Question about Zebra Z4Mplus Label Printer

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Head sensor problem

An OPEN HEAD SENSOR PROBLEM show in the LCD display, what could cause this problem and where is this sensor located

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The sensor(printhead and media sensor) from the print head is the metalic plate next to the black plastic(gap sensor) sensor unther the printhead on the left side.
try to push up the sensor, some times is hard but can be the solution.

Posted on May 05, 2008

How tosave head for damge propse

Posted on Apr 30, 2008

  • Paulo  Rangel
    Paulo Rangel Nov 13, 2010

    keep the labels out from the dust, clean the printhead and the rollar in all times with wipes ( especific ones) and keep the door close, use ribbon.use darkness between 15 and 24, use normal speed

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Posted on Jan 02, 2017

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1 Answer

Black screen delld600


Several things can cause your Dell Latittude D600 laptop's LCD screen to stop working.

Two of the most common causes relate directly to the inverter board and the backlight lamp.


The inverter board is a thin circuit board placed inside the LCD panel.

It's main function is to transfer power from the motherboard to the backlight bulb inside the LCD screen.


If the inverter board goes bad or the backlight lamp burns out, the screen will appear dim or eventually go completely black.


Turn off the laptop, unplug the power cable, close the LCD panel and place the laptop face down.

Remove the battery pack from its compartment on the bottom of the computer.


Flip the laptop back over and reopen the display panel all the way until it is in a 180-degree position.

Insert a flat head screwdriver into the right side of the keyboard bezel.


This is the plastic strip situated above the top row of keyboard keys. Carefully pry the bezel from the laptop.

Remove the two Phillips screws located above the top row of keyboard keys.


Grasp the top edge of the keyboard, tilt it upward and lay the keyboard face down on the palm rest area.

Unplug the keyboard's ribbon cable from the motherboard connector.


Carefully remove the entire keyboard from the laptop.

Disconnect the video and speaker cables extending from either side of the LCD panel to the motherboard.


Loosen the Phillips head screws on each LCD panel hinge.

Carefully lift the entire LCD panel off the laptop's base.


Relocate the panel to a flat work surface, and place the panel so the screen is facing upward.

Use a thin, flat head screwdriver to pry the rubber screw covers from the LCD panel's front plastic cover.


Remove the Phillips head screws revealed by the rubber covers.

Carefully remove the front plastic cover from the display panel.


Locate the inverter board situated below the LCD screen, inside the bottom edge of the display panel.

Disconnect the two cables from each end of the inverter.


Remove the two Phillips head screws fastening the inverter to the display panel.

Carefully lift the inverter board out of the display panel, and dispose of it.


Repeat this procedure in reverse to install the new inverter board, and reassemble the laptop.


Hope this helps


Oct 23, 2012 | Dell Latitude D600 Notebook

1 Answer

My HP Laserject 5100 Printer has the Paper Jam Problem. After that, I check printer. But i haven't seen any paper jam. When i print out, nothing show on paper and show the paper jam.. How to fix?


Hi,

This error message is displayed by the printer when paper is jammed in one or more locations. In such a case, users are recommended to remove the jammed paper from the specified location. The entire paper path must be checked for any pieces of paper. To stop the message, open and close the top most cover of the printer. Lastly, verify the flags and the sensors. If the problem persists, the cause of the error message could be a broken sensor or sensor lever.

Jul 04, 2011 | HP LaserJet 5100 Printer

1 Answer

I have a IBM 9068 Model S01,it is sometimes showing error code 18.If I tilt up the printer assembly during the printer power on it is ok.If I tilt down the printer assembly meaning to it's original...


Error 18 is a "Paper Edge Search Error".


1. Check document for damage and check it meets specs.
2. Check that Ribbon Cartridge is installed correctly.
3. Do "Form-Edge Sensor Service Check"
4. Do "Platen" adjustment.

Sensor Status Display:

1
. Start Self-Test (press and hold Start 1 on panel: then turn on printer. Keep holding button until at least "00" is displayed.
2. Use a magnet to override cover closed/open sensor to the left of the Start1 button in the indent.
3. Press Reject Off button until "4" is displayed.
4. Press Start1 button to shift to next digit.
5. Press Reject Off to display "4"
6. Display should now read "44"
7. Press Start2 button. The LED display indicates sensor status'
8. You will see changes with inserting paper or removing paper.

FORM-EDGE SERVICE CHECK:
Perform sensor status display as stated above. The sensor is located on the print head carriage on the left side.

