Epson 4880 C Service Manual

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Overview 3715.1.5  Adjustment ItemPrinter adjustment items and their adjustment classification descriptions are shown in the tables below.Note *1 : AU = Adjustment program (utility)
*2 : M2 = Maintenance Mode 2 (Refer to 1.4.6 Maintenance Mode 2 (p90)  )
*3 : AT = Adjustment tool (Not including program tools)MECHANICAL ADJUSTMENTSTANDARD ADJUSTMENTTable 5-3. Mechanical Adjustment
Adjustment Item
Description
Method
Ref.
AU
*1
M2
*2
AT
*3
CR Timing Belt Tension Adjustment Adjusts the CR Timing Belt to the required tension. --- ---
{P.376
PF Timing Belt Tension Adjustment Adjusts the PF Timing Belt to the required tension. --- ---
{P.378
Paper Thickness Sensor Adjustment Adjusts the installation position of the sensor so it can accurately detect paper thickness. ---
{{P.380
CR Encoder Sensor Position Adjustment Adjusts the CR Scale position in relation to the CR Encoder Sensor. --- --- ---P.382
PG Adjustment Adjusts the interval between the print head and the platen. ---
{{P.383
Multi Sensor Position Adjustment Adjusts the installation position of the Multi Sensor so the distance between the Multi Sensor and the 
platen will be acceptable.--- ---
{P.385
Table 5-4. Standard Adjustment
Adjustment Item
Description
Method
Ref.
AU
*1
M2
*2
AT
*3
RTC&USB ID&IEEE1394 ID Initializes the RTC, and writes both the USB ID and the IEEE 1394 ID. 
{------P.387
Head Rank ID Writes the Head Rank ID.
{------P.388
Multi Sensor Level Adjustment Adjust the light receiving level of the Multi Sensor. 
{------P.389
T&B&S (Roll Paper) This adjusts the printing position in relation to the paper surface for roll paper.
{--- ---P.390
T&B&S (Cut Sheet) This adjusts the printing position in relation to the paper surface for cut sheet.
{--- ---P.391
Cutter Pressure Adjustment Adjusts the cut pressure of the paper cutter.{
{---P.393
Nozzle Bi-D Adjustment Adjusts matte black Bi-D to create a standard for all nozzle Bi-D adjustment.
{------P.393
Printhead Slant Adjustment (CR) Prints out a PF-directional slant pattern of the printhead, and adjusts the PF-directional slant. 
{------P.394
Printhead Slant Adjustment (PF) Prints out a CR-directional slant pattern of the printhead, and adjusts the CR-directional slant.
{--- ---P.397
Auto Uni-d Adjustment Performs automatic Uni-D adjustment with the Multi Sensor.
{--- ---P.401 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Overview 372ADVANCED ADJUSTMENTMulti Sensor Adjustment for Auto Nozzle 
CheckCorrects read timing of primary/secondary scan directions when Multi Sensor detects dot missing.
{--- ---P.402
Rear Sensor Adjustment Determines the AD value to become the reading standard for a new rear sensor and saves it to the Main 
Board.---
{{P.407
Platen Position Adjustment Adjusts the borderless printing position.
{--- ---P.405
1000mm Feed Adjustment Prints a 1000mm pattern, measures it and adjusts the band sending amount.
{---
{P.407
Initial Ink charge flag ON/OFF Turns ON/OFF the initial charging flag as needed after replacement of the Main Board.
{--- ---P.408
NVRAM Back Up and Write Backs up parameters from NVRAM of the old Main Board and uploads them to the NVRAM of the new 
Main Board.{------P.409
Check Platen Gap Checks whether or not the 4 step PG position is in the correct position.
{--- ---P.410
Ink Discharge Discharges the ink in the internal ink route.
{------P.411
Initial Ink Charge Performs initial charging.
{------P.412
Cleaning Performs cleaning.
{------P.412
Rear Sensor AD Adjustment Obtains an AD value that is required as a basis for reading a new rear sensor, and saves the value on 
the Main Board.   ---
{{P.413
Colorimetric Calibration (Color ID) Adjusts the amount of ink droplets
{---{P.414
Writing MAC Address Writes MAC address to the main board.
{--- ---P.447
Table 5-4. Standard Adjustment
Adjustment Item
Description
Method
Ref.
AU
*1
M2
*2
AT
*3
Table 5-5. Advanced Adjustment
Adjustment Item
Description
Method
Ref.
AU
*1
M2
*2
AT
*3
Multi Sensor Auto Bi-D Adjustment  Performs Auto Bi-D Adjustment by the Multi Sensor.
{--- ---P.430
Nozzle Bi-D Adjustment Performs Bi-D adjustment for all nozzles.
{--- ---P.431
Destination setting Sets the destination of the product.
{------P.434
PF Micro Feed Adjustment (Bi-D) Adjusts paper feed amount to reduce color banding.
{--- ---P.435
Copy Bi-D variables Copies PG=1.2 Bi-D adjustment values to other PG setting areas.
{--- --- ---
Manual Uni-D Adjustment Performs Uni-D adjustment for all nozzles.
{--- --- ---
Copy Uni-D variables Copies PG=1.2 Uni-D adjustment values to other PG setting areas.
{--- --- --- 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Overview 373CHECK RESULTSRESET COUNTERSTable 5-6. Check Results
