Question about Samsung SCX 4521F All-In-One Laser Printer

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Printer displays message "Front or Rear Cover open". I have checked it many times and even replace the cartridge, restart the printer. But problem still persist. plz help. Its really urgent.

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Hello replace cartridge again and then close the door properly.

Posted on Aug 31, 2010

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Posted on Jan 02, 2017

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Cartridges error on a lexmark


Error: "Invalid Toner Cartridge"; Error: "Invalid Refill"; Message: "Change Cartridge"
Solution
One of these error messages may appear on the printer display immediately after or shortly after a new toner cartridge is installed into the printer. Note: This may not be specifically a toner cartridge problem; the error may be due to a stuck cover open switch on the printer.

To see if the cover open switch is the cause of this problem, open the top front cover and observe the message on the printer's display panel. The display should read Close Door or Insert Cartridge.


If this message is not displayed, the top cover open sensor and switch will need to be replaced. In addition, the printer may have damaged the new toner cartridge. If the cover open sensor is not operating properly, a new cartridge can be incorrectly flagged as a refilled cartridge by the printer. If this happens, the new cartridge will continue to cause an Invalid Refill or Invalid Cartridge error even if you try reinstalling it or installing it into another printer. If this should occur, please contact the point of purchase of the cartridge to find out how to get the cartridge replaced.

Caution: If the cover open sensor is not operating, do not install another new toner cartridge until you have completed the directions below. Inserting another new cartridge can cause that cartridge to stop working as well. Should this situation arise, please take the following actions:


Place the original working cartridge (the empty or near-empty one) back into the printer. This should clear the error message.

Turn the printer off. Doing this will disengage the cover open sensor.

With the printer switched off, open the top lid and remove the old toner cartridge.

Now replace the old cartridge with another new Lexmark toner cartridge.

Power the printer back on. The printer should now read this cartridge as a newly installed toner cartridge and the error should be cleared. The printer and toner cartridge should function properly now, but the top cover sensor on the printer will still need to be replaced.

If your printer is still under warranty or covered under a service contract, please contact Lexmark Technical Support or your service provider for further recommendations and instructions. Until you can get the cover open switch replaced, remember to have the printer powered off whenever you replace the toner cartridge.

If the top cover switch appears to be working fine, or if you have followed the above steps and your printer continues to post an Invalid Toner Cartridge or Invalid Refill error, make sure you are using a new original Lexmark toner cartridge. A toner cartridge remanufactured or refilled by a third party can cause this error.

To help identify a refilled cartridge, look for the yellow label attached to the toner drum and the body of the toner cartridge. If this is damaged or removed, the cartridge may have been refilled.

If you are using a third-party refilled or remanufactured toner cartridge, it is recommended that you install a new Lexmark brand toner cartridge. Lexmark cannot guarantee the compatibility of any third-party toner cartridges with our printers.

OR

1 Switch on the Lexmark X83 printer.

2 Lift open the cartridge door at the front of the device, below the scanner unit. The printer automatically moves the cartridge carrier to the correct position.

3 Pull each ink cartridge toward you to unclasp it from the carrier. Lift the cartridge out of the cartridge carrier.

4 Clean the copper contacts on the bottom of each cartridge with a clean, dry lint-free cloth. Use a gentle, circular motion to clean the contacts.

5 Insert the ink cartridges back into the cartridge carrier. Push back firmly on each cartridge until it snaps into place.

6 Repeat each step in this procedure again. Close the cartridge door.

Oct 04, 2012 | Office Equipment & Supplies

1 Answer

Brothers Printer MFC 7420 Error Message "Back Door Open" I opened it and closed it several times still getting message. I unpluged it andtried again. Help


Hi. You have to follow these steps: Be very careful:

1. Open front cover, like in this image:
hiddenul_0.gif

2. Pull out your printer's toner cartridge & drum unit:
hiddenul_1.gif

3. Open back cover
hiddenul_2.gif

4. Pull the tab which is in front of you in order to open the rear chute cover.
hiddenul_3.gif

5. If there is any, pull the jammed paper out of the fuser.
hiddenul_4.gif



6. Close back cover and put the cartridge toner & drum unit back where it belongs.
hiddenul_5.gif

7. Close front cover too and see if it works! If your error will still appear, try powering your printer OFF & ON

I hope I helped you!

May 20, 2011 | Office Equipment & Supplies

1 Answer

Printer displays message "Front or


CHECK FOR THE LEAP SWITCH WHICH IS CLOSED WHILE THE COVER OF PRINTER IS CLOSED.

Feb 04, 2011 | Samsung SCX 4521F All-In-One Laser Printer

1 Answer

The printer is giving me service error E527 what can be done to overcome this error


Hi Good day!!!

This error message "Service Req E527" means that the toner carousel housing the toner cartridges is obstructed, or is unable to rotate correctly. It can be caused by installing a toner cartridge incorrectly.