1. The upper right vertical segment of the left LED digit is assigned to the form-edge sensor for Command "44"
With no paper the LED segment is unlit.
2. Check the sensor by inserting paper. Move the print carrier to the right to access the sensor mounted on the print carrier.
If the LED segment becomes lit when you insert the paper, and becomes unlit when you remove the paper, sensor is OK.
3. If the sensor does not work, check that the sensor cable is connected correctly. If the cable is okay, replace the following one at a time:
a. Form Edge Sensor -46H2648
b. Form Edge Sensor Cable -46H2730
c. Main Card -
1.46H2632 - Serial Interface
2.46H2634 - Parallel Interface

PLATEN ADJUSTMENT:

_1881.jpg

Mar 28, 2011 | IBM Office Equipment & Supplies

1 Answer

The screen just show "paper


This error message is displayed by the printer when paper is jammed in one or more locations. In such a case, users are recommended to remove the jammed paper from the specified location. The entire paper path must be checked for any pieces of paper. To stop the message, open and close the top most cover of the printer. Lastly, verify the flags and the sensors. If the problem persists, the cause of the error message could be a broken sensor or sensor lever.

Feb 16, 2011 | Canon MX300 Office All-In-One Printer

1 Answer

THE LCD DISPLAY OF MY CAMERA IS NOT WORKING. AS WELL AS THE FLASH


There are two problems here. The Rebel XT flash has an issue of not popping up when the button is pressed. See this page for some discussion and suggestions:
http://photography-on-the.net/forum/showthread.php?t=203699

Is the camera otherwise powering up and taking pictures and downloading them? Make sure it is not a battery problem

The display not showing up? If this only occurs in the shooting mode, press the DISP button . Another reason the display shuts down is when you look through the viewfinder- a sensor knows your cheek is next to the screen and shuts off the display. If anything blocks the sensor (located under the viewfinder, the display shuts off.

If the problem also occurs when you are trying to view the pictures (when you press the button with the little triangle) it is more serious and shows there is something wrong with the hardware of the LCD display. In that case consult Canon support.

Jan 05, 2011 | Canon Rebel XT / EOS 350D Digital Camera

1 Answer

Printhead carriage jam facult is showing. No jam, I tried calling the help line. I still have the printhead error fault.


This error message is displayed by the printer when paper is jammed in one or more locations. In such a case, users are recommended to remove the jammed paper from the specified location. The entire paper path must be checked for any pieces of paper. To stop the message, open and close the top most cover of the printer. Lastly, verify the flags and the sensors. If the problem persists, the cause of the error message could be a broken sensor or sensor lever.

Nov 15, 2010 | Kodak ESP 3 Multifunction Printer/ Copier/...

1 Answer

Paper jam problem fixed after removing toner and removing paper, but also now getting auto showing as well and ready and the cartridge ink levels. Auto not their before and now not printing. No errors...


This error message is displayed by the printer when paper is jammed in one or more locations. In such a case, users are recommended to remove the jammed paper from the specified location. The entire paper path must be checked for any pieces of paper. To stop the message, open and close the top most cover of the printer. Lastly, verify the flags and the sensors. If the problem persists, the cause of the error message could be a broken sensor or sensor lever. Check the following video hope this helps you.

http://h30434.www3.hp.com/t5/Other-printing-questions/Paper-Jam-Error/m-p/305772#M20513

Aug 26, 2010 | HP LaserJet 2840 Printer

1 Answer

Error Condition , Head Open on Zebra printer model: Z90-401-00204 We have play around the pressure but still the same. What would be the root cause? Mechanical or electronic board or sensor.


If the Head Open condition is showing when the head is closed, then the problem is with the Head Open Flag. It is located on the electronic side of the printer. You need to take off the side cover (with printer turned off). The lever that raises and closes the printhead is attached to a shaft (the pressure toggle is also on this shaft). Follow this shaft to the electronic side of the printer.

At the end of this shaft, there will be a black rectangular piece of plastic. This is the head open flag. When printhead is closed, the flag is positioned at the six o'clock position between two optic sensors. When the printhead is opened, the flag rotates clockwise to about the nine o'clock position. If the HEAD OPEN message appears when the head is closed, then the flag is out of position, usually it has become loose on the end of the shaft.

The flag is attached to the end of the shaft with an allen screw. Make sure the head is closed, position the flag to the six o'clock position between the two sensors and tighten the screw. this should take care of the problem.

Hope that helps !

Apr 16, 2010 | Zebra 105Se Thermal Printer

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