Adjustment Item
Description
Method
Ref.
AU
*1
M2
*2
AT
*3
Check Nozzle Checks for absence of dot missing.
{{---P.436
Check Alignment Checks for absence of misalignment.
{--- ---P.437
Print Adjustment Check Pattern Prints all adjustment patterns and adjustment parameters and checks content.
{{---P.438
Cut Sheet Continuous Feed Test Feeds paper from ASF and ejects it to check the ASF operation.
{--- --- ---
Print Image Prints an image and performs check of image quality.
{--- --- ---
Check Cutting Cuts roll paper and checks for cutter adjustment and wear.
{--- ---P.440
Print Image Prints out images to verify the image quality.
{--- ---P.439
Table 5-7. Reset Counters
Adjustment Item
Description
Method
Ref.
AU
*1
M2
*2
AT
*3
Reset Paper Ejection Switching Counter/ 
Reset PG Switching CounterResets the Paper Ejection Switching Counter and the PG Switching Counter.
{{---P.441
Reset PF Motor Counter Resets the PF Motor distance counter.
{{---P.441
Reset ASF Counter Resets the counter that counts the number of papers transferred from the ASF.
{{---P.442
Reset When CR Unit Change Resets the CR Motor Pass number counter.
{{---P.442
Reset When Cleaning Unit Change Resets the Cleaning Unit life counter.
{{---P.443
Reset When Printhead Change Reset the Printhead Life Counter
{------P.443 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Overview 3745.1.6  Adjustment ToolsThe following tools are needed for Stylus Pro 4400/4450/4800/4880/4880C 
adjustments.
Note *1 : Adjustments can be performed even if this tool is not on hand, but the 
adjustment operation can be more easily performed by using the tool.
*2 : Supplied by 1 set as a tool.
*3 : Used when test prints are necessary.
*4 : Papers indicated with “*4“ are required for performing “PF Micro Feed 
Adjustment (Bi-D)“ if users are using this type of papers.
*5 : These numbers may vary depending on destinations.
*6 : Bundled with the adjustment program.
Table 5-8. Adjustment Tools
Type
Name
Part Code
Note
Hardware 
ToolSonic Tension Meter U-505 1231678 ---
Code type microphone (U-505)
*1
1277074 ---
Microtrace#300 1057723 ---
Paper Thickness Position Tool
1282355Thickness:
0.3/0.4/0.8/0.9
*2
Multi Sensor Position Tool
1282354Thickness:
2.9/3.0/3.1
*2
Thickness Gauge=0.75 1400026 ---
Thickness Gauge=0.65 1400027 ---
CR Lock Tool 1284893 ---
Tension Gauge 10N 1401952 ---
Color Banding Sample 1288094 ---
Ink cartridge (x8)
*3
Refer to Table 
5-9.Consumable
Maintenance Tank
*3
C12C890191 Option
Proofing Paper Semimatte (Roll)*4 ---*
5
Genuine Paper
Premium Semimatte Photo Paper 
[250] (Roll)*4---*
5
Genuine Paper
Premium Glossy Photo Paper [250] 
(Roll)*4---*
5
Genuine Paper
EPSON Proofing Paper Semimatte 
(Commercial)*4---*
5
Genuine Paper
Enhanced Matte Paper (Roll)*3 ---*
5
Genuine Paper
Archival Matte Paper (Sheet)*3*4 ---*
5
Genuine Paper
Software 
ToolAdjustment Program --- Supplies
NVRAM Backup Utility --- Supplies
Paper Feed Adjuster --- Supplies
*6
Table 5-9. Ink Cartridge (110 ml)
Ink cartridge
Model Number
Stylus Pro 
4800
Stylus Pro 
4880/4880C
Stylus Pro 
4400
Stylus Pro 
4450
Photo Black C13T564100 C13T605100 --- ---
Cyan C13T564200 C13T605200 C13T543200 C13T613200
Vivid Magenta --- C13T605300 --- ---
Magenta C13T564300 --- C13T543300 C13T613300
Yellow C13T564400 C13T605400 C13T543400 C13T613400
Light Cyan C13T564500 C13T605500 --- ---
Vivid Light Magenta --- C13T605600 --- ---
Light Magenta C13T564600 --- --- ---
Light Black C13T564700 C13T605700 --- ---
Matte Black C13T543800 C13T613800 C13T543800 C13T613800
Light Light Black C13T564900 C13T605900 --- --- 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Overview 3755.1.7  Adjustment Program Basic OperationThis section describes basic methods for operating the adjustment program.†
Operating Environment„
OS: Widows 98, Me, 2000, XP
„
Port: USB port
„
Printer driver and ESM3 have to be installed.
†
Start-up
1. Double-click [adjwiz2.exe] to start the adjustment program.
2. Select the following items after the startup screen appears.
z
Printer name
Select the model of the printer in use.
z
Adj. Mode
Select whether to execute adjustments with the sequential mode 
(Sequence) or to execute each adjustment individually (Individual).
3. Click [Start].
Figure 5-1. Adjustment Program Startup Screen
†
Sequential Mode
This is a guide mode for executing the required adjustments in a set order 
when a replaced part or unit is selected.
1. Select the replaced part or unit from the left column and click [Add].
2. Click the [OK] button.
Figure 5-2. Sequential Mode Screen
†
Individual Adjustment Mode
This is a mode for executing each adjustment item individually.
1. Select the adjustment item to be executed and click the [OK] button.
Figure 5-3. Individual Adjustment Mode Screen

