Question about HP DesignJet 1050c InkJet Printer

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We Keep getting a false message that all printheads have failed. You have to power the printer off. and then back on to clear it.

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Upgrade the firmware. You can get the update from hp web site.

Posted on Jul 12, 2010

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Printhead stops and message claims there is an obstruction, but nothing there.


Make sure the ink cartridges are fully seated. Also, check for paper jams in the front (remove paper tray), and the back.

Jul 19, 2014 | Lexmark Pro901 All-In-One Inkjet Printer

1 Answer

Printhead error 935


A Printhead Error message indicates that the printhead (laser scanner) unit inside the printer is not working correctly. Make sure the printer is plugged straight into the wall and not through a surge device or power strip. Power strips and uninterruptible power supplies can cause a low amperage problem, which can trigger a false printhead error.

Aug 13, 2013 | Lexmark Optra S 1625 Laser Printer

1 Answer

I keep getting an error saying my printhead is missing on my lexmark printer


Try to clean the contacts of the printhead and the printer. If it doesn't work, unplug the power of the printer for about 30 seconds and plug it back in.

Sep 17, 2012 | Lexmark Prospect Pro205 Wireless...

1 Answer

Error 931


Solution What the error means

A Printhead Error message indicates that the printhead (laser scanner) unit inside the printer is not working correctly.
NOTE: On the E250d(n) models, all service errors are signified by the flashing of all of the lights. To determine if this is a printhead error, quickly double-press the pattlnk_312007_2142-continuebuttonicon_e120_en_us.gif button to see the secondary code. If the !, pattlnk_3132007_1545-paperjamicon_e340_e342_en_us.gif, and pattlnk_3132007_1542-continuebuttonicon_e120_en_us.gif lights are the only ones blinking, a printhead or a motor failure is indicated. For more information on deciphering the error lights, click here (PDF file, 255KB).

Clear the error

Step Action 1 If this is the first time you have seen the error, turn the printer off. 2 Leave the printer powered off for 10 seconds or more before turning it back on. This gives the printer a chance to reset. 3
Power the printer back on. If it goes to the Ready state, try printing again. If the error does not return, continue using the printer. 4
If the printhead error returns when the printer is powered on or when you try to print again, follow the suggestions below.


Check the power source the printer is plugged into

If this is an intermittent error, you may want to check how the printer is plugged into the wall.
Make sure the printer is plugged straight into the wall and not through a surge device or power strip. Please try this even if the printer previously worked correctly with this surge device. Power strips and uninterrupted power supplies can cause a low amperage problem, which can trigger a false printhead error.
You may also want to try plugging the printer into a different wall outlet to see if the printhead error continues. This will eliminate the power source as a possible cause of the issue.

If the error continues

If the error does not clear, the printer will probably require service to correct the issue. Please contact Lexmark Technical Support or a local authorized servicer for assistance.
When calling Lexmark Technical Support for service, please be prepared to describe the problem you are experiencing or the error message on the display. You will also need to provide your printer's model type and serial number. This information can be found on a label on the inside of the front cover of the printer.
Please call from near the printer in case the technician asks you to perform a task involving the printer.


Have a nice day and do not forget to rate please...!

May 14, 2012 | Lexmark Optra S 1255 Laser Printer

2 Answers

Lexmark c782 ps printer has printerhead error..108.10


hi
If this is the firsttime the error has occurred, try turning the printer off. Let it sit turned off for atleast 20 seconds before powering it back on. If powering the printer offand back on clears the error, continue using the printer but watchit to see if any printhead errors return. If your printer continues todisplay a Printhead Error message, make sure it is plugged straight tothe wall and not through a surge device or power strip. Power strips anduninterrupted power supplies can cause a low amperage problem in your printer.This can trigger a printhead error even if the printer has worked on this surgedevice for months.
If theprinter continues to post a 930 Printhead Error, it thinks thewrong printhead unit is installed. If the printer was recentlyserviced, make sure the correct parts were used. This is especially true if theparts replaced were either the printhead unit or the printer's engine/systemboard. It is in one of these two parts that the printer is detecting theproblem. Note: If you are the personrepairing such a printer, please be aware that parts from different,though similar, printer models may not be compatible with this printer.Also make sure to check the laser cable going from the printer's engine boardto the printhead unit, as it reads that signal. If the printer was notrecently serviced before this error occurred and powering the printer off andon does not help, the printhead unit and possibly the laser cable or theengine/system board to this printer may need to be replaced.
If the printer continues topost a 931 Printhead Error, it thinks there is an error in the signalgoing to the laser or the Hsync part of the printhead assembly. If the printer continues topost a 932 Printhead Error, it thinks there is an Hsync error occurringin the printhead assembly. If the printer continues topost a 933 Printhead Error, it thinks there is a failure in either theHsync signal or with the mirror motor unit of the printhead. If the printer continues topost a 934 Printhead Error, it thinks there is a "lock"failure with the mirror motor assembly within the printhead assembly. If the printer continues topost a 935 Printhead Error, it thinks the mirror motor unit within theprinthead unit cannot reach its operating speed.
If powering the printer offand on does not clear any of these errors and it is alreadyconnected directly to the wall, your printer may require service. Itcould have a defective printhead unit or there might be a problem with theengine board or one of the printhead cables. Note:If you are the person repairing such a printer, check all of the cablesgoing from the printer's engine board to the printhead unit for any damage.Also check the continuity across these cables.

