Laser Jet 4100. won't come on

I previously had a 49 4C02 error (which I've yet to figure out what it means due to no description).

I took the memory out and reseated it.
Since then, when I turn it on, the LED doesn't display anything and none of the working lights come on.

I have no idea what's wrong.

any ideas?
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phileocaAsked:
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hladamjrConnect With a Mentor Commented:
Yes thats fine. This error is usually caused by a bad formatter board however it "can" be a few other things

Some things to try:
 Remove all memory DIMMs or third-party DIMMs from the printer. (Do not remove the firmware DIMM in the lowest DIMM slot.)

 Remove all EIO devices from the printer.

Turn the printer on.

If the error no longer exists, install each DIMM and EIO device one at a time, making sure to turn the printer off and back on as you install each device.

Replace a DIMM or EIO device if you determine that it causes the error.

 Remember to reconnect all cables that connect the printer to the network or computer.

 If the error persists, replace the firmware DIMM.

Still not working ?

 Replace the formatter.
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joedConnect With a Mentor Commented:
49 error is bad data received. Printer received a command it didn't undstand. Just power off on to reset.

I would check the memory again and try the printer without it to see if it powers up.
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phileocaAuthor Commented:
If i take the memory chip out, then the printer will have 0 memory.  you want me to test it without any memory?  okay. :-/
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phileocaAuthor Commented:
thanks.  I'll give all of that a go tomorrow and see.
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phileocaAuthor Commented:
alright. thanks for that help.

here's what happened.

Unplugged the EIO Nic and the DIMM.  LED screen changed.  gave me a new error. i forget what it is now but i googled it and all signs pinted to the formatter.
so, I....
Plugged in the DIMM, it counted the Memory.  seemed fine.
Plugged in the NIC, seemed fine.
changed the NIC IP address (since DHCP had given it a new address i just made it static (as it should be).

here's the interesting part.  when it boots up. I have to press the cancel Job button 5 times fast to get it finish booting up.  and it works fine.
so I'm pretty sure I need to replace the formatter.

but thanks for your help, i'll close this question out friday in case you want to comment.  :-)
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hladamjrConnect With a Mentor Commented:
Yes that indicates the formatter as long as your sure there are no jobs in the queue ( which I doubt )

Any more questions post here, out in the field today so it will be Friday before I can respond.

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