Question about Epson Perfection 4990 Flatbed Scanner

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Scanner won't turn on

Today my scanner will not turn on. I checked the power cords -- all in order. Can these just "die"?

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  • 35 Answers

Yea scanners can die. i would test the power supply to see if the cord got fried. usually they have a big box somewhere through the cord and it helps from an on coming power surge to fry the machine.

Posted on Sep 29, 2009

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Posted on Jan 02, 2017

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Pro 2021 police scanner won,t turn on worked fine just stoped


bad power conection or voltage regulator gone bad. their is a llarge resistor near power cord check them

Dec 19, 2014 | Radio Communications

1 Answer

Printer will not scan


he HP All-in-One product displays one of the following error messages on the control panel when scanning or copying:
  • Scanner failure, power off and on
  • Scanner System Failure
  • Scanner failed, cannot make copies or fax
  • Scanner failure. Unable to scan, copy, or send a fax
  • Scanner failure, cycle power
Additionally, the scanner bulb might not turn on during scanning.ry the following solutions in the order presented to resolve the issue. When one of the solutions resolves the issue, there is no need to continue troubleshooting.Solution one: Check the scanner lightFollow these steps to check the scanner light by making a color copy of any document.
  1. Load plain white, unused, letter size paper in the paper tray.
  2. Lift the scanner lid, place the original face down on the scanner glass, and then lower the scanner lid.
  3. Make a color copy.
  4. When the product starts to scan the document to copy, slightly lift the scanner lid to see if the scanner light turns on. It is not necessary to lift the lid completely CAUTION:Do not look directly at the scanner light.The scanner light should be visible under the scanner glass to the right or left.Figure 1: Scanner light visible underneath the glass
    1 - Area where scanner light is visible2 - Scanner glass
    • If the scanner light does not turn on when the scanner mechanism moves across the scanner bed, continue to the solution to reset the product.
    • If the scanner light turns on , continue with the next solution.
    Solution two: Check the power connectionFollow these steps to troubleshoot the power connection.
    1. Press the Power button (c01602202.gif ) to turn off the product.
    2. Unplug the product power cord from any surge protector, extension cord, or power strip, and then connect the power cord directly to a wall outlet.
    3. Press the Power button (c01602202.gif ) to turn on the product.
    4. Load plain white, unused, letter size paper in the paper tray.
    5. Lift the scanner lid, place the original face down on the scanner glass, and then lower the scanner lid.
    6. Try again to make a color copy.
      • If these steps resolved the issue , you do not need to continue troubleshooting.note.pngNOTE:If the product works properly when plugged directly into a wall outlet rather than a power strip or surge suppressor, the power strip or surge suppressor might not allow enough voltage for the product to work properly.
      • If the issue persists , continue with these steps.
    7. Press the Power button (c01602202.gif ) to turn off the product, disconnect the power cord from the wall outlet, and then reconnect the power cord to a different wall outlet.
    8. Press the Power button (c01602202.gif ) to turn on the product.
    9. Try again to make a color copy.
    • If these steps resolved the issue , you do not need to continue troubleshooting.
    • If the issue persists , continue to the next solution.
    Solution three: Reset the productFollow these steps to reset the product.
    1. Press the Power button (c01602202.gif ) to turn off the product.note.pngNOTE:The product might not turn off after pressing the Power button. Continue to the next step regardless.
    2. Disconnect the power cord from the rear of the product.
    3. Unplug the power cord from the electrical outlet.
    4. Wait 30 seconds.
    5. Replug the power cord into the electrical outlet.
    6. Reconnect the power cord to the rear of the product.
    7. Press the Power button (c01602202.gif ) to turn on the product.
    8. Load plain white, unused, letter size paper in the paper tray.
    9. Lift the scanner lid, place the original face down on the scanner glass, and then lower the scanner lid.
    10. Try again to make a color copy.

Dec 11, 2011 | HEWLETT-PACKARD Officejet 4500 All-in-One...

2 Answers

I cannot turn it on...when I use the same cord on other printer/scanner, the cord is still okay..so this means that the problem is on the printer/scanner....kindly advise what to do....


Since the power cord works on a different scanner, this means the power supply unit inside the printer has failed. In most cases, this costs more to fix/repair than a new printer.

Feb 28, 2011 | Office Equipment & Supplies

1 Answer

After printer is on for a few minutes, getting error message-scanner failure turn printer off then on again. I am able to print before the error message appears, however, unable to copy or fax. Thank...


Hi,

Solution one: Check the scanner light
  1. Follow these steps to check the scanner light by making a color copy of any document.
  2. Load plain white, unused, letter size paper in the paper tray.
  3. Lift the scanner lid, place the original face down on the scanner glass, and then lower the scanner lid.
  4. Make a color copy.
  5. When the product starts to scan the document to copy, slightly lift the scanner lid to see if the scanner light turns on. It is not necessary to lift the lid completely.
The scanner light should be visible under the scanner glass to the right or left.

