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Phaser u9 power supply fan failure - Xerox Phaser 7300DN Laser Printer

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Posted on Jan 02, 2017

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SOURCE: I moved my printer and now I get phaser 7300 power

U6 is a low voltage psu failure. It may be that the power connector to the engine controller board became dislodged during the move. You can check the details in the manual which you can download here.

Posted on Feb 22, 2012

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I moved my printer and now I get phaser 7300 power supply failure code u6 on start up. The printer just stops dead.


U6 is a low voltage psu failure. It may be that the power connector to the engine controller board became dislodged during the move. You can check the details in the manual which you can download here.

Oct 18, 2011 | Xerox Phaser 7300DN Laser Printer

1 Answer

My xerox pro 420 have U9 error?


The U-9 code means the main control unit/switch board has a problem, replace the board.

Jan 22, 2011 | Xerox 1 YEAR ON-SITE SERVICE AVAILABLE ON...

1 Answer

Code u9-80


This indicates a communication failure between the Main Control Unit and the operation control circuit board. Power the machine down and disconnect from hte power supply. Check all the connectors and wiring on the boards and also any loose wiring that may be grounding the machine. Power back up and if the fault persists a qualified copier engineer will be required.

Mar 10, 2010 | Sharp AR-M237 Copier

1 Answer

What is error U9?


This error has been detected with the power
supply cooling fan. Do the following steps :
Turn off the printer
wait 15 seconds
Then turn on the printer.
If the problem persists, check the support links at
www.xerox.com/officeprinting/1235support.

Regards

Ashly

Feb 03, 2010 | Xerox Phaser 7300DN Laser Printer

1 Answer

Xerox Phaser 8400 error


When you power on the unit it goes through a series of tests to determine that the correct voltage is going to each system within the phaser. The error code you've provided implies a Preheater error 37,008.44
AC power supplied by power sources such as uninterruptible power supplies (UPSs) or DC-to-AC inverter systems may not supply correct voltage to properly power up the printer. Likewise, other devices sharing the same AC circuit can cause AC voltage sags that cause the printer to fail its AC heater PEST tests (Print Engine Self Test).
My first suggestion is to remove any other devices from the electrical outlet the printer is on, and then power it on.
If the error persists, you've got a hardware failure internally and would need to replace the preheater and deskkew assembley, Xerox PN 119641980
By the way, the last 4 digits in your error code are the current page count of your printer. This number is relatively low and thus it begs the question is the printer still under warranty? The part in question is about $110, however installing it will not be an easy task if you've never taken a Phaser 8400 apart or you do not have a service manual.
My suggestion, if the machine is out of warranty, is that you bring it to a qualified repair technician for service, unless you feel comfortable doing the repair yourself.
best of luck in any regard




Sep 01, 2009 | Xerox Phaser 8400 Laser Printer

1 Answer

My xerox phaser 8500 will not turn on at all. I've tried restarting it, replugging it (in several different outlets) and it won't start up. It was working this morning and all of it sudden it just died. ...


If the printer is "dead" with no fans working then you might want to switch the power supply on the back. It has four or five silver screws. Then remove the inkloader from the top of the printer , and under the inkloader there are two more screw that hold the power supply and don't foreget to remove the cables I think it is a gray one and two white ones.These cables are connected to the top of the power supply. Then remove the right side cover, under the the power supply fan disconnect the 3 cables and the power supply should come out with no problem.
You might want to call www.iteminconline.com (800)367-4836, (703)971-5700 for extra support this guys are good. They well tell you exactly your problem if the solution that I gave you does not work.

Aug 06, 2009 | Xerox Phaser 8500/DN Printer

3 Answers

Xerox Phaser 8550dt printer


That is a known problem with the 8500 phaser family.
Contact Xerox at 1-800-835-6100, They WILL replace it for free. It is a known problem.
I really believe that display is failing. very common problem.
Just tell them the display is blank when you call. But they are faulty. Very faulty.

Sep 21, 2008 | Xerox Phaser 8500/DN Printer

1 Answer

Xerox 5328 copier error


U9-3
Xerographic process problem.

The Exposure sensor detected low Exposure Lamp intensity. Switch the Main Power Switch off then on in order to clear the Status Code. Go to the U9-3 Xerographic Process Problem RAP

U9-4
Xerographic process problem.

The Main PWB sensed that the Toner Dispense Motor was not running. Perform 20-3 U Codes Clearance . Go to the U9-4 Xerographic Process Problem RAP

U9-5
Xerographic process problem.

The CSDC zero point was too high during auto setup. Perform 20-3 U Codes Clearance . Go to the U9-4 Xerographic Process Problem RAP U9-5 Xerographic Process Problem RAP .

Aug 09, 2008 | Office Equipment & Supplies

1 Answer

I am geeting error code 48 on my phaser 7750dn


that is a fan failure code, Either the Fuser fan ( most likely) behind the back cover near the front.Low voltage power supply fan or rear cover fan is not operating.
Most of the time it is the fuser fan that is not running or even if its running slow it will give you that error code.

Here are the notes
Problem:
    Fan Failure Message (Code / Error 48)
Cause:
    The machine logic detected a failure of the Fuser fan, LVPS fan or rear fan.
Solution: thumbsup.gif Fixed! thumbsdn.gif Did not fix.
  1. Insure there is adequate ventilation around printer. Refer to Section 1 of Service Manual for required clearances.
  2. Follow the procedure in Chapter 3 for this error.
  3. This problem can be very intermittent. Fans can work in diagnostics and fail in the middle of large print jobs. If unable to duplicate problem replace all 3 fans.
  4. Use service diagnostics to verify the Fuser, LVPS, and ROS fans. These fans have a third wire which provides feedback to the Engine Board.
  5. Visually check each or these fans for a build up of dust or toner.
  6. There is a correction to this procedure in the Service Manual. The fans that can cause this error are the Fuser, LVPS, and ROS(laser fan). Not the Rear fan. The rear and bottom (developer) fans are not monitored by the system and won't generate this error.
Parts that may resolve this issue are:
  • FAN ASSEMBLY, FUSER (63%)
  • FAN ASSY; LOW VOLTAGE POWER SUPPLY (45%)
  • FAN REAR ASSEMBLY (Laser Fan) (25%)


May 05, 2008 | Office Equipment & Supplies

2 Answers

Fan Failure Error 54


1 of 2 things.
You need to clean or replace the fan.
You have to remove the back, right side and top cover to access that fan.It is near the back just behind the fuser module.
It could also be the low voltage power supply fan. Most likely the fuser fan.
Once you remove the fan, there is a label on it, remove the label, There is a rubber plug behind the label, remove the plug and drip some lubricant into the fan. Reassembly and it should be ok.
I would recommend replacing the defective fan though.
Here is a very reliable part source.
https://www.partsdrop.com/store/

If you call ask for Britt and specify the model number and that you need a fuser fan and probably order a Power supply fan, Neither are very expensive.
Have both on hand to be 100 percent sure the problem is resolved, But its a 90 percent fuser fan failure code. It operated in a heated area and can dry out faster.



Mar 27, 2008 | Xerox Phaser 7700 Laser Printer

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