Epson 4880 C Service Manual

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Basic Adjustment 421Figure 5-68. Setting the Calibrator/Measuring Position
Figure 5-69. Color Measuring ScreenFigure 5-70. Color Measuring OrderStart position in the color measuring End position in the color measuring
2005-04-11  14:44 (GMT  2005-04-11  05:44)
2005-04-18  14:39 (GMT  2005-04-18  05:39)S/N:0000000000 OS:Win BlackInk:Matte
Printer:EPSON PX-6500 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Basic Adjustment 422 22. Make sure that the READY message is displayed on the printer LCD 
panel, and click [Next] to write the Color ID to the printer main unit.
23. When the writing is complete, click the [Next] button.
Figure 5-71. Entire Process Screen 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Basic Adjustment 423 24. Load an A4-sized Archival Matte Paper vertically on the paper tray, and 
click [Next] to print the first page (Sheet1) of the verify chart.
25. When the first page of the verify chart is printed to the last, load an A4-
sized Archival Matte Paper vertically on the paper tray, and click [Next] to 
print the second page (Sheet2) of the verify chart.
26. Make sure that there is no missing dot in the verify chart.
If there is any defect, click [Print Verify Chart Again]. The verify chart will be 
printed again after performing cleaning.
If there are no missing dots, let the chart stand for five minutes until it dries 
out paying attention not to touch the chart
27. When the verify chart dries out (after five minutes), click [Next].
28. Connect the calibrator to the computer, and click [Measure].
29. Place the calibrator on the calibration base plate, and click [Calibrate].
30. Keep the calibrator remain set on the base plate, hold down the button on 
the side of the calibrator until it beeps.
Once the calibration completed normally, following screen appears.
Figure 5-72. Entire Process Screen
Never touch the printed calibration chart. 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Basic Adjustment 424 31. Make sure that the date and time printed in the second line on the upper 
left of the chart(measurable time and date) is within the range displayed 
under the heading GMT on the lower screen.(If the date and time is not 
within the range, it is necessary to print the chart again.)
32. Refer to Figure 5-73, lay the chart on the black paper (or sheet) with the 
upper part of the chart facing left side, and set the scanning ruller onto the 
bottommost patch line.
Figure 5-73. Setting the Chart and the Scanning Ruler
Figure 5-74. Measurable Date and Time Check
Sheet number
Sheet2
S/N : 0000000000
2005-04-07 12:38
(GMT 2005-04-07 03:38)
2005-04-14 12:33
(GMT 2005-04-14 03:33)
ƒ „ …
† ‡
Sheet2
S/N : 0000000000
2005-04-07 12:38
(GMT 2005-04-07 03:38)
2005-04-14 12:33
(GMT 2005-04-14 03:33)
Calibration 
patchMain unit serial number
Printed date and time
Measurable date and time 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Basic Adjustment 425 33. Click [OK] and follow the instructions (following procedure) displayed on 
the screen to perform color measuring.
1.Set the calibrator with its measuring part matched with measuring start 
position (gray part) as shown in Figure 5-68.
2.Press the button on the side of the calibrator.
3.When it beeps, keep holding down the button and scan the patch along 
the scanning ruller to measuring end position (gray part).
4.Once the measuring is complete, release the button.
5.Repeat Step 1 through 4 twice for the same patch line.
6.Repeat Step 1 through 5 to measure the bottommost line to the top 
line. (The line which needs to be measured is displayed on the 
screen.)
34. Once all the lines (5 lines) are measured, click [OK].
35. Measure Sheet 2 by following Step 31 through 34.
Figure 5-75. Color Measuring OrderFigure 5-76. Setting the Calobrator/Color Measuring Position
Figure 5-77. Color Measuring Screen
Start position in the color measuring End position in the color measuring 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Basic Adjustment 426 36. Click [Save] to save the result under a new file name (txt file).
37. Click the [End] button.
Figure 5-78. Entire Process Screen 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Basic Adjustment 427ADJUSTMENT PROCEDURE (SEPARATE WORKFLOW)†
Printing Calibration Chart (at repair work site)
1. Turn the printer power on.
2. Start the adjustment program and select [Colorimetric Calibration Tool].
3. Click [Run] to start “Colorimetric Calibration Tool”.
4. Click [Print Calibration Chart].
5. Perform Step 5 through 12 of Adjustment Procedure (Entire Process 
Workflow) to print the Calibration chart.
6. Lay one plain paper on the print surface of the Calibration chart, put them 
in a clear file together with the alignment check pattern, and send them to  
a place where the color measuring is carried out.Figure 5-79. Printing Calibration Chart

