Our Phaser 8400 has always had a problem with freezing up and frequently restarting and cycling through cleaning and warm up modes. I have checked the power supply and it is plugged directly into the wall. Is there anything we can do?
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Re: The Phaser just keeps shutting down...
That really sounds like corrupted software.There are some procedures you can try, but they will require setting up the network on the printer , so print a configuration page before you do this.
First though. shut the printer down, on the back of the machine is 2 D shaped knobs. Line them up to the edge of the printer then remove the main board. Reseat your memory cards and reseat that main board assebembly. Be sure everything is seated.
Then do memory resets
PS NVRAM AND JUST A NVRAM reset.
Enter service diagnostics then l and reset PS NVRAM as follows:
1. From the diagnostics Main Menu use the UP and Down arrow keys to highlight Print Engine Menu and press OK.
2. In the Print Engine Menu, use the UP and Down arrow keys to highlight Function Menu and press OK.
3. In the Function Menu, use the UP and Down arrow keys to highlight Clear PS NVRAM and press OK This will set the values in PS NVRAM back to factory defaults.
4. Power the machine off for 30 seconds then power on.
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I would reload the driver, or switch drivers. Best on an 8400 to be using the most current PS driver. You can find it on the Xerox.com site.
Just click Drivers and downloads, then in the search box type in 8400.
Then click drivers and downloads once again and download the newest driver.
I hate to ask you to do this, but that also sounds like machine software ( firmware) corruption and shutting it off and on could cure your problem also, But yes I know, that wastes ink.
The preheat entry assembly has paper detectio arms/sensors that will get brittle and break off, leading the machine to think there is a paper jam. This problem usually will require a trained technician to diagnose & repair.
Sadly that is not good.That normally is one of the heaters in the print head has failed not warming up enough to allow the ink to remain liquid. It frequently is the result of a failure of the electronics module, none of the most likely problems is a cheap fix. I will give you the list of most probable causes.
Wish I had a more hopeful answer.
PARTS:Parts are listed in the order of highest probability for repair. NUMBER QTY DESCRIPTION 119649580 1 *ELECTRONICS MODULE (STRIPPED)
671529180 1 I/O BOARD
650430300 1 *PRINTHEAD ASSEMBLY The electronics module. Listed as stripped, means it comes without the ram and nvm boards. When that fails it is a portion of that module that supplies the heater voltage. I think its a 50 volt source off hand.
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?