The adjustment program includes adjustment items to be 
used other than on-site. Regarding on-site repairs, do not 
execute adjustments other than those described in this 
manual. 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Mechanical Adjustment 3765.2  Mechanical Adjustment5.2.1  CR Timing Belt Tension AdjustmentThis adjustment applies to all operations that have resulted in removal or 
replacement the CR Timing Belt or loosening of the belt, such as CR Motor 
removal. This adjusts the belt tension to the correct tension after installation of 
the CR Timing Belt.†
Tools (Required)„
Sonic Tension Meter U-505
„
A tool to pluck the timing belt (tweezers, etc.)
†
Utility Tools (Adjustment possible without these)„
Code Type Microphone (U-505)
†
Standard Value„
Standard: 16.6±1N
†
Procedure
1. Install the CR Timing Belt. At this time, set the scale of the Pulley 
Holder at the same position it had before removal.
2. Manually move the Carriage Unit through a return and back 5 times.
3. Set the Carriage Unit in the home position.
4. Input the following belt information into the tension measurement tool.
z
Weight: 1.2
z
Width: 8.0
z
Spam: 6355. Bring the measurement microphone of the tension meter close to the 
center of the Timing Belt.
6. Press the MEASURE button on the tension measurement tool and 
measure by plucking the timing belt with a tool such as tweezers.
Figure 5-4. Setting the Tension Measurement Tool
	


„
Move the whole area of the Carriage Unit moving parts 
through the returns.
„
Try to make the speed of the return motions such that it 
takes 2 seconds for sending and 2 seconds for returning.
	


Set the tension meter fixed tool in a position so the distance 
between the measurement microphone and timing belt is 
within approximately 5mm but not touching the timing belt.

„
Pluck the belt as gently as possible so it can be 
measured by the tension measurement tool.
„
Do not allow the measurement microphone and timing 
belt to make contact when the belt is plucked.
within 5 mm
Tension Measurement Tool
Measurement 
microphone 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Mechanical Adjustment 3777. Turn the CR tension installation screw to adjust tension until the 
measurement value reaches the standard value.
8. After adjustment is complete, check the results by repeating the 
measurement 3 times.
Figure 5-5. CR Timing Belt Tension Adjustment
CR Tension Installation screw 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Mechanical Adjustment 3785.2.2  PF Timing Belt Tension AdjustmentThis adjustment applies to all operations that have loosened the PF Timing 
Belt, such as Motor Assy., PF removal. This adjusts the belt tension to the 
correct tension after installation of the Motor Assy., PF†
Tools (Required)„
Sonic Tension Meter U-505
„
A tool to pluck the timing belt (tweezers, etc.)
†
Utility Tools (Adjustment possible without these)„
Code Type Microphone (U-505)
†
Standard Value„
Standard: 17.6 ~ 21.6N
†
Procedure
1. Input the following belt information into the tension measurement tool.
z
Weight: 1.3
z
Width: 6.0
z
Spam: 47
2. Bring the measurment microphone of the tension meter close to the 
center of the timing belt (between the Motor Assy., PF pinion gear 
and the PF roller pulley).3. Press the MEASURE button on the tension measurement tool and 
measure by plucking the timing belt with a tool such as tweezers.
Figure 5-6. Setting the Tension Measurement Tool

