Question about Xerox WorkCentre 5765 5775 5790 Fuser Module 109R00772

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On switching on the machine reads "ROS Motor failure"

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Seems like there are a lot of issues with this machine based on:
http://www.fixya.com/support/p2824428-xerox_workcentre_5765_5775_5790_fuser_mo
There appear to be several "experts" that may be able to help. I would look for other support, for example owner's manual and factory level troubleshooting support.
From the sound of it, there may be some kind of "jam" that is stalling the drive motor. Hopefully, you can find something that is causing the "stall" and then a way to "reset" the drive motor overheat protection that may be similar to larger motors with the red reset button.

Posted on May 05, 2015

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Posted on Jan 02, 2017

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Error 061-321 xerox workcentre 5024 - Xerox Office Equipment & Supplies


061-321 ROS Motor Fail
BSD-ON: CH6.5
The number of rotation of the ROS Motor did not come within the standard range within the specified time (5 s) after the ROS Motor On.
Cause/Action
1. Turn the power OFF and ON.
2. Check whether the Drum Cartridge is installed.
3. Check the ROS Motor (Output Check [061-001]) for operation failure.
4. Check the LD +5VDC power supply of the LD PWB J140 pin-8.
5. If no problem is found, replace the following parts in sequence:
• ROS Assembly (PL 2.1)
• ESS/MCU PWB (PL 18.3)
http://turbobit.net/upqkewkg8xjt.html

Feb 18, 2017 | Xerox Office Equipment & Supplies

1 Answer

What is a ROS system Failure


ROS stands for Raster Optical Scanner which is the scanner head/lense. This will need some cleaning from time to time depending on how much it is used. consult the printer manual on how to clean it.

Aug 06, 2014 | Xerox Office Equipment & Supplies

1 Answer

Oki B6250 displaying error: ROS failure call service.


ROS failure is the Laser Unit has gone bad and needs replaced.

Mar 10, 2014 | Xerox Phaser 6100/BD Laser Printer

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Xerox phaser 6360 laser failure code 10


You may have to replace the laser unit. Code 10 is a warmup failure. You need to reseat the connector to the ROS Harness first. If the issue persists, replace the laser unit. Issue persists, check continuity between pins J15 and J151. If there is continuity, replace the Engine Control Board, if not, replace the ROS Harness

Feb 03, 2014 | Office Equipment & Supplies

1 Answer

EPSON C1100 E 510 EROR


E510 idicate the ROS motor faulty... PWBA MCU could not receive signals output from SOS Sensor in ROS within the specified time.
Possible cause ROS assy, PWB MCU, Harness PWB, or LVPS..
but before you change any.. make sure all your cover are close properly..normally the fuser cover interlock switch can cause this error as well.. check the switch at the right side of the fuser cover...make sure it's not deform .

May 21, 2010 | Epson Aculaser C1100 Printer

1 Answer

Faxcentre f116 outgoing faxes are black i have replaced the scanner assy and the uc board 2 times and calibrated them each after the part was replaced


On this machine for black copies, the areas to check are the HVPS, The ROS, or the Print engin Board.
Most likely on this machine the HVPS can be the problem, then the ROS, then the printe engine board.
The definitions are the scanner platen is under the document feeder, the ROS is the actual laser scanner.
Taking this machine apart several times, one can also check the ground straps to the copy cartridge to make sure they are connecting to copy cartridge when it is inserted into the machine.

May 12, 2010 | Xerox FaxCentre F116 Plain Paper Laser

2 Answers

Error Code Call For Service


Most likely the laser has failed and needs replaced. Here is the documentation.

CA1 Indicates that the polygon motor in the ROS has failed.
arrwup.gifProcedure Enter output test, code 103, GP 10.
The polygon motor runs. Yes No Unanswered
Perform the following:
  • Check the connector CN26 on the Interface PWB. Refer to Wiring Diagram 4.
  • Check the harness and the pin connectors.
  • Check the Interface PWB for damage.
  • Install a new ROS, PL 9.10 Item 15.
  • Install a new Interface PWB, PL 9.30 Item 5.
Check at connector CN26 pin 4 on the Interface PWB for a low signal. Refer to Wiring Diagram 4.
The signal is low. Yes No Unanswered
Perform the following:
  • Check all the connectors to the interface PWB are pushed fully home.
  • Check the interface PWB for damage.
  • Install a new ROS, PL 9.10 Item 15.
  • Install a new interface PWB, PL 9.30 Item 5.
Perform the following:
  • Check all the connectors to the interface PWB are pushed fully home.
  • Check the interface PWB for damage.
  • Install a new interface PWB, PL 9.30 Item 5.

May 13, 2008 | Xerox WorkCentre Pro 416 All-In-One Laser...

1 Answer

Error code 11 phaser 7700 polygon motor failure


The polygon motor is part of the laser assembly, other wise know as the ROS, Raster Output Scanner.
It normally is not as simple as replacing the ros and moving on.
There are color registration adjustments to be done once the ROS is replaced. You can try contacting
https://www.partsdrop.com/store/
and seeing if they have one. That motor has the mirrors on it that rotate to focus the laser to the belt assembly.

Apr 24, 2008 | Office Equipment & Supplies

1 Answer

Error 10 laser unit failure on phaser 7700GX


That requires the replacement of either the ROS ( laser) assembly or the MCU board. I have seen both cause that code and indicate the laser has failed.
ROS is the laser assembly.
MCU board may not be detecting the ROS.
It is possible the connector that runs from the ROS to the board is loose, you may want to disconnect and reconnect that.
If the ROS is bad, you also have to have a laptop to connect to the machine to align the colors. That is called the regicon adjustment.

Apr 24, 2008 | Office Equipment & Supplies

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