May 31, 2011 | Lexmark Office Equipment & Supplies

1 Answer

My HP Officejet 8500 pro Wireless does not align. I have just put original HP cartridges. It shows a fail message and asks to refer to documentation


This is a mechanical problem... you need to refresh the settings on the printer.
Follow this steps to make your printer working
*Clean all the toners manually. (make sure that the printer is on) -get a clean wet cloth/ cotton swab. -take out all the ink cartridges in the printer. -use the wet cloth/cotton swab to clean the electrical contacts on the ink cartridge it self. -when your done cleaning all of them, put them in a warm area and make sure that it will not leak. -go back to your printer then, take out the printhead (the one that holds the inks) then you need to clean the electrical contacts as well.
after you cleaning those toners put them all back to the printer. click here to view the video clip on how to put back the printhead. click here to view the video clip on how to put back the inks. close the cover. (the cartridge access door) when your done doing it, proceed to the next step.
*Power cycle the printer -turn off the printer. -unplug the power cable at the back of the printer. -wait for 1min. -plug the power cable back in. -turn on the printer
*Clean the toners using the control pannel of the printer -press the Setup (wrench icon) button -keep on pressing the right arrow key then, look for the "tools menu" -under tools menu look for "clean printhead" -after your done cleaning it and its ask for level 2 cleaning process, please do so. -after cleaning press the setup again, look for tools, then look for align printer. -after aligning it, you should be getting the message "Alignment Successful"
Note: If your still getting the message "alignment failed" contact HP printers support department 1-800-474-6836.
Congrats in advance! :)

Jan 27, 2011 | HP Officejet Pro 8500 Wireless All-In-One...

1 Answer

HP 2575 printer - paper jam message


Resetting the product may help with some false error messages. Press power button to turn printer off, unplug the power cord, wait a few seconds, plug it back in, press power button to turn printer back on. Any luck?

Dec 13, 2009 | HP Photosmart 2575 All-In-One InkJet...

1 Answer

My HP Officejet Pro L7780 All-In-One InkJet Printer was jammed with paper. I believe I got it all out and now the display reads" Printhead problem- the following printhead has a problem: magenta/cyan...


There are two possibilities here Joanne, first, it could be a false error message or else second, the Cyan/Magenta print head has gone bad.Try the following:
1. Take the Cyan/Magenta printhead out. Remember, the printhead...not the cartridges.
Clean the copper contacts with a Q Tip, moistened with plain water. Wait till it dries, put the printhead back in.
2. If this does not resolve the issue, unplug the power cord from the back and press and hold the power cord for 30 sec. This will drain all the static charges. Plug it back after a couple of minutes and see if the error message re appears.

Jul 02, 2009 | HP Officejet Pro L7780 All-In-One InkJet...

1 Answer

I keep getting an error (81:01)


The problem refers to basically a paper jam. I thing your problem could however be the carrage movment. There is a special oil required for the carrage, but failid this use a very thin oil such as sewing machine oil. The trick is to not use too much oil, only a drop or two over the entire length of the carrage. Also needs to be oiled is UNDER the rail towards the back. Look carefully at the back of the carrage where it has the back slider. This rail needs to be clean and lubricated. Probable easier to clean and lubricate if you remove the encoder strip.
Regards
Dave

Dec 10, 2008 | HP DesignJet 500ps InkJet Printer

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