Solution 1:Check that the toner cartridge at the front of the printer is installed correctly.

Solution 2: Manually remove all of the toner cartridges.
Close all the covers, and then power the printer off.Open Cover B, and then remove the photo conductor unit (PCU).Turn the toner carousel by hand to line up a toner cartridge with the front of the printer.Open Cover A.If the toner cartridge is not in position to remove it, close Cover A and repeat the steps above.Remove the toner cartridge, and then close Cover A.Repeat all the steps above until you have removed all four toner cartridges.Reinstall the PCU.Close all the covers, and then power on the printer.Open Cover A and Cover B.Check thoroughly for any jammed paper, foreign objects or damaged parts.If you can locate an obstruction, remove it. Then, close all the covers and restart the printer again. If you can identify any damaged parts, there is an obstruction you cannot remove, or there is no change after restarting the printer, then contact Epson for further advice.Reinstall the toner cartridges (Follow the prompts on the LCD display), and then test the printer.

Don't forget to vote thanks!!!

Nov 02, 2010 | Epson ACULASER CX11NF All-In-One Printer

1 Answer

Canon mx310 error message U051 check ink


This will clear your printer from displaying common printer errors like U053, U051 and U052. The importance of the "reset the cartridge" procedure is to avoid the printer from detecting your cartridge as reused one. The steps below is recommended to do after refilling an ink cartridge.
1. Turn off your printer
2. Press and hold the STOP/RESET button
3. Press and hold Power ON button
4. While holding the Power ON button, release the STOP/RESET button
5. While holding still the Power ON button, press twice the STOP/RESET button
6. Release the Power ON button
7. Wait until it display an "idle" message. It will take about a minute.
8. When "idle" appear, open the top cover to expose the cartridges.
9. Lift up the cover for cartridge holder and take out both the black and color cartridges
10. Return the cover of cartridge holder and turn off the printer
11. Return the top cover and turn on the printer again
12. After the printer initialize, return the cartridges.

What happened when ink ran out from a refilled cartridge and the printer detected it?
The printer will display an error U162 or U163. All functions of the all-in-one printer will stop and your printer will not work. The next thing you will know is you are in the front of a computer shop and buy a genuine canon cartridge.
But wait, there is still a way to fix this. Reset it again using a different procedure. Reset the detections of reusable cartridge.
1. Turn off your printer an turn it on again
2. After the printer initialize try to copy or print. The error will appear.
3. When the error is displayed on the display panel of the printer, Press and Hold the STOP/RESET button and wait until it self restart.
4. Release the STOP/RESET button the the printer is restarting.
5. Wait for a few seconds and the pending print jobs will commence.

Let me know if this works with you
Please rate this solution. Thanks

Aug 02, 2010 | Canon PIXMA MX310 All-In-One Printer

1 Answer

Back cover open message on brother mfc 7820n


Had same problem. Closer inspection revealed bit of paper out of sight. Removed the toner cartridge and worked to free torn paper. Then restart. Hope it helps.

Dec 15, 2008 | Brother MFC-7820N Printer

5 Answers

Toner install error


they could be a knows fulty black toners for these do u have all latest software is ther firmware update for the machine avb tonner droped in very well instaled lid latch broke

Jan 29, 2008 | Dell 3100cn Laser Printer

3 Answers

Error code 1203


To determine whether this error is due to a cartridge failure or a hardware problem with the printer, do the following: Make sure the printer is powered on. Open the printer's top cover. The print cartridge carrier moves and stops at the loading position. Press down on the cartridge lever to raise the cartridge lid. Remove the cartridges. With the cartridges out of the printer, close the top cover. Power the printer OFF and then back ON. Check the operator panel to see if the 1203 error has returned or if a new message is displayed. If the message displayed is 1203, there is something wrong with the printer hardware. Please contact Lexmark Technical Support. If the message is Cartridge Missing, reinstall the cartridges into the printer. Insert the black cartridge in the left carrier. Insert the color cartridge in the right carrier. Snap the lids closed. Close the top cover. Check the operator panel. If the 1203 message is still present, you need to insert one cartridge at a time to determine which cartridge is producing the failure. With one cartridge in the carrier, close the top cover and check the operator panel. If the 1203 message is displayed, that cartridge is producing the error. If Cartridge Missing is displayed, the second cartridge is the defective item. Please replace the defective cartridge.

Aug 20, 2007 | Lexmark P315 InkJet Photo Printer

1 Answer

HP1060 won't print


Have you looked at the front cover to see if the tab there is broken? (this will tell the PC that the front cover is still open) So you'll want to go around the edges of the printer cover to see if there's anything broken and a small hole in which the tab would insert into. If it is the case, and you don't want to spend money on fixing it, then do what I do...Rig up a paper clip and electrical tape to work as the tab, making the printer think that the front cover is always closed.

Mar 26, 2007 | HP LaserJet 1020 Printer

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