Solution two: Check the power connection
Follow these steps to troubleshoot the power connection.

  1. Press the Power button to turn off the product.
  2. Unplug the product power cord from any surge protector, extension cord, or power strip, and then connect the power cord directly to a wall outlet.
  3. Press the Power button to turn on the product.
  4. Load plain white, unused, letter size paper in the paper tray.
  5. Lift the scanner lid, place the original face down on the scanner glass, and then lower the scanner lid.
  6. Try again to make a color copy.
  7. Press the Power button to turn off the product, disconnect the power cord from the wall outlet, and then reconnect the power cord to a different wall outlet.
  8. Press the Power button to turn on the product.
Try again to make a color copy.If these steps resolved the issue , you do not need to continue troubleshooting.If the issue persists we have to reset the printer. Doing reset in the beginning stage is not recommended. Reply me back and i will provide the reset step instruction.

Regards
Riztech

Nov 26, 2010 | HP OfficeJet D135 All-In-One InkJet...

1 Answer

My HP 3970 scanner has been working for years. No


Sounds simple enough. You will have to do a couple of things in order here. Unplug the cable from the back of the computer, and the scanner itself. Then unplug the power cord from the wall for the scanner. Wait about 20-30 seconds, then plug the scanner back into the wall. Now plug the cable in to the scanner, then the computer. Turn on the scanner and it should work. If by chance this does not work, then you may have to reinstall the drivers. If you don't have the disc, check out the manufacturer websight support section. Good luck

Feb 04, 2010 | HP scanjet 3970 digital flatbed scanner

1 Answer

Hp 3970 scanner doesn't turn on.


hello
my scanner should not correct working imagewith full area yellow color
??????

Feb 28, 2009 | HP scanjet 3970 digital flatbed scanner

2 Answers

Xerox Documate 152


Hmm, well no, just the basics of checking all the wiring. Hope it was within warranty.

Aug 05, 2008 | Xerox DocuMate 152 Pass-Through Scanner

1 Answer

Scanner failure message.


Scanner Failure, Power Off and On' Message Displays on the Control Panel when Copying or Scanning


Issue
The message 'Scanner failure, Power off and on' displays on the control panel of the product.
This error usually occurs when trying to scan, to make copies, or during the product start up.
Try the solutions in this document until the issue is resolved. It is not necessary to continue to the next solution if one solution resolves the issue.
Solution one: Check the scanner light
Make a color copy of any document by pressing the Start Copy Color button on the control panel. While the product is making the copy, slightly lift the scanner lid to see if the scanner light is visible.
CAUTION: Do not look directly at the light. It is not necessary to completely open the lid to see the light.
If the scanner mechanism moves across the scan bed, but the light is not lit, click here to service the product .
Solution two: Check operating conditions
Extreme temperatures can affect the operation of the product. Make sure the operating conditions match those recommended in the User Guide provided with the product.
Solution three: Check the power connections

1.
Make sure that the product is connected directly to a grounded wall outlet and not plugged into a power strip.
2.
Make a color copy by pressing the Start Copy Color button on the control panel.
3.
If the error message persists, temporarily move the product to a different room or outlet, and then make a color copy by pressing the Start Copy Color button on the control panel.
4.
Check the part number on the power supply to make sure that it matches the part number listed in the User Guide.

Solution four: Perform a power cycle

1.
Turn the product off.
2.
Unplug the power cord from the product.
3.
Wait 30 seconds, and then reconnect the power cord to the product.
4.
Turn the product on.
5.
Make a color copy by pressing the Start Copy Color button on the control panel.

Solution five: Reset the product
Follow these steps to reset the product.
Step one: Perform a partial reset

1.
Unplug the power cord from the product.
2.
Press and hold # and 3 while plugging in the power cord.
3. Make a color copy of any document by pressing the Start Copy Color button on the control panel.
If the partial reset resolves the issue, do not continue to the semi-full reset.

Step two: Perform a semi-full reset
CAUTION: Performing a semi-full reset deletes any phone numbers that are saved on the product.

1.
Unplug the power cord from the product.
2.
Press and hold # and 6 while plugging in the power cord.
3. Make a color copy of any document by pressing the Start Copy Color button on the control panel.

Solution six: Service the product
If you have completed all the steps listed above and are still experiencing a problem, service the product.

Mar 05, 2008 | HP OfficeJet d145 InkJet Printer

1 Answer

Power cord


Count the number of pins and look for a replacment at www.ebay.com. search for either "scanner cable" or "serial cable" depending on your needs.

Oct 23, 2007 | AcerScan 320U Flatbed Scanner

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