Diagnostic information
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Print quality—mottle (2–5mm speckles)
Keep running prints through, and the problem normally clears up. If the problem persists,
replace the developer cartridge.
Print quality—narrow vertical line
Print quality—random marks
Service tip: The primary cause of random marks is due to loose material moving around inside the printer and
attaching to the photoconductor unit, developer roll, or transfer belt.
Step
Questions / actions
Yes
No
1
Replace the photoconductor unit. See
“Developer unit removal” on page 4-47
.
Problem solved.
Replace the developer unit.
See
“Developer unit
removal” on page 4-47
.
Step
Questions / actions
Yes
No
1
Is there any loose or foreign material on the
imaging unit?
Inspect the imaging unit by
looking at the individual
developers and
photoconductors. Clean or
replace the faulty unit. See
“Developer unit removal”
on page 4-47
.
Go to step 2.
2
Is there any loose or foreign material on the
developer roll?
Replace the developer unit.
Go to step 3.
3
Is there any loose or foreign material on the
transfer belt?
Replace the image transfer
unit. See
“Image transfer
unit (ITU) removal” on
page 4-43
.
Contact your next level of
support.
ABCDE
ABCDE
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Содержание X548 Series
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Страница 191: ...Repair information 4 5 7525 63x Go Back Previous Next 4 Remove the three screws A on the rear side of the left cover A...
Страница 200: ...4 14 Service Manual 7525 63x Go Back Previous Next 9 Remove the two springs D 10 Remove the two screws E on the bottom D...
Страница 212: ...4 26 Service Manual 7525 63x Go Back Previous Next b Rotate the tab into position and replace the three screws A A...
Страница 300: ...4 114 Service Manual 7525 63x Go Back Previous Next 6 Remove the user interface controller card...
Страница 302: ...5 2 Service Manual 7525 63x Go Back Previous Next Rear Part name 1 Power 2 Line 3 Extension 4 Ethernet 5 USB 1 2 5 4 3...
Страница 303: ...Locations 5 3 7525 63x Go Back Previous Next Print engine interior view...
Страница 316: ...5 16 Service Manual 7525 63x Go Back Previous Next HVPS...
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Страница 326: ...7 2 Service Manual 7525 63x Go Back Previous Next Assembly 1 Covers 7 11 9 8 1 2 3 4 5 6 10...
Страница 328: ...7 4 Service Manual 7525 63x Go Back Previous Next Assembly 2 Scanner 2 1 4 3 5 6 8 10 11 12 7 13 9...
Страница 330: ...7 6 Service Manual 7525 63x Go Back Previous Next Assembly 3 Operator panel 1 2 3 4 7 8 5 6 9...
Страница 332: ...7 8 Service Manual 7525 63x Go Back Previous Next Assembly 4 Paperpath 5 2 4 7 6 1 3 8 9 3 10...
Страница 334: ...7 10 Service Manual 7525 63x Go Back Previous Next Assembly 5 Electronics 1 2 3 4A 4B 5 6 4C 4D 7 8...
Страница 336: ...7 12 Service Manual 7525 63x Go Back Previous Next Assembly 6 Electronics 2...
Страница 338: ...7 14 Service Manual 7525 63x Go Back Previous Next Assembly 7 Media drawers and trays 1 3 2 4 2...
Страница 344: ...I 4 Service Manual 7525 63x Go Back Previous Next...
Страница 347: ...Part number index I 7 7525 63x Go Back Previous Next...