Epson 4880 C Service Manual

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2414.2.5  Printer Mechanism DisassemblyThis section describes disassembly steps for main components of the printer 
mechanism.
For the following reasons, replaceable parts are limited to 
defined components. Therefore removal or replacement of 
parts that cannot be supplied as components defined in this 
manual or parts supplied as Service Parts is prohibited. (If 
this is not followed, it could result in problems that cannot 
be repaired except at the factory.)
1. Repair support is required on-site.
2. Components have been assembled in factory processes 
using highly precise adjustments. 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2424.2.5.1  Printer Mechanism (SP)This section describes replacement of “Printer Mechanism (SP)”. Follow the 
explanation of reference place about each parts removal/installation procedure 
and remedy after replacement.
1. Remove the following parts from the old printer, and attach the parts 
except consurmables to “Printer Mechanism (SP)“.
Note *1 : A Board Box includes all the parts attached to the box such as the Main Board 
Assy., MAIN and the Power Supply Unit.
*2 : Parts indicated with *2 include the screws that secure the parts.
Parts 
Table 4-10. Parts Configuration
Part name
Code
Stylus Pro 4800 Printer mechanism (SP), M-AB61-100 2102788
Stylus Pro 4400 Printer mechanism (SP), M-AB61-101 2102789
Stylus Pro 4800
Stylus Pro 4400
Part name
Code
Part name
Code
Ink cartridge --- Ink cartridge ---
Maintenance tank --- Maintenance tank ---
Spindle --- Spindle ---
Board box*1 Board box ---
Cover, I/H, left, 8-
color1299011 Cover, I/H, left; C593 1305013
Label, caution, 
transport1400736 --- ---
Cover, I/H, right, 8-
color1299007 Cover, front, right, 4-color 1299017
Label, chalk cleaning 1400729 Label, chalk cleaning; B 1400730
Cover, printer; C593 1305014←←
Knob, pressure, 
lever; C593*21305026←←
Knob, I/C, lock lever: 
C593*21305019←←
Paper guide, paper 
eject, stuck*21219923←←
Sheet, paper guide, 
paper eject, stuck1259969←←
Fan, Blower*2 2103408←←
Pad, fan 1273728←←
Cover, fan, left 1273730←←
Cover, fan, right 1273729←←
Fan blower mounting 
board*2---←←
Release ASSY., 
C5931300517←←
Stacker ASSY; 
C593; B1402185←←
Tray ASSY; C593; B 1403674←←
Label, ASF set 1400868←←
Holder, roll ASSY., 
C5931300541←←
Label, paper jam 
removal1249443←←
Cover, rear; C593 1305017←←	


