Epson 4880 C Service Manual

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 231 11. Release the four hooks securing the Guide Rail and remove the Guide 
Rail. (Refer to Figure 4-36.)
12. Remove the two screws securing the Bracket and remove the 
Bracket.(Refer to Figure 4-37.)
„C.B.S. 3x8: 2 pcs.Figure 4-36. Guide Rail Removal
Figure 4-37. Bracket Removal
Secure the two Guide Rail hooks to the two C593 MAIN 
Board installation holes.Install while aligning the two Bracket dowels with...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 232 13. Remove the seven screws securing C593 MAIN Board.
„C.B.S. 3x8: 8 pcs.
14. Slide C593 MAIN Board forward and remove the C593 MAIN Board as 
keeping IEEE1394 connector clear of the plate.
Figure 4-38. C593 MAIN Board Removal
„Do not place the circuit board (solder side) directly on a 
conductive surface. 
„Circuit boards supplied as service parts have been 
equipped with lithium battery. Do not...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2334.2.4.2  Power Supply Board / Power Supply Cooling Fan1. Remove the PCB Unit.(Refer to 4.2.4.1 C593 MAIN Board (p226).)
2. Disconnect the following connectors/harnesses from the Power Supply 
Board.
3. Disconnect the connectors of the “Power Supply Cooling Fan” from the 
“C593 MAIN Board”. (Refer to 4.2.4.1 C593 MAIN Board (p226).)
4. Remove the two screws that secure the Power Supply Cooling Fan, and...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2344.2.4.3  C593_SUB Board1. Open Cover, Printer.
2. Release the carriage lock and move the Carriage Unit to the position 
shown in Figure 4-41.
(Refer to 4.2.1.2 Carriage Unit Lock Release/Lock Set Method (p208).)
3. Remove the three screws securing the Carriage Cover and remove the 
Carriage Cover upward. (Refer to Figure 4-42.)
„C.B.P. 3x8: 3 pc.Figure 4-41. Moving the Carriage Unit
Figure 4-42. Carriage...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 235 4. Disconnect all connectors/harnesses on the C593_SUB Board.
(Refer to Figure 4-43.)
5. Remove the screw securing C593_SUB Board and then remove 
C593_SUB Board. (Refer to Figure 4-43.)
„C.B.P. 3x8: 1 pc.
Figure 4-43. C593_SUB Board Removal Table 4-6. Connectors/Harnesses Connected to C593_SUB Board
Connector 
No.
Color
Number 
of Pins
Connection Socket
CN1 - 30 C593_SUB-D Board (CN4)
CN2 White 2 Cutter...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2364.2.4.4  C511_SUB-B Board1.Remove Cover, Side, Right (p217).
2. Disconnect all connectors/harnesses on the C511_SUB-B Board.Note 1: CN100, CN101 have connector lock mechanisms that must be released to 
disconnect FFC. Refer to “Check Point“ on Release the harness lock as shown 
in the figure below. Be sure to lock it when reassembling. P.236.
2: Refer to Figure 4-44 for connector positions.
3: When...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 237 3. Remove the four screws securing C511_SUB-B Board and remove 
C511_SUB-B Board.
„C.B.P. 3x6: 4 pcs.
Figure 4-45. C511_SUB-B Board Removal
C.B.P. 3x6 

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2384.2.4.5  C593_SUB-C Board1.Remove Cover, Side, Left (p216).
2. Release the FFC from the three clamps.
3. Disconnect all connectors/harnesses on the C593_SUB-C Board.Note 1: Refer to Figure 4-47 for connector positions.The CN 45 is not used.
2: When connecting harnesses to the C593_SUB-C Board, connect them in the 
order shown in Table 4-8.
Figure 4-46. Releasing FFC
Figure 4-47. C593_SUB-C Board Connector...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 239 4. Remove the three screws securing C593_SUB-C Board and remove 
C593_SUB-C Board.
„C.B.S. 3x6: 3 pcs.
Figure 4-48. SUB-C Board Removal
C.B.S. 3x6 

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2404.2.4.6  C593_SUB-D Board1.Remove Panel, Front/Panel Unit (p219).
2. Disconnect all the connectors/harnesses on the C593_SUB-D Board.Note 1: Refer to Figure 4-47 for connector positions.The CN 45 is not used.
2: When connecting harnesses to the C593_SUB-D Board, connect them in the 
order shown in Table 4-9.3. Remove the four screws securing C593_SUB-D Board and remove 
C593_SUB-D Board.
„C.B.P. 3x6: 4...