Question about HP LaserJet 4100dtn Printer

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No display on screen

I turned my printer off and then turned it on and the screen lights up but displays no words. It warms up like it works, but displays no message on the screen and will no print.

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Remove and re-install memory and dimm cards - follow the instructions above on their location

Posted on May 19, 2009


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Posted on Jan 02, 2017

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SOURCE: Printer not printing Wordart or Clipart in Word - newly installed on Vista laptop

Just download new printer driver Vista version

Posted on Sep 20, 2007

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SOURCE: blank display

If the printer control panel is blank when you turn on the printer, check the following items.
1 Make sure that the printer is plugged into an active electrical outlet receptacle that delivers the
correct voltage.
2 Make sure that the on/off switch is in the on position.
3 Make sure that the fan runs briefly, which indicates that the power supply is operational.
4 Make sure that the control-panel display wire-harness is connected. See the hint in the
procedure for Top cover.
5 Remove any HP Jetdirect or other EIO cards, and then try to turn the printer on again

Posted on Apr 05, 2008

  • 28 Answers

SOURCE: Xerox 8550 DN display does not work and printer does not print

This model of printer has a known fault with the LCD panel.

Contact xerox in your country, who will arrange to have a replacement front panel sent out to you to install

Posted on Aug 06, 2009

  • 904 Answers

SOURCE: Multi-Function Center MFC-240C All-In-One InkJet Printer: i get the message "print unable 36" displayed on m...

Error code 36 is generally because of a paper jam that was not cleared. Remove the rear jam cover (the plastic cover in the back center of the machine)and the paper tray and check for any pieces of paper. Sometimes just a scrap will remain, but it's enough to cause the machine to not work.

Once you've replaced the covers, if the jam code does not reset, turn the machine off and then back on.

Posted on Jun 04, 2010

  • 1 Answer

SOURCE: Canon BJC-70 color bubble jet printer

I need printing head for black print. Where to find it?

Posted on Jan 25, 2011

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My machine is konica minolta c252 my touch screen dont show any thing and havent light its hust black screen and i changed cable also not fixed pleas any one can help what is way for solve

Black Screen
When you turn the machine ON, if there is no display on the control screen and also there is no sound of warming up, then the problem is with the Print Conrol Board, (Main Mother Board) replace it and your problem is solved.Before doing that you can try replacing the RAMs.
Secondly, If you hear machine's normal warming up rotation sound and there is no display on the screen then please check the Display Cable, white VGA like cable connected with the control panel.Check, it may be loose or not properly connected.

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Whenever I switch on to start operating, during my waiting to warm up, it displays error code C-D369. and it doesn't function from there.

Error code reset:turn OFF the copier ,press and hold the Utility key to right hand,to left hand turn ON the copier,wait appaire on the display Trouble reset,touch the screen and turn OFF the copier.Wait 2 minute and turn ON.

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1 Answer

When I turn on the printer the display screen lights up but does not have any words on it.

Hold down the Menu button on the front of the printer for a few seconds and watch for the contrast on the LCD panel to start changing. Keep holding it down (screen will cycle continuously from light to dark until you let go) until you get to the desired contrast then let go.

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Sometimes when I try to copy from the glass the display says "warming up" then "scanner faiure" then turn off and on. I turn it off then uplug it, plut it back in and turn it on.. sometimes it works...

I am glad it will still print. Your problems as described are most likely caused by a faulty scanner bulb. One fine day, it probably will not work at all. Sorry about that!

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Make sure the image control board is not missing anything.
and maybe try replacing it with a diffrent image control board.

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I lost de word in the screen, i cant program de printer,

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Yor LCD screen may need to be replaced.

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Protection displayed on screen

See my post "HT-DB120 - PROTECTION due to shorted output stage "

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