Epson 4880 C Service Manual

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 361Routing on the Duct, Air, C
†Route the harness via the tabs on the Duct, Air, C
Figure 4-229. Routing on Duct, Air, C_1†Bundle the harnesses and secure them to the shaft shown in the figure 
below with a cable tie.
†Secure the harnesses with the clamp on the Duct, Air, C.
Figure 4-230. Routing on Duct, Air, C_2
TabsTabs

Be careful not to damage or cut the harnesses when cutting 
the cable tie...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 3624.2.11  Disassembly/Assembly Unique to 4-color 
Model (Stylus Pro 4000)4.2.11.1  I/H Left Unit / I/H Lever Sensor (Left) (4-color model)For this reason, route all the eight Tube, Supply, Inks to the left side of the 
main unit, and secure them 2 each to the Connecting Screw, M7s of the ink 
holders for each color.
1. Perform 
Step 1
 through 
Step 19
 in 
I/H Left Unit / I/H Lever Sensor 
(Left)(p296)
....

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 363 3. Loosen the Connecting Screw, M7s that secure the eight Tube, Supply, 
Inks and the four Joint, Supply, Inks, and remove the Tube, Supply, 
Inks from the Joint, Supply, Inks.
Figure 4-232. Joint, Supply, Ink Removal_2
„Confirm that O-Ring, Coupling M7 has been installed.
„The Tube, Supply, Ink has been marked with its color. 
Install while confirming that the mark matches the 
receptacle.
„Firmly...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 364 4. Remove the Connecting Screw, M7 that secures the Tube, Holder, Ink, 
and remove the Tube, Holder, Ink from I/H Left Unit.
Figure 4-233. I/H Left Unit Removal
„Confirm that O-Ring, Coupling M7 has been installed.
„The Tube, Supply, Ink has been marked with its color. 
Install while confirming that the mark matches the 
receptacle.
„Use the following order to install the Tube, Supply, Ink 
while routing...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CDisassembly & Assembly Disassembly Procedures 3654.2.11.2  Cover, Front, Right 4 Color (4-color Model)1.Remove Panel, Front/Panel Unit (p219).
2. Remove the four screws that secure the Cover, Front, Right 4 
Color, and remove the Cover, Front, Right 4 Color.
„C.B.S. 3x6: 4pcs.
 
Figure 4-234. Cover, Front, Right 4 Color
 Removal
„When installing the the Cover, Front, Right 4 Color, 
tighten the screws in the order shown in Figure 4-234
„Match the four...

CHAPTER
5
ADJUSTMENT 

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Overview 3675.1  OverviewThis section describes the adjustment procedures necessary after replacing 
certain parts and explains how to perform those adjustment procedures.5.1.1  CautionsBefore beginning the adjustment operation, be sure to confirm the following 
caution items.5.1.2  Advance of AdjustmentWhen replacing or removing any part/unit listed in 5.1.3 The Part/Unit that 
Requires Adjustment, refer to 5.1.4 Adjustment Items classified...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Overview 3685.1.4  Adjustment Items classified by Part/UnitRequired adjustment items and execution order for each part/unit that has 
been replaced or removed is shown in the table below.Note *1 : RP = Replacement with new part
*2 : RM = Removal only
Table 5-2. Required Adjustment Items/Execution Order
Name
Adjustment Item
RP
*1
RM
*2
Ref.
Main Circuit Board

(Backup = O.K.)1 Parameter Backup{---P.409
2 RTC&USB ID&IEEE1394ID
{---P.387
Main...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Overview 369Cleaning Unit 1 Reset When Cleaning Unit Change{---P.443
Print Head 1 CR Timing Belt Tension Adjustment{{P.376
2 CR Encoder Sensor Position 
Adjustment{{P.382
3 Cleaning{---P.412
4 Head Rank ID{---P.388
5 Check Nozzle{---P.436
6 Check Alignment{{P.437
7 Nozzle Bi-D Adjustment{{P.393
8 Printhead Slant Adjustment (PF){---P.394
9PG Adjustment{---P.383
10 Nozzle Bi-D Adjustment{{P.393
11 Printhead Slant Adjustment (PF){---P.394
12...

EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Overview 370Motor Assy., PF 1 PF Timing Belt Tension Adjustment{{P.378
2 T&B&S (Roll Paper){{P.390
3 T&B&S (Cut Sheet){---P.391
4 Reset PF Motor Counter{---P.441
5 Reset Paper Ejection Switching/PG 
Switching Counter{---P.441
6 Reset Paper Ejection Switching/Reset 
PG Switching Counter{---P.441
Pump Motor 1 Reset When Cleaning Unit Change{---P.443
Motor Assy., PG 1 Reset Paper Ejection Switching/Reset 
PG Switching Counter{---P.441
Paper...