Question about Visioneer OneTouch 8650 Flatbed Scanner

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Power won't turn on at all.

I flip on and off the switch and nothing happens with the scanner.

I replug in the power cord and nothing happens.

Scanner has been owned 6 years.

Can it be fixed or should I ditch it.

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I got a new scanner visioneer on touch 8650 and I am unable to install it on my computer. please some one help

Posted on Jan 13, 2013

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Would suggest to start testing at the power adapter if the power adapter is not working properly you will need to replace it with a matching power output adapter or exact same model if you can find.


if the power adapter is not the problem, its probably not worth the repair, up to you, I haven't looked into your scanner to see if its valuable or not.

Well a new scanner / all in one printer with a scanner goes around 50usd.

Posted on Jan 07, 2009

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1 Answer

It will not turn on. What do I have to do? I bought this some time ago but it has never been used.


I presume this is a scanner that uses a USB connection to your computer. You will find that it does just about nothing until you have it connected both to power and to a computer's USB port. You must also install the appropriate drivers and software. Only then will your computer activate the scanner when you actually try to scan something. The only thing that will activate with only the power cord connected is the scanning lamp inside it so lift the lid and connect the power cord. If the lamp comes on but nothing else, it's just doing what it's supposed to do.

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My hp scanjet 7800 does not turn on, the adapter has the green led light showing that it is getting power


First get a multimeter and check if the power is going through the adapter to the end of the cord. The AC/DC transformer should output 32V DC at the end going into the scanner. If it has power, then the scanner power switch or the unit itself has failed. If there is no power passing through the cord, then try a new adapter. (You can find some by Googling - I saw some from various vendors.) If it is the scanner itself that has failed, check if it is under warranty.

If it is under warranty, contact HP for service. They may have the power cords as well but I didn't check that far. Otherwise decide if it is worth the service charges.

I hope this helps.

Cindy Wells
(at least I do not think this scanner has a hard power switch on the side of the unit.)

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I have 2 Epson V500 Scanners, 1 of them I just have on standby. The one I use daily does not turn on. I tried using the cables of the standby unit already. I checked the fuses on the plugs of both...


  1. Check that the power socket switch is on Make sure your scanner's power cord is securely connected to the scanner and a working electrical outlet.
  2. If your scanner is supplied with a power adapter, make sure your scanner's AC adapter is securely connected to the scanner and a working electrical outlet.
  3. Make sure that the power outlet works. (If necessary, test it by plugging in another electrical device and turning it on.)
  4. Check that the power switch is on at the mains socket. If this is on, carefully check the power cable to ensure it is not damaged and remove then reseat it before attempting to turn the scanner on again. If your scanner has a power button, make sure that the button is depressed so it is turned on. Also, make sure that your outlet works and is not controlled by a wall switch or timer.
  5. Power off the scanner at the mains socket. Unplug the power cable from the socket, then remove and reseat the power cable from the scanner's power cable port. Plug the scanner back in at the mains and ensure the socket is switched on.
  6. If your scanner has a power button, does the power button depress when pressed? Press down firmly on the power button, if it is stiff and does not depress then there may be a problem with the button.

  7. Connect the scanner directly to the mains - not via a surge protector or extension lead. If your unit is connected via a surge protector or a power strip/extension lead, connect the unit directly to the mains socket.
  8. Try another suitable power cable. Check that other electronic devices connected to same power socket have power and try another mains socket and another power cable if necessary. Failing this try another suitable and known-working power cable. Depending on your scanner, a standard "kettle lead" or "figure of eight" power cable is used. If there is power to the scanner (indicated by an illuminated Start light), when a different power cable is used, then the fault is with the original power cable.


If the unit does not power on after following the checks above, contact Epson for support. If your scanner uses an AC adapter, then this may need to be replaced. If your scanner is over 12 months old, you can purchase a replacement AC adapter directly from Epson.

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Scanner 2 error won't allow machine to operate even after turning on/ off numerous times


turned off machine. Unplugged computer connection,disconnected power cord from source. replugged computer line, installed power cord, turned machine back on. worked..... turning on/off at switch did not work.

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1 Answer

Scanner won't turn on


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.

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3 lights were flashing, now no lights flashing & not on


it is always handy to state the brand and the type of connection when referring a fault.
if its USB the check in ctrl panel DEVICE MANAGER if there is a yellow exclamation mark.
same for serial ...against the scanner

if this exclamation is there it means that it does not recognise the scanner and will need to be reinstalled.
check that the serial plug is on firmly, both at scanner and computer, dont just look... undo and reseat on both. Ensure the POWER plug is connected firmly and that it IS switched on.. try something else in that plug and see if it works.

simple things are often overlooked and users thinking technicians are just stupid to ask these questions, but 9/10 it is the simple thing that causes the problem.

Jun 22, 2009 | Umax Mirage II Flatbed Scanner

1 Answer

Duoscan T 1200 wonẗ switch power on/off


The fuse for Duoscan T1200 is "T2A 250V" a 2 Ampere 250 Volts. The letter "T" means the fuse is "Slow Action". European size ? 5 mm. x 20 mm. length. The cilinder is "Ceramic" in white color, not in transparent glass like comun ones.

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1 Answer

Scanner won't turn on


Hi,
Try to test the power cord of the scanner (cable from scanner to outlet) using multitester if there is an electricity or if you have extra power cord test it. Maybe that's the defect. If that's not the problem it is now the scanner itself, have it for the repair man or technician.
Thanks

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1 Answer

Canon 8400f will not power up


I know this sounds stupid, but did you make sure to switch the power switch to the ON position? When the power is connected, and then you flip the power switch on, the light inside the scanner will illuminate, possibly briefly but noticeable. If that doesn't happen, then you're not getting power. Try different outlets. Re-secure power cord connection. If still no power, then I suggest to contact Canon (techsupport) for another power cable.

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First of all, use a lamp, fan or something to check your electrