usb printers not working

Hello, printers hooked up via usb just stopped working.  Upgraded firmware on pc and one printer worked for a moment and then when i switched printer usb cords everything stopped working again.

I ran diagnostics for the pc and usb ports checked out good.

Any thoughts on how to repair?
tucktechAsked:
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JohnBusiness Consultant (Owner)Commented:
One computer with several USB connected printers?  

Several computers, each with its own USB printer?  <--- Does not seem likely unless you had a virus outbreak.
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tucktechAuthor Commented:
Hello John, it is one printer with several USB printers.  I will run a virus scan just to check, won't hurt.
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nobusCommented:
checxk for errors in device manager - and in event viewer
try restarting the print spooler also
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10023Web site maintenance and designCommented:
I have to ask:
Have you tried the printer troubleshooter on the printer that does not work..when hooked up...
Go to printers in control panel and right click on printer...choose [troubleshooter] assuming at least windows 7
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tucktechAuthor Commented:
I have restarted print spooler. Checked decice manager. Run many virus scans because there were a lot of PUPs.  Uninstalled duplicate antiviruses.

My next steps are to review eventmgr and troubleshooter.   I will report back.

I was going to restore from a restore point but it is turned off and wont allow me to enable.
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JohnBusiness Consultant (Owner)Commented:
For one printer:  Remove the printer from Devices and Printers. Go to Printer Server Manager and delete the printer driver. Now restart the computer. Install this same printer fresh according to the install instructions (they vary by model). Now test. Does this printer print?
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nobusCommented:
since you system was infected - it can be you need to run sfc, a repair install, or even a freh install in the end:

http://www.sevenforums.com/tutorials/3413-repair-install.html            REPAIR
http://www.sevenforums.com/tutorials/1538-sfc-scannow-command-system-file-checker.html         SFC
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AaronSystems Administrator & DSTCommented:
I would uninstall all the printers, go get the updated drivers from their respected websites and reinstall all of the printers. If they are all plug and play they may install the drivers themselves when you put them in a new USB port. Make sure to get all the windows updates before you reinstall all of the printers that way if it trys to pull the driver automatically it gets the newest one.
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nobusCommented:
>>  and then when i switched printer usb cords everything stopped working again  <<  best test the usb cables with another device; and on another PC - to be sure they're ok
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tucktechAuthor Commented:
From remote -
have run sfc /scannow - all checked ok
removed ALL drivers and printers through printui and rebooted
started in safe mode and usb was still not recognizing printers
reloaded firmware for USB / Chipset

Will go on-site today... any other suggestions?

plan to check cables, with hooking up to my laptop
after than may restore/repair windows 7

If that does not work I am going to backup and restage system.  If that does not work it must be hardware.
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tucktechAuthor Commented:
Ok, so I was trying to resolve this remotely.  When I got on site I review the cabling and found that the USB port at the printer side was plugged into the network port.   I did not realize the firewire connector would fit into the ethernet port, I have never tried.

The bright side is that I did find viruses, cleaned them and was able to get the system / printers up in running in short order.

Thank you for your help.
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JohnBusiness Consultant (Owner)Commented:
So it was a virus issue as noted above.
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nobusCommented:
maybe you can put the firewire cnnector in the ethernet one - but it won't fit
so it was a cabling problem
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nobusCommented:
it looks like John and me were both right
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10023Web site maintenance and designCommented:
just curious, how would the troubleshooter see the printer...he said he was going to run troubleshooter...
As I understand it the printer cable was connected to the client and then the other end(printer end) was hook up to a network port...
Wouldn't the system task printer dialog box tell the story...where would the spooler send the job?
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nobusCommented:
>>  When I got on site I review the cabling and found that the USB port at the printer side was plugged into the network port    <<   and   ID: 40462604 : " best test the usb cables with another device; and on another PC - to be sure they're ok "
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10023Web site maintenance and designCommented:
Hello, printers hooked up via usb just stopped working.
"Have you tried the printer troubleshooter on the printer that does not work..when hooked up...".....id: 40460039
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tucktechAuthor Commented:
Yes, that is correct.  There were viruses and the cables were not connected correctly.

Thanks guys
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nobusCommented:
tx for the confirmation tucktech - always good for future readers
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