If “Printer Mechanism (SP)” is replaced because of the 
trouble arisen from the C593MAIN, replace the 
C593MAIN  for a new one at this time.Stylus Pro 4800
Stylus Pro 4400
Part name
Code
Part name
Code 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 243 2. Connect the printer to the PC with USB or IEEE1394 cable, and start 
“NVRAM Buckup Utility“ (nvram.exe). (Or execute the parameter backup of 
the adjustment program and start the “NVRAM Buckup Utility“.)
3. Take out the CD-ROM that contains the mechanism parameter and insert it 
to the PC. (The CD-ROM is bundled with the “Printer Mechanism (SP)”.)
4. Click the “Open“ button, and select the parameter file stored in the CD-
ROM to open the parameter file.
5. Enter Maintenance Mode 2. (Panel display: SELF TESTING)
Power OFF → Press Paper Select (
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2444.2.5.2  Fan, Blower1. Remove the four screws securing the two Paper Guide, Eject, Stackers 
and then remove the two Paper Guide, Eject, Stackers. 
(Refer to Figure 4-51.)
„Installation Plate, Shaft, CR: 2 pcs.
„C.B.S. 3x8: 2 pcs.
2. Release relay harness connected to Fan, Blower (right) from acetate 
tapes and clamp. (Refer to Figure 4-52.)
3. Disconnect the two rellay connectors as shown in Figure 4-52.
 (Refer to Figure 4-52.)
Figure 4-51. Paper Guide, Eject, Stacker Removal
Figure 4-52. Releasing Relay Harness
Insert the two tabs of the Paper Guide, Eject, Stacker into 
the two positioning holes on the Frame, Fan, Unit.
Positioning Holes
Frame, Fan, Unit
Tabs
C.B.S. 3x8
Installation Plate, Shaft, CR
Paper Guide, Eject, Stacker
Relay Connectors
Acetate Tapes (x3) 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 245 4. Peel off the acetate tape attached to the gap between the Frame, Fan, 
Unit and the main unit.
5. Remove the two screws securing Frame, Fan, Unit and remove Frame, 
Fan, Unit by pulling it toward you.
„C.B.S. 3x6: 2 pcs.
Figure 4-53. Frame, Fan, Unit Removal
Align the two main frame dowels with the two positioning 
holes on the Frame, Fan, Unit. (Refer to Figure 4-53.)
C.B.S. 3X6
C.B.S. 3X6
Frame, Fan, Unit
Acetate Tape
Dowel and Positioning HoleDowel and Positioning Hole
Dowel and Positioning Hole 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 2464.2.6  ASFThis section discribes the ASF Unit removal and the assembly and  
disassembly of the main components comprising the ASF.4.2.6.1  ASF Unit
1.Remove Cover, Side, Left (p216).
2.Remove Cover, Side, Right (p217).
3. Remove Cover, Motor, PF and disconnect the connector from the ASF 
phase sensor. (Refer to 4.2.6.4 ASF Phase Sensor (p263).)

This section explains the working procedure using the ASF 
EXCHANGE SUPPORT TOOL. Always prepare the tool 
before performing work because performing work without 
the specified tool may cause damage to the printer or result 
in injury.
Base, Left
Base, Right
Stand (x2)
Joint Plate 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 247 4. Insert the tab of the Joint Plate to the slit of the Base, Left.
5. Insert the Base, Left with the Joint Plate set in the Step 4 under the left 
bottom of the main unit until the notches hit the rubber feet of the printer.
Figure 4-54. Joint Plate Attachment
Figure 4-55. Base, Left Setting 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 248 6. Insert the Base, Right under the right bottom of the main unit until the 
noches hit the rubber feet of the printer.
Figure 4-56. Base, Right Setting	


After the Base, Left, Base, Right, and the Joint Plate 
are set up. 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 249 7. Hold the front panel section at the front of the printer, lift the printer upward, 
and insert the right tab of the Joint Plate into the slit of the Base, Right.
Figure 4-57. Joint Plate Attachment
When lifting the printer in the steps given below, pay 
attention to the followings:
„Hold the front panel section of the printer. Holding other 
section could cause the malfunction of the printer.
„This printer is heavy (approximately 40 kg). Hold the 
front panel section at the front of the printer securely 
and make sure that the grip is solid before lifting the 
printer. Dropping the printer may cause injury or 
malfunction of the printer.
„Take care not to get your hand sandwiched when you 
lower the printer. 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 250 8. Hold the front panel section of the printer, lift the printer upward and keep it 
there, and then set the Stand in both the rubber foot on the bottom of the 
printer and the Base, Left, following the steps below.
8-1. Fit the rubber foot of the printer into the foot receiver at the upper 
end of the Stand.
8-2. Fit the lower end of the Stand into the protrusion of the Base, 
Left. (Be sure that the concave portion of the Stand matches the 
convex portion of the Base, Left.)
9. Tilt the printer upward a little (the same amount of the spring stroke of the 
left stand ) as holding the front panel section of the printer, and set the 
Stand in both the rubber foot on the right bottom of the printer and the tab 
of the Base, Right, using the same steps in Step 8.
Figure 4-58. Stand Setting
Step 8-1/Step 9
Step 8-2/Step 9