Question about HP P2055DN LaserJet Monochrome Printer

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I have hp printer laserjet p 2055dn I got this error on printer screen b0605 then I tried the solution from hp website after install the printer cd the printer still requesting to connect USB wire which already connected I followed these steps on two computers which have different Operating systems: windows 7 and XP The possible reasons causing this error (hardware or software) Thank you

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  • is_sqat Mar 24, 2011

    I changed the usb cable but the problem still appearing

    Thanks bill_gates52



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  • 54 Answers

It is posible to have problems with your usb cable. Othert possibilities is that the printer usb port is broken

Posted on Mar 24, 2011

  • is_sqat Mar 24, 2011

    I Changed the USB cable but problem still appearing

    Thanks bill_gates



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Code Error B0605

B0605 message. Follow HP's directions at
and put the printer in BootCode mode then ran the firmware updater.
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The printer's firmware (controlling software) has mulfunctioned.
A common error message on the HP LaserJet P2055dn series is the B0605 Firmware Error. If you are handy with a computer, the first step is to follow HP's trouble-shooting steps and re-flash the firmware in BootCode mode, then reboot the printer. Re-flashing the firmware doesn't always help, but it's a good first step. See HP's trouble-shooting document here: Error
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Check this link:

If this process does NOT fix your B0605 firmware error, you will probably need to replace the formatter assembly, which is the main logic board in the printer.

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Hi Ekera
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Turn off and disconnect the power source from the printer.
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Power on unit and allow the unit to fully power up before printing a test page.
Hope this helps.

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