Question about Xerox Phaser 8500/DN Printer

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Xerox 8500 I had posted a questions regarding our Xerox 8500 machine. I have restarted the printer and it sounds like it's going through it's restarting process, but then it just sits there with the red light on. The screen display is also gone and there is no way for us to read an error messages etc. Do you know what could have caused this? The only thing that happened was that the power went out for about a second and then went back on. We are totally puzzled!

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  • Anonymous Dec 04, 2008

    The printer printed one page indefinitely and somebody in my office just unplugged the printer from the power outlet to restart it (bad ideea..).
    The printer has a much dimmer display now and keep printing one page regardles of the number of copies it was required to do.

  • Anonymous Dec 09, 2008

    We are attempting to print front and back for the first time on our Xerox Phaser 8500. We first printed page one then flipped the paper for page two. Printing page two smears or "ghost" the print on page one. Is this printer not set up to print front and back or are we missing a step?

  • Debbie Moore Dec 09, 2008

    We are attempting to print front and back for the first time on our Xerox Ohaser 8500. We first printed page one then flipped the paper for page two. Printing page two smears or "ghost" the print on page one. Is this printer not set up to print front and back or are we missing a step?



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I've seen this with copiers in that a one second power failure and I need to reset it from the diagnostics menu. I have also seen this on printers as well. Here's the instructions for getting to the diags menu
Press and hold the red button (info button) and the “OK” button simultaneously. This should take you into the Service Tools menu.
2) When in the Service Tools menu, scroll down to the “Enter Diagnostics” menu. Select the “OK” button. It will go through some cycling at this time for about 2 minutes. The screen may go blank a few times too.
3) It then asks for a confirmation, select “ok” again. The printer will go through a minute of rebooting. The screen may go blank a few times too. You are waiting for the diagnostic menu with the Test #00 “no test selected”
4) 7) It will ask for a confirmation. Select “OK” to confirm.
8) Then hit the up arrow until you go over test 100 to test 01. “Exit diagnostics.”Select “OK”.
9) It will ask for a confirmation. Select “OK” to confirm.
10) At this time the printer will again reboot for several minutes & then should come up to a ready to print.

Posted on Dec 03, 2008


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Please can I had a video to solve clean density sensor for color laserjet 8500dn. Thanks

Soooooo did you cycle the power and its still there? If so turn the power off unplug and let it sit for a 1/2 hour to an hour and plug back in that will give it a chance to forget about everything and start from scratch. If it continues after that you probably will need to replace that sensor. Really though I was in a rush earlier and didnt get to post but your real problem was with the cartridge Ive done quite a few calls like that and the customers are always like it didnt say toner low. If you get color or black problem and its just one color its 99\% of the time a cartridge issue. Only if all the colors arent working then I would start calling around and asking questions. Are you using refurbs? Ive had alot of problems with those and that machine and strongly recomend not using them your just asking for more service issues and quality problems. by nivek on Jan 27, 2009 at 2:19pm Add comment Please sign in to comment 0 Thanks for the reply. After it slept the night and restarted today, the warning was gone. The cartridge wasn't refurb, and had been in the machine for probably over two years. Well anyway, it's going for now, and a little cleaner too.

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1 Answer

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Hi Ricardo...I have the same printer error message and my xerox cuts off after warming up 20%,,,haven"t figuredut a solution yet...good luck...Jay

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This error tells us that the Media Path Motor 807K16050 is bad.

This is usually caused by bad camshafts 008K02160 & 020K14800, so replace those too.

It is medium difficult and takes about 2-3 hours

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1 Answer

Phaser 8500 on power up it prints a startup and 89 pages of junk


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1 Answer

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1 Answer

Phaser 8500DN

Grrrrrrrrrrrrr. Do you have a maintenance agreement? If you do call them back and tell them to get there asap.
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On the back of the machine open the panel to access the memory, remove the memory and power the machine up with the memory removed. Let it fault out, then replace the memory and start it again. See if that works.
Then remove and reseat the main board by turning the orangish knobs and sliding the board out and back in.
It really sounds like the upload corrupted and Xerox needs to resolve this for you.
They will try and say it's not their fault, but if they directed you to do the upgrade, they are at fault and should fix it for you.
Unless, and I very much doubt the old software is on their site, no you cant go back to the old firmware, you may try reloading it and see if it loads correctly.

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Contact the company that you purchased the maintenance kit from.
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