  Multi Sensor1.Remove Cover, Side, Left (p216).
2. Move Carriage Unit to center of printer. 
(Refer to 4.2.4.3 C593_SUB Board (p234).)
3. Remove the two screws securing Multi Sensor to the Carriage Unit.
(Refer to Figure 4-93.)
„C.B. (P2) 3x6: 2 pcs.
4. While holding the Multi Sensor so as not to drop, and move the Carriage 
Unit to the left end of the printer keeping clear of the platen.
5....

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2784.2.7.7  PG Phase Sensor1.Remove Cover, Side, Left (p216).
2.Remove Cover, Side, Right (p217).
3. Rotate the PG Cam manually so that the PG Lock Lever enter the groove 
at the extream end of the PG Cam as shown in Figure 4-96. Doing so 
releases the shield plate from the PG Phase Sensor.  
(Refer to Figure 4-96.)
Figure 4-96. Rotating the Shield Plate
	


As the PG Cam (Bush, Shaft, Rear) and PG...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 279 4. Remove Extension Spring, 2.58 from the frame and the two tabs of the 
Installation Plate, Detector, HP. (Refer to Figure 4-97.)
5. Disconnect the connector from the PG Phase Sensor.  
(Refer to Figure 4-98.)
6. Release the tabs securing the PG Phase Sensor and remove the PG 
Phase Sensor. (Refer to Figure 4-98.)
Figure 4-97. Extension Spring, 2.58 Removal
Figure 4-98. PG Phase Sensor Removal
Extension...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2804.2.7.8  CR Encoder Sensor1.Remove Cover, Rear (p223).
2. Move Carriage Unit to center of printer and remove the Carriage Cover. 
(Refer to 4.2.4.3 C593_SUB Board (p234).)
3. Disconnect the FFC from CR Encoder Sensor.
4. Remove the screw securing CR Encoder Sensor to the Carriage Unit 
and remove CR Encoder Sensor.
„C.P.P. 2.6x6: 1 pc.
Figure 4-99. CR Encoder Sensor Removal
Do not touch Scale, CR...