Question about Samsung ML-2240 Laser Printer

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Cover open error message. even though i closed the covers(like in the troubleshoot vid). can't print anything. red light.

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Posted on Jan 02, 2017

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SOURCE: HP Deskjet 5150 - top cover open

I had the same problem, and the cause turned out to be the cover switch not being fully pushed in. On the underside right edge of the top cover, there's a little triangular protrusion that pushes down a black rectangular button (the cover switch) when the cover is closed. The problem occurs because the flimsy top cover is made of plastic and flexes slightly when you close it. This means that sometimes, the right edge of the cover won't seat properly even though it appears as if the cover is closed all the way. When this happens, the triangular protrusion isn't fully pressing the switch down.

To test if this is this is happening, send a print job to the printer and wait for the "top cover is open" error message to appear. Next, open the top cover door and locate the cover switch. It's a little black button in a rectangular hole at the right edge of the doorway near the ink cartridges. Take a pen or a car key and use it to push the cover switch down. You can also use your fingertip to do this if it's skinny enough. If you keep the cover switch pressed down, the power button should start blinking to indicate a print job is coming through. If the print job actually starts printing, then you know the problem was the cover switch.

In my case, all I had to do the fix the problem was close the cover and make sure it was fully seated by firmly pressing down the right edge of the cover until I heard a plasticky "click" noise. After that, the problem went away.

Hope this helps.

Posted on Sep 16, 2008

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SOURCE: Inner Cover error on Canon PIXMA ip4300 printer

This is a "Sensor" issue, there is a sensor that detects when the Cover is closed, this is either faulty, not being activated, or being activated but not registering at the CPU. Sometimes it is an actual switch, others it is a hall effect sensor, optical, magnetic sensor or the like. Have a squiz and see if ya can see any sensor etc. maybe its blocked etc. Otherwise I think it's gonna have to go 4 repair.. If so get a firm "Quote" B4 allowing them to proceede.

Posted on Aug 01, 2007

SOURCE: printer cover open error message

Thanks but this suggestion didn't work.

Posted on Jan 04, 2008

  • 217 Answers

SOURCE: SAMSUNG CLP 500

The order iin which you open and close two of the covers is important, as there is an interlock between two of them. This can (and does) get damaged.

The toner access door is the first one you open, THEN the top cover (the one that gives access to the Transfer Belt and Drum.

Make sure the Drum unit is properly pushed into the printer, and that the Transfer Belt is lacated properly AND the two locking levers fot the Transfer Belt are in their locked positions PROPERLY.

THEN close top cover - you shouldn't need to force it.
Followed by the Toner access door.

Yes check the duplex door too !

If this fails it is likely to be a broken case part, or failed sensor.

Posted on Jan 17, 2008

mitpatterson
  • 74 Answers

SOURCE: Samsung CLP-300 - Cover Open error message, but covers are closed

Front cover is on the right hand side, back is on the left hand side in the middle, and the top cover is like a little button on top. All the others are little openings.

Posted on Dec 02, 2008

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1 Answer

Tow red signal


  1. Make sure the printer is turned on, then open the printer cover.


  2. Do one of the following:

    • If the red error light is on, press the Maintenance button.


    • If the red error light is flashing, press the Maintenance button. You see Ink Cartridge Replacement, highlighted in the Advanced Settings menu. Press OK.


  3. You see a message on the LCD screen telling you that ink cartridge replacement will begin. Press OK to continue. The print head moves to the replacement position.


  4. Open the cartridge cover.


  5. Press in the tab on the back of the cartridge and lift the cartridge out of the printer.


  6. Lower the cartridge back into the holder, with the green circuit board facing the front. Then gently push the cartridge down until it clicks into place.


  7. Close the ink cartridge cover.


  8. Press OK and close the printer cover.

    The printer begins charging the ink delivery system.


  9. When you see a message that charging is complete (after about a minute), press OK.

Dec 06, 2010 | Epson STYLUS R230 InkJet Photo Printer

1 Answer

I changed the ink in my Lexmark 3400 printer and I keep getting an error message "cover open" and it's not open. I tried everything....unloading the software then reloading the software, shutting it off...


The printer displays a 'Cover open, please close cover' error message, even though the cover is closed.

This can happen if the lever on the cover open sensor is knocked off the switch assembly.

