Repair information
4-205
7541-03x
Adjustments
Calibrating the scanner
After replacing any of the following components, you must reset the scanner calibration values and check the
black levels of the scanner:
–
Flatbed scanner assembly
–
ADF unit assembly
–
Flatbed scanner CCD assembly
Resetting the calibration values
Note:
If the printer menus do not match the following instructions, then contact your next level of support.
1.
Enter the Diagnostic mode: press and hold
3
and
6
, turn on the printer, and release the buttons when the
splash screen appears.
2.
From the Diagnostics menu, navigate to:
SCANNER CALIBRATION
> (select an assembly) >
Reset Calibration Values
Calibrating the scanner black levels
Note:
If the printer menus do not match the following instructions, then contact your next level of support.
1.
From the Diagnostic menu, navigate to:
PRINT TESTS
>
Print Quality Pages
Multiple test pages print. Use the first printed page to test the scanner black levels.
•
Adjust the ADF Front:
a.
Load the printed test page face up into the ADF.
b.
From the Diagnostics menu, navigate to:
SCANNER CALIBRATION
>
Copy Quick Test
.
c.
Compare the copy to the original test page, and then navigate to:
Adjust Calibration Values
>
ADF Front Black
d.
Adjust the values, and then touch
Submit
to save your changes. Increasing the value makes the
black level darker.
e.
To check the changes, reload the original test page, and then repeat the Copy Quick Test. Repeat
the steps as needed until you are satisfied with the ADF Front settings.
•
Adjust the ADF Back:
a.
Place the original test page facedown into the ADF, and select
Copy Quick Test
.
b.
Compare the copy to the original test page, and then navigate to:
Adjust Calibration Values
>
ADF Back Black
c.
Adjust the values, and then touch
Submit
to save your changes.
d.
To check the changes, reload the original test page, and then repeat the Copy Quick Test. Repeat
the steps as needed.
•
Adjust the Flatbed:
a.
Remove all pages from the ADF, and then load the original test page onto the flatbed scanner.
b.
Select
Copy Quick Test
.
c.
Compare the copy to the original test page, and then navigate to:
Adjust Calibration Values
>
Flatbed Black
d.
Adjust the values, and then touch
Submit
to save your changes.
e.
To check the changes, reload the original test page, and then repeat the Copy Quick Test. Repeat
the steps as needed.
Содержание X925
Страница 14: ...xiv Service Manual 7541 03x ...
Страница 182: ...3 50 Service Manual 7541 03x ...
Страница 228: ...4 46 Service Manual 7541 03x 5 Remove the two screws C 6 Remove the two screws D ...
Страница 229: ...Repair information 4 47 7541 03x 7 Remove the one screw E 8 Remove the four screws F on top ...
Страница 230: ...4 48 Service Manual 7541 03x 9 Remove the two screws G on top 10 Remove the two screws H ...
Страница 231: ...Repair information 4 49 7541 03x 11 Remove one screw I 12 Remove the screw J ...
Страница 234: ...4 52 Service Manual 7541 03x 4 Remove the three screws B securing the bottom of power supply to the power supply cage ...
Страница 242: ...4 60 Service Manual 7541 03x 6 Remove the screw C from the lower left corner of the scanner power supply ...
Страница 263: ...Repair information 4 81 7541 03x 8 Push the fan cage back 9 Remove the two screws E in the upper right corner E ...
Страница 285: ...Repair information 4 103 7541 03x 4 Disconnect the fan cable B from the MDCONT engine board ...
Страница 300: ...4 118 Service Manual 7541 03x 5 Remove the screw C 6 Remove the screw D ...
Страница 301: ...Repair information 4 119 7541 03x 7 Remove the screw E ...
Страница 312: ...4 130 Service Manual 7541 03x 3 Remove the two screws A securing the motor frame to the ADF main feeder unit ...
Страница 342: ...4 160 Service Manual 7541 03x 4 Pull the two tabs B back to release the sensor from the mounting bracket ...
Страница 347: ...Repair information 4 165 7541 03x 4 Remove the hinge 5 Pull the inner top cover away from the ADF main feeder ...
Страница 351: ...Repair information 4 169 7541 03x 4 Lift the cover up and slide the tab on the cover out of the ADF assembly ...
Страница 358: ...4 176 Service Manual 7541 03x 6 Lift and pull the tray away from the printer ...
Страница 368: ...4 186 Service Manual 7541 03x 5 Take the MPF shaft out 6 Remove the MPF roll ...
Страница 392: ...5 4 Service Manual 7541 03x Rip Board connectors ...
Страница 398: ...5 10 Service Manual 7541 03x Printhead controller connectors ...
Страница 407: ...Locations 5 19 7541 03x Engine board connectors ...
Страница 426: ...5 38 Service Manual 7541 03x ...
Страница 428: ...6 2 Service Manual 7541 03x ...
Страница 430: ...7 2 Service Manual 7541 03x Assembly 1 Covers ...
Страница 432: ...7 4 Service Manual 7541 03x Assembly 2 Flatbed and ADF ...
Страница 434: ...7 6 Service Manual 7541 03x Assembly 3 Flatbed ...
Страница 436: ...7 8 Service Manual 7541 03x Assembly 4 ADF 1 ...
Страница 438: ...7 10 Service Manual 7541 03x Assembly 5 ADF 2 ...
Страница 440: ...7 12 Service Manual 7541 03x Assembly 6 Duplex components 1 ...
Страница 442: ...7 14 Service Manual 7541 03x Assembly 7 Duplex components 2 ...
Страница 444: ...7 16 Service Manual 7541 03x Assembly 8 Paper exit ...
Страница 446: ...7 18 Service Manual 7541 03x Assembly 9 Base 1 ...
Страница 448: ...7 20 Service Manual 7541 03x Assembly 10 Base 2 ...
Страница 450: ...7 22 Service Manual 7541 03x Assembly 11 Base 3 ...
Страница 452: ...7 24 Service Manual 7541 03x Assembly 12 Paper feed ...
Страница 454: ...7 26 Service Manual 7541 03x Assembly 13 Electrical 1 ...
Страница 456: ...7 28 Service Manual 7541 03x Assembly 14 Electrical 2 ...
Страница 458: ...7 30 Service Manual 7541 03x Assembly 15 Upper assembly ...
Страница 460: ...7 32 Service Manual 7541 03x Assembly 16 Printhead controller board cables ...
Страница 462: ...7 34 Service Manual 7541 03x Assembly 17 Paper trays ...
Страница 464: ...7 36 Service Manual 7541 03x Assembly 18 Fuser ...
Страница 466: ...7 38 Service Manual 7541 03x Assembly 19 550 sheet option feeder covers ...
Страница 468: ...7 40 Service Manual 7541 03x Assembly 20 550 sheet option feeder base ...
Страница 470: ...7 42 Service Manual 7541 03x Assembly 21 550 sheet option feeder paper feed ...
Страница 472: ...7 44 Service Manual 7541 03x Assembly 22 550 sheet option feeder tray ...
Страница 488: ...I 14 Service Manual 7541 03x ...