Volume 1 / Print Engine - Error Codes & Messages
1
-
59
RAP 1-13
Error Code U4-9
Fan Failure
Power Off/On
There is a problem with the Fuser Fan.
Logic control on the Print Engine Controller Board received a Fan Alarm signal from the
Fuser Fan.
Table 1-41 Error Code U4-9 Fan Failure Power Off/On
Step
Actions and Questions
Yes
No
1
FUSER FAN TEST
1. Enter Diagnostics Mode.
2. From the Main Menu, select Comp Output Test / IOT
Unit / Fuser Fan High to check the Fuser Fan function.
3. Press [4] to start, [0] to stop.
Does the Fuser Fan run when you start the
test?
Replace the
Print Engine
Controller
Board (RRP
1-72)
Go to step 2
2
LOW VOLTAGE POWER 24VDC
CHECK
Measure the voltage between P/J204-1 and P/J204-4
(on the Fuser Fan).
Is there +24VDC between P/J204-1 and
P/J204-4 on the fuser fan connector?
Replace the
Fuser Fan
(PL 8.1)
Go to step 3
3
LOW VOLTAGE POWER SUPPLY
REPLACEMENT
Replace the Low Voltage Power Supply Assembly (RRP
1-67).
Does the error code appear?
Go to step 4
Problem
solved
4
The following printer components and areas are
associated with this specific problem. One or more of
these components or areas may have failed partially or
completely. If you cannot isolate this problem using the
steps in this Repair Analysis Procedure, replace each
component or troubleshoot each area listed below, one at
a time, until you isolate and solve the problem.
Wiring and connectors linking the components
Input/Output Board (RRP 1-70).
Содержание DocuPrint N4525
Страница 50: ...1 28 DocuPrint N4525 Network Laser Printer Service Guide Blank Page ...
Страница 202: ...1 180 DocuPrint N4525 Network Laser Printer Service Guide Blank Page ...
Страница 290: ...1 268 DocuPrint N4525 Network Laser Printer Service Guide PL 1 2 Front Cover Fig 1 98 Font Cover S4525 158 ...
Страница 296: ...1 274 DocuPrint N4525 Network Laser Printer Service Guide PL 2 2 Tray Unit End Guide Fig 1 101 Tray Unit End Guide ...
Страница 328: ...1 306 DocuPrint N4525 Network Laser Printer Service Guide PL 6 1 Registration Fig 1 117 Registration S4525 177 ...
Страница 338: ...1 316 DocuPrint N4525 Network Laser Printer Service Guide PL 8 1 Fuser Assembly Fig 1 122 Fuser Assembly S4525 182 ...
Страница 352: ...1 330 DocuPrint N4525 Network Laser Printer Service Guide PL 11 1 Power Unit Fig 1 129 Power Unit S4525 189 ...
Страница 358: ...1 336 DocuPrint N4525 Network Laser Printer Service Guide PL 11 4 Wiring Harness Fig 1 132 Wiring Harness S4525 192 ...
Страница 369: ...Volume 1 Print Engine P J Connector Locations 1 347 P J Location Map 1 Fig 1 133 P J Location Map 1 S4525 148 ...
Страница 370: ...1 348 DocuPrint N4525 Network Laser Printer Service Guide P J Location Map 2 Fig 1 134 P J Location Map 2 S4525 149 ...
Страница 371: ...Volume 1 Print Engine P J Connector Locations 1 349 P J Location Map 3 Fig 1 135 P J Location Map 3 S4535 150 ai ...
Страница 372: ...1 350 DocuPrint N4525 Network Laser Printer Service Guide P J Location Map 4 Fig 1 136 P J Location Map 4 S4525 151 ...
Страница 373: ...Volume 1 Print Engine P J Connector Locations 1 351 P J Location Map 5 Fig 1 137 P J Location Map 5 S4525 152 ...
Страница 374: ...1 352 DocuPrint N4525 Network Laser Printer Service Guide P J Location Map 6 Fig 1 138 P J Location Map 6 S4525 153A ...
Страница 375: ...Volume 1 Print Engine P J Connector Locations 1 353 P J Location Map 7 Fig 1 139 P J Location Map 7 S4525 154 ...
Страница 376: ...1 354 DocuPrint N4525 Network Laser Printer Service Guide P J Location Map 8 Fig 1 140 P J Location Map 8 S4525 155 ...
Страница 380: ...358 DocuPrint N4525 Network Laser Printer Blank Page ...