Question about HP Laserjet CM2320nf All-In-One Color Printer

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Dc controller on hp laserjet pro cm1415fn - HP Laserjet CM2320nf All-In-One Color Printer

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: hp color laserjet printer gives 55.1 error

  1. Follow these steps to ensure proper reinstallment.
    Turn off the power by using the power switch, wait at least 30 seconds, and then turn on the power and wait for the device to initialize.
  2. If a surge protector is being used, remove it. Plug the device directly into the wall socket. Use the power switch to turn on the device.If the same error message occurs, reinstall the driver that came with your printer, or go to hewlett packards' website for the driver there.If you have done all of these steps and no help go to step number 3.

  3. If the problem continues, contact HP Customer Support Center for technical assistance at or see the flyer that came in the printer box for additional contact information.

Posted on Nov 25, 2008

  • 177 Answers

SOURCE: HP color laserjet printer problem

TAKE it to a computer store and have it checked out but and ask for their advice on what to do, and if it needs repair or not..

Hope this helps...

Posted on Dec 26, 2008

  • 14 Answers

SOURCE: no power on hp color laserjet 5550

you can download this is printer user's guide (under "download now" near the bottom of the page) help you.

Posted on Sep 10, 2009

  • 1 Answer

SOURCE: HP laserjet 5550 not printing cycan. Replaced

You will not find the answer to this problem on any forum as I have searched each one! However I have had the same problem and found out that if you have reseantly replaced or reseated the Paper Pic-up assy you may have not pushed down the plastic top cover which sits directly underneath the Cyan Cartridge, this will cause your 5550/5500 to think there is no problem and carry on printing without any error messages.
I'm just a man doing a boys job, lol

Posted on Feb 23, 2010

Testimonial: "Wow! Thank you sir. That was the problem. I had not touched the paper input assembly. So obviously, a user did this. Thanks again!"

  • 1 Answer

SOURCE: HP Laserjet 4345mfp after memory

I recently worked on an HP LJ M4345MFP with the following problems: the display was functional, but had no backlight - the blooming logo continued to animate and lights continued to cycle, but the start-up process would not move past 6/5 "E" - and the machine would not perform a printer engine test. Tried replacing the formatter, the DC controller, and the SMPS to no avail. The resolution ended up being the engine power supply (which, unfortunately is a very involved disassembly/reassembly).

Posted on Jul 29, 2013

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55.00.00 error message display on the control panel

Error 55 is a major Engine or DC controller issue.
HP LaserJet Enterprise Printers 55 00 0x and 55 0x 06 Errors

Try spares from salvaged printers. Look for "working pull from damaged unit". Of course reconfirm model and spare compatibility.

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My printer displays a 51.23 error, what to do? hp laserjet pro cm1415fn color mfp

These errors appear to be a laser failure error. There are a few suggestions out there for you to try on your own like the one on this page from sharuel that worked for him.
It is unlikely you can resolve this yourself, but to unplug the printer for 15 minutes, and then plug it back and see if the error cleared. This can sometimes be caused by power fluctuation, so if the printer is connected to a UPS or powersurge protector, try to connect it directly to the wall.
Also here is a link to a page showing what the error message means and suggestions on what to do which are basic steps related to the error message.
If all this fails, there is no other option but getting HP or a technician to service the printer.
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Oct 09, 2013 | HP Color LaserJet Pro CM1415fn MFP...

1 Answer

USBPRINT\HEWLETT-PACKARDHP_LASERJET_CM1415FN\8&A98C29E&0&USB001 i have hp laser jet pro cm1415fn color mfp printer i need driver pls

Unplug the USB cable

Load the CD or download the full-solutions from HP.

Only plug in the USB cable when told

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Error 51.23 hp laserjet pro cm1415fn color mfp

make sure hvt flat cable connected properly (dc board to hvt)

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I need help,my printer are hp lj 3035,the error is 55.04.92-DC CONTROLLER ERROR,how to fix this erroer?

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you can only print from an ipad using the airprint app if you have one of these printers read more about it here

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    Remove the left cover.
    2 Disconnect all cable connections (19 connectors for the HP Color LaserJet 3500 series printer and 20 connectors for the HP Color LaserJet 3700 series printer).
    3 Remove four screws (1) and remove the PCB (2).

    Dec 12, 2008 | HP LaserJet 3700n Printer

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    HP Laser Jet 4L fuses

    The fuses are located on the DC Controller (main bottom board). Getting to the DC Controller Board on a 4L printer is a very significant disassembly. Best left for a pro but if you really want to do it, I have attached below a link to a scanned copy of the service manual. Please keep in mind that the scanned copy is not a nice fresh PDF as most manuals as the 4L was made in 1994 and HP has physically scanned the printed manual for distribution. Just look up the removal and replacement of the DC Controller Board. Once removed, the fuses are glass buss style, readily available at any Radio Shack.

    Gotta love that old technology.

    Hope this helps you. :),%204ML,%204P,%204MP%20Service%20Manual.pdf

    Aug 27, 2008 | HP LaserJet 4L Printer

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