Pay attention not to deform or damage the Scale, PF 
attached to the Pulley, Roller, PF when performing the 
following work.
	


Set the tension meter fixed tool in a position so the distance 
between the measurement microphone and timing belt is 
within approximately 5mm but not touching the timing belt.

„
Pluck the belt as gently as possible so it can be 
measured by the tension measurement tool.
„
Do not allow the measurement microphone and timing 
belt to make contact when the belt is plucked.
within 5mm
measurement microphone
within 5mm 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Mechanical Adjustment 3794. No adjustment is necessary if the measurement value is within the 
standard value. If the value is outside the standard value, use the 
following procedure to adjust the tension until it reaches the standard 
value.
5. Loosen the 2 screws fixing Plate, Motor PF by the amount shown 
below, and then adjust the timing belt tension by sliding Plate, Motor 
PF.
z
(+) Bind S-tight with plane washers 2 3x8, F/Zn : 1/4~2/4 turn
z
Shaft, Installation Plate, CR : 1/8 turn
6. After completing adjustment, tighten the 2 screws and measure 
tension again.
7. After the measurement value has reached the standard value, check 
the results by repeating the measurement 3 times.
Figure 5-7. PF Timing Belt Tension Adjustment
(+) Bind S-tight with plane washers 2
Shaft, Installation Plate, CR
Plate, Motor, PF 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Mechanical Adjustment 3805.2.3  Paper Thickness Sensor AdjustmentWhen the paper thickness sensor has been replaced, it must be made to 
recognize the thickness set as the detection standard. Check installation 
position condition with the self testing menu and perform adjustment if the 
result is NG.†
Tools„
Paper Thickness Position Tool (Gauge: 0.3/0.4/0.8/0.9)
†
Check Procedure
1. Enter Maintenance Mode 2.
Power off → Press Paper Source ()
3. Select SELF TESTING: Test.
Menu (>)
4. “Select Test: Sensor.
Paper Feed (∇) x 2 → Menu (>)
5. Confirm that Sen: Paper 00 is displayed in the panel (with [Paper 
Lever] in the lowered condition).
Perform adjustment if the displayed value is other than 00.
→ To Adjustment Procedure
6. Raise Paper Lever, set 0.3 adjustment jig from the rear paper feed 
slot as shown in Figure 5-8, and then lower [Paper Lever].
Confirm that Sen: Paper 00 is displayed in the panel.
Perform adjustment if the displayed value is other than 00.
→ To Adjustment Procedure7. Raise Paper Lever, set 0.4 adjustment tool as shown in Figure 5-8, 
and then lower Paper Lever.
Confirm that Sen: Paper 01 is displayed in the panel.
Perform adjustment if the displayed value is other than 01.
→ To Adjustment Procedure
8. Raise Paper Lever, set 0.8 adjustment tool as shown in Figure 5-8, 
and then lower Paper Lever.
Confirm that Sen: Paper 01 is displayed in the panel.
Perform adjustment if the displayed value is other than 01.
→ To Adjustment Procedure
9. Raise Paper Lever, set 0.9 adjustment tool as shown in Figure 5-8, 
and then lower Paper Lever.
Confirm that Sen: Paper 11 is displayed in the panel.
Perform adjustment if the displayed value is other than 11.
→ To Adjustment Procedure
10. Raise Paper Lever and remove 0.9 adjustment tool, and then confirm 
that Sen: Paper 10 is displayed in the panel while the Paper Lever 
is in the raised condition.
Perform adjustment if the displayed value is other than 10.
→ To Adjustment Procedure
11. After confirming/adjusting, check again with all adjustment tool. This 
time confirm after repeating up/down movement of Paper Lever 3 
times.
FIGURE 5-8. PAPER THICKNESS SENSOR ADJUSTMENT

Be sure to start check from the condition in which [Paper 
Lever] is lowered.
Gauge