Nov 30, 2009 | Office Equipment & Supplies

1 Answer

Lexmark x3470 printer says "cover open" and it will not do anything. Curtis


Try these as I found them from Lexmark's website

Solution What you will see
The printer displays a 'Cover open, please close cover' error message, even though the cover is closed.
Possible cause of the error
This can happen if the lever on the cover open sensor is knocked off the switch assembly.
What to do
Take the following steps to try to determine if there is a hardware fault:
Steps Actions 1 Remove and replace the cartridges from the printer. 2 Disconnect the power cable and the USB cable. 3 Check that the power cable is plugged directly into a wall socket. 4 Reconnect the power cable. 5 Close the printer cover. 6 If the error persists, please contact Lexmark Technical Support for further instructions.

Nov 18, 2009 | Lexmark X3470 All-In-One InkJet Printer

2 Answers

ML1610 SAMSUNG PRINTER PROBLEM


The online/error light is always red, and I can't print. I turn the printer off, change the toner and the light is still red, what can I do

Sep 13, 2008 | Samsung ML 1610 Laser Printer

2 Answers

HP Deskjet 5150 - top cover open


I had the same problem, and the cause turned out to be the cover switch not being fully pushed in. On the underside right edge of the top cover, there's a little triangular protrusion that pushes down a black rectangular button (the cover switch) when the cover is closed. The problem occurs because the flimsy top cover is made of plastic and flexes slightly when you close it. This means that sometimes, the right edge of the cover won't seat properly even though it appears as if the cover is closed all the way. When this happens, the triangular protrusion isn't fully pressing the switch down.

To test if this is this is happening, send a print job to the printer and wait for the "top cover is open" error message to appear. Next, open the top cover door and locate the cover switch. It's a little black button in a rectangular hole at the right edge of the doorway near the ink cartridges. Take a pen or a car key and use it to push the cover switch down. You can also use your fingertip to do this if it's skinny enough. If you keep the cover switch pressed down, the power button should start blinking to indicate a print job is coming through. If the print job actually starts printing, then you know the problem was the cover switch.

In my case, all I had to do the fix the problem was close the cover and make sure it was fully seated by firmly pressing down the right edge of the cover until I heard a plasticky "click" noise. After that, the problem went away.

Hope this helps.

Jul 23, 2008 | HP DeskJet 5150 InkJet Printer

1 Answer

Cover open error


There is a latch that preses a small switch when you close the cover (look for this) to indicate that it it close if it is broken you can tweek it using a toothpick or anything that may press the switch temporarily this may alow it to work as long as the switch stays down.

May 28, 2008 | Lexmark X3480 All-In-One Printer

1 Answer

Printer stops printing half way down page


Solution Use the instructions below to resolve the issue by restarting the product.
  1. Disconnect the Universal Serial Bus (USB) cable from the back of the product, but leave the product turned on.
  2. Open the cover of the product and remove the print cartridges.
  3. Close the cover and wait for the Insert Ink Cartridges message to display.
  4. Disconnect the power cord from the back of the product and wait for one minute.
  5. Reconnect the power cord. If the product does not automatically turn on, press the Power button.
  6. Open the cover and reinsert the print cartridges.
  7. Close the cover. If prompted, print a calibration page.
  8. Reconnect the USB cable, and try to print a print job from the computer.
If these steps did not resolve the issue, contact HP technical support for assistance.

Apr 29, 2008 | HP PSC 2355 All-In-One InkJet Printer

5 Answers

Printer trouble


Hi,

Find this in the web

http://h10025.www1.hp.com/ewfrf/wc/document?cc=hk&docname=c00489814&dlc=en&lc=en&jumpid=reg_R1002_HKEN

Use the instructions below to resolve the issue by restarting the product.
  1. Disconnect the Universal Serial Bus (USB) cable from the back of the product, but leave the product turned on.
  2. Open the cover of the product and remove the print cartridges.
  3. Close the cover and wait for the Insert Ink Cartridges message to display.
  4. Disconnect the power cord from the back of the product and wait for one minute.
  5. Reconnect the power cord. If the product does not automatically turn on, press the Power button.
  6. Open the cover and reinsert the print cartridges.
  7. Close the cover. If prompted, print a calibration page.
  8. Reconnect the USB cable, and try to print a print job from the computer.

Nov 29, 2007 | Office Equipment & Supplies

3 Answers

Printer cover open error message


I had that problem too.

Unplug the printer.
Hold the printer cover open while you plug in the printer.
Then wait for the printer to power on while still holding the cover open.
Then close the cover.
The buttons should work and th error message should be gone.

It worked for me.

Nov 01, 2007 | Lexmark X2250 All-In-One InkJet Printer

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