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Re: Xerox Phaser 8400 gets no power
I have been hesitating on answering this because people hang me out to dry on phaser printers when I give them good info. But here goes.
What you can try is go to the back of the machine, whre eh on off switch is located. there are 2 larger thumb screws you twist to align with the back frame. That holds the main board in place, Losten them, remove the main board, reseat the RAM memory into its slots, re insert the main board and try turning it on. If that doesn't work the most likely problem, ( 90 % likely) is the electronics module. And I am sure you did not pay as much for the machine as an electronics module would cost, Generally they are over $1000. Best price.
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I've seen this issue on some of my other Xerox machines (not the 8400 specifically). 9 times out of 10 the solution is to update both the printer driver to the newest version, as well as updating Adobe Reader to the newest version.
You can see it in either the display or on the startup or configuration pages.
It must have a "D" in the name for you to be able to do automatic duplexing. i.e. 8400DN or 8400DX . Then you can scroll to printer setup and select defaults, and then turn on the duplex, or double sided printing.
If yours does not have a "D" i.e. 8400, 8400N then you would need a new sim card to enable the duplex option.
About a 95 percent chance that you have a bad print head.You can try cleaningn cycles and also jet substuitution but your problem is blocked jets.
You could have a piece of paper between the drum and print head.
When you go into the eliminate light stripes there is also a mode called Jet Substitution. You can sometimes bypass the bad jets.
If that does not work then the print head will most likely need to be replaced.
You can replace the printer for less than the cost of a print head normally..
The first obvious question is, "Does it have blue ink/wax?"
Is it displaying any errors?
Have you tried the Xerox support site? They have a fantastic utility that can connect to your printer and diagnose many problems. Here's the URL for the utility:
They also have a wealth of information in their knowledge base. Here's the URL for the support page for the Phaser 8400:
Did anything happen before the blue quit printing?
Have you tried running a cleaning cycle?