Check your network connection. I got that message on my 2055dn. The problem turned out to be a defective ethernet switch where the printer cable hooked up to the network. A new switch fixed everything.
Check your network connection. I traced my "I/O card not ready" to a dead Ethernet switch where the printer hooked into the network. A new switch fixed everything.
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SOURCE: hp laserjet p2055dn Replace fuser unit
That is a job by it self. If you don't want to damage your printer, I'd suggest you take it to an HP dealer pay some money and get it first checked and if so be the case that it has to change, let them change it.
SOURCE: Model - HP Laserjet P2055dn. Issue - 49 Err
I had the same problem. The source of this problem, the USB printer port is broken, then I use network configuretion. The poblem is solve.
SOURCE: I have HP Laserjet P2055dn
This is a problem with the RAM module you will need to replace it.
SOURCE: Model - HP Laserjet P2055dn.
If your printer is getting a 49.xxxxx error after powering on, it has major problems, and a repair shop visit is in order.
The error in itself is a "critical firmware error"
SOURCE: I need to swap out the network card in an HP
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.
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