Question about Office Equipment & Supplies
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Posted on Jan 02, 2017
Well we can check and see if the printer is able to run an engine test. This is how you can run this test;
The Firmware might be outdated and causing this problem. Worst case scenario the board might be faulty, in that case your better off buying a new machine, since the cost to replace the board will be higher than that to replace this machine.
Posted on Nov 19, 2008
If you are using a jetdirect network card it could be the cause of your problem. Pull the network card and restart the machine. Seen it a couple of times
Posted on Jul 28, 2009
SOURCE: no display in control panel
Had this problem after a power hiccup. The firmware on my HP 5550 / 5550n has been a problem in the past, needing updating or currupting, but this time I was getting the power on, a backllit control panel but no menus or text, and steady on READY, DATA and ATTENTION lights. At any rate I saw a solution on the Internet and owe that poster a beer if I can ever find him.
All things led to a corrupt Firmware. Problem and most beleieve you have to send for a new Firmware FlashCard and that takes time and big $$$. I found that if you can find another working 5550 / 5550n you can pop it's firmware FlashCard, make an image of it, and restore your own firmware to a working state.
The 5550 /5550n printers firmware resides on a 32MB Compact FlashCard on the printers Formatter Board. (The formatter board is held into the printer by 8 screws, and also has the JetDirect card on it.). This Firmware FlashCard when removed, will fit in a standard Compact FlashCard reader, and can then be attached to any Windows Machine for manipulation.
NOTE that this Compact FlashCard containing the printers firmware involves a proprietary HP created partition that a Windows PC cannot even read. Thus when connected to a Windows PC you'll see nothing, and may well be challenged to format the card!!! --- Obviously... DON'T DO IT !!
There is a FREE program called SelfImage available. Just Google: download SelfImage. The pesent version of SelfImage as of this writing is v1.2.1. It can and will see the contents of the FlashCard, and thus can make an image file of the FlashCard for use down the road. Should the firmware on the CompactFlash Card ever get corrupted, you can restore it from any image file by simply using the SelfImage program in reverse.
I made two image files of a good firmware flashcard from a working 5550 / 5550n because when you choose to make the backup image in this SelfImage program, you can do either the entire physical drive, or just a selected partition of a physical drive. In the case of this printer's firmware FlashCard, the drive and partition appear to be one in the same, as will be evidenced by the exact same file size of the resulting images. I made copies both ways (drive and partition) just be sure all possibilities were covered.
I now make copies of that Firmware everytime it's upgraded.
Posted on Jul 03, 2012
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