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P2055dn reset serial number

Replaced formmatter and now need to put the serial number on new formatter. How can I do this?

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My HP LaserJet P2055dn just writes initializing and doesn't print. If i restart it just makes some boot up noice and then writes initializing on the LCD


Appears a serious error in the formatter and/or engine board.
it may not be field serviceable and would require an expert to examine with more specialized instruments and spares.

Nov 03, 2016 | HP Office Equipment & Supplies

1 Answer

How can I reset my p2055dn printer


What are you trying to reset? A maint code? System error? Need more info to help properly

Dec 22, 2014 | HP P2055DN LaserJet Monochrome Printer

1 Answer

Hp p3005x - how to replace formatter board


This is a known issue that cannot be addressed through menus. What you need is a PJL (print job language) file that programs the formatter activate the duplex function. Does your configuration page show the correct serial number and page counts? If not then likely the formatter you purchased was used. If you provide serial number, page count I can provide you with the correct PJL file that will restore your duplex function.

Sep 16, 2014 | HP LaserJet P3005x Printer

1 Answer

49 err 6400444 turn off then on


I think you have to change formatter board . cod. CC528-69002

Jul 15, 2014 | HP P2055DN LaserJet Monochrome Printer

1 Answer

HP LaserJet P2055dn just writes initializing and doesn't go to ready state.and both leads are blink. so what can i do?


Sounds like it either needs the firmware reflashing via hp website, or the formatter PCB is bad, try to download the firmware from HP website 1st, if that doesnt work it will need a new pcb.

Jan 11, 2014 | Office Equipment & Supplies

1 Answer

49ERR 3D910C9 TURN OFF THEN ON


Could be job that was sent. If happens on powerup with no jobs pending formatter

Nov 06, 2013 | HP P2055DN LaserJet Monochrome Printer

1 Answer

I need to swap out the network card in an HP Laserjet P2055dn, and I can't figure out how to remove the side panel.


I believe that the P2055 has an imbedded jetdirect.
You would have to change the formatter.
That could run into some money.
Is it still under warranty? Let HP do it.

Oct 24, 2011 | HP P2055DN LaserJet Monochrome Printer

1 Answer

Need to reset the page count after changing out the formatter board.


The page counts and serial number on these units cannot be adjusted or overwritten. You are stuck with the zero count if you installed a new formatter, or the page count on the formatter if you installed a used one. Just put a label on the back that says, formatter changed at XXXXX pages.

May 31, 2011 | HP Laserjet M2727nf Multifunction Printer

1 Answer

Ready, data, attention all on, screen lit but no data


The P3005 is known to have problems with a chip on the formatter, gives various errors to include the 49.2d9d, blank display and others. HP has not issued a recall or service advisory but is fully aware of failure of the chip on the formatter. Repair for this is to print a configuration page, replace the formatter board, bring the machine back up in service mode and put in the correct serial, service code and page counts into the new formatter's nvram memory.

Liberty Parts Team at lbrty.com has refurbished formatters at reasonable pricing with no return core to worry about. The PIN needed to access the service mode is 10300506.

Other problems with the P3005 are grinding in the fuser area, correctable by removal of the fuser, replacement of the 4 accessable gears in the side (left as you look into the back) and the main gear on the fuser then put the fuser back in and should be good.

Service manual available for free at feedroller.com - down the left navigation bar near the bottom is an icon and link to service manuals in PDF. No need to make someone on ebay rich selling copyrighted pdfs.

Jun 07, 2010 | HP LaserJet P3005n Printer

1 Answer

I'm wondering where the serial numbers for an HP 4350 are located


Source: => http://crackmonkey.org/pipermail/printers/2005-October/000026.html

Hewlett Packard printers can have their serial numbers reprogrammed in the field, from the front panel of the printer, with very little special knowledge and no special tools. Any electronic page showing its serial number afterward would be divergent from the actual serial number for the machine. It can be changed back again, too - an unlimited number of times.

Yeah, I know - you'll never trust the page count on a used printer again, but there you have it.

This is only true on some of the newer models, and on the larger ones - not the smaller machines like the 1200, but the larger ones like the 5Si, the 4500, etc.

Canon builds the print engines (basic mechanical arrangements of components) for Hewlett Packard, which only really engineers the firmware - which could be used to implement the hidden codes you're investigating. But I would not be surprised if Canon and HP codes look the same and are implemented at a level common to both brands of machine. It is odd to me that you did not publish any pictures of the test prints from the manufacturer which dominates the industry, though...

Since you can alter the serial number (at will) on an HP machine, that could make your decoding task that much easier, if you have access to one. Set to all 1's, all 2's, etc. and compare test prints.

On the other hand, it also makes the entire schema a joke, since I could program my printer to say it is your printer (copy your serial number), print up some phoneybux, and then set it back to innocent_serial and whistle while I watch your office get raided.

The serial number information is soft-coded to allow the formatter board to be replaced if it fails, while still supporting the configuration page's reportage of that printer's vital stats. You can even load the new formatter with the page count from the old formatter, so that the mechanical parts can be maintained on schedule as they wear out.

Now, this is not true of the Formatter Number, which is the serial number of the formatter card itself. If that is the basis of HP's system of Identity, then the workaround would involve a physical removal of the formatter and its (temporary) replacement with another formatter. For someone engaged in producing phoneybux, this is not an economic hardship.

Dec 13, 2008 | HP LaserJet 4350 Printer

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