![Konica Minolta bizhub 25e Скачать руководство пользователя страница 227](http://html1.mh-extra.com/html/konica-minolta/bizhub-25e/bizhub-25e_field-engineering-manual_1993091227.webp)
4-21
4.5.2 Blank image
Scanner section
Section
Step Check items
Result
Remedy
Scanner section
1
Is the scanner drive transmission
mechanism in good condition?
No
Check and replace as neces-
sary.
2
Do the connection from CIS to main
control board remain intact?
No
Reconnect / Replace harness.
3
Is the trouble settled with above
steps?
No
1. Replace CIS.
2. Replace main control board.
Printer section
Section
Step Check items
Result
Remedy
Drum cartridge
1
Is the drum cartridge driven properly?
No
Correct / Replace drive cou-
pling mechanism of drum
cartridge and machine.
Replace the drum cartridge.
2
Are the developing bias, supply bias
and blade bias contact terminal dirty
or deformed?
Yes
Clean / Repair
3
Are the grid bias, charge bias and
drum ground contact terminal dirty or
deformed?
Yes
Clean / Repair
Circuit boards
4
Are the connections from LED print
head and from high-voltage board to
main control board in good condition?
(Check plugs firmly plugged and
snapped harness.)
No
Reconnect / Replace harness
Transfer section
5
Is the transfer bias contact terminal
dirty or deformed?
Yes
Clean / Replace
6
Is the trouble settled with above
steps?
No
1. Replace drum cartridge.
2. Replace LED print head.
3. Replace main control board.
4. Replace high-voltage power
board.
5. Replace transfer roller unit.
Содержание bizhub 25e
Страница 1: ...bizhub 25e FIELD ENGINEERING MANUAL version 1 May 2013 DD1 91200 60 ...
Страница 2: ......
Страница 6: ...iv ...
Страница 48: ...1 42 ...
Страница 76: ...2 28 ...
Страница 153: ...3 77 First page of the report The resettable counter cleared date is printed with six figure of date month year ...
Страница 154: ...3 78 Second page of the report ...
Страница 155: ...3 79 Third page of the report ...
Страница 156: ...3 80 Fourth page of the report ...
Страница 200: ...3 124 ...
Страница 201: ...3 125 ...
Страница 254: ...5 4 5 2 1 URADF TRAY DOCUMENT 1 Pull and remove the TRAY DOCUMENT 2 from the Guide outer B up 1 ...
Страница 325: ...5 75 4 Install the ASSY SCRAPER 5 to the Drum unit 6 5 6 ...
Страница 353: ......