2-46
Service Manual
5025-2xx, 4xx
Print quality—narrow vertical line
Print quality—random marks
Service tip: The primary cause of random marks is 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
“Imaging unit (IU) removal” on page 4-45
.
Problem resolved.
Replace the developer unit.
See
“Developer unit
removal” on page 4-21
.
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 photo
conductors. Clean or
replace the faulty unit. See
“Imaging unit (IU)
removal” on page 4-45
.
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 4-40
.
Contact your next level of
support.
ABCDE
ABCDE
ABCDE
Содержание C 540n
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Страница 13: ...Notices and safety information xiii 10 2 2009 5025 2xx 4xx...
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Страница 196: ...4 54 Service Manual 5025 2xx 4xx 17 Swing the left lower frame away from the printer and remove...
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Страница 225: ...Connector locations 5 1 5025 2xx 4xx 5 Connector locations Locations...
Страница 227: ...Connector locations 5 3 5025 2xx 4xx Connectors...
Страница 236: ...5 12 Service Manual 5025 2xx 4xx High voltage power supply HVPS diagram...
Страница 237: ...Connector locations 5 13 5025 2xx 4xx Low voltage power supply LVPS diagram...
Страница 238: ...5 14 Service Manual 5025 2xx 4xx Toner meter cycle TMC card Wireless network card...
Страница 240: ...6 2 Service Manual 5025 2xx 4xx...
Страница 242: ...7 2 Service Manual 5025 2xx 4xx Assembly 1 Covers 4 3 1 10 6 5 8 7 2 9...
Страница 244: ...7 4 Service Manual 5025 2xx 4xx Assembly 2 Frames 5 2 4 7 6 1 3 8 9 3 10...
Страница 246: ...7 6 Service Manual 5025 2xx 4xx Assembly 3 Electronics 2 4 6A 5 1 6B 7 8 6C 3 9...
Страница 248: ...7 8 Service Manual 5025 2xx 4xx Assembly 4 Cables...
Страница 250: ...7 10 Service Manual 5025 2xx 4xx Assembly 5 Media drawers and trays 1 3 2 4 2...
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