The printed calibration charts should be sent to a color-
measuring site immediately, as the color of the patch may be 
discolored in a week. 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Basic Adjustment 428†
Creating Color ID Data (at color measuring site)
1. Start the adjustment program, and select [Colorimetric Calibration Tool].
2. Click [Run] to start “Colorimetric Calibration Tool”.
3. Click [Color ID].
4. Select the type of the currently used black ink from the ”BlackInk pull-
down menu, and click [Next].
5. Perform Step 5 through 12 of Adjustment Procedure (Entire Process 
Workflow) to print the calibration chart.
6. Enter the 10-digit serial numbers that are printed on the calibration chart, 
and click [Next]
7. Click [Save], make sure that the file name is equilvalent to the main unit 
serial number, and save the color ID data (dat format).
8. Click [End].
9. Send the color ID data acquired in the procedure to the repair work site.
Figure 5-80. Generating Colorimetric Calibration ID Data
Perform the color 
measurement 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Basic Adjustment 429†
Writing Color ID (at repair work site)
1. Start the adjustment program and select [Colorimetric Calibration ID].
2. Click [Run] to start “Colorimetric Calibration Tool”.
3. Click [Write Color ID].
4. Perform Step 5 to 6 of Adjustment Procedure (Entire Process Workflow) 
to check the connection status to the printer.
5. Select [File] from “Input Method”.
6. Click [Specify the file], select the color ID data file (dat format), and click 
[Next].
7. Make sure that the S/N shown in the input data is the same as that of the 
connected printer and that it should be the same as the product number of 
the printer. Click [Next].
8. When the writing is complete, click [End]
Figure 5-81. Writing Colorimetric Calibration ID 
						

							EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CAdjustment Advanced Adjustment 4305.4  Advanced Adjustment5.4.1  Auto Bi-d AdjustmentPerforms Auto Bi-D Adjustment with the Multi Sensor. When the adjustment 
pattern is printed, this is automatically executed from scanning of the pattern to 
correction. The pattern is printed at PG=0.7/1.2, and the correction value is 
automatically copied for other PG settings.†
Paper Used„
Size: 17
„
Type:  Enhanced Matte Roll Paper
†
Procedure
1. Turn the printer on.
2. Start adjustment program and select [Auto Bi-d Adjustment].
3. Click the [Run] button to print the adjustment pattern.
4. As the pattern is printed, the printer automatically scans the pattern 
and makes corrections. (This is not necessary when making special 
adjustments manually.)
5. Click the [Finish] button.
Figure 5-82. Auto Bi-D Adjustment ScreenFigure 5-83. Adjustment Pattern
[PG=0.7]
[VSD1]  Rough =    4
[VSD1]  Fine = E :    0 [    0,    0,    0]
F :    0 [    0,    0,    0]D :    0 [    0,    0,    0] G :    0 [    0,    0,    0]
A :    0 [    0,    0,    0]
C :    0 [    0,    0,    0]B :    0 [    0,    0,    0]H :    0 [    0,    0,    0]
[VSD2]  Rough =    4
[VSD2]  Fine = E :    0 [    0,    0,    0]
F :    0 [    0,    0,    0]D :    0 [    0,    0,    0] G :    0 [    0,    0,    0]
A :    0 [    0,    0,    0]
C :    0 [    0,    0,    0] B :    0 [    0,    0,    0]H :    0 [    0,    0,    0]
[VSD3]  Rough =    4
[VSD3]  Fine = E :    0 [    0,    0,    0]
F :    0 [    0,    0,    0]D :    0 [    0,    0,    0] G :    0 [    0,    0,    0]
A :    0 [    0,    0,    0]
C :    0 [    0,    0,    0] B :    0 [    0,    0,    0]H :    0 [    0,    0,    0]
[Average]          VSD1 = 25,     VSD2 = 24,     VSD3 = 25,   ECO = 26
D row
G row
F row
A row
C row
B row H rowE row
VSD1
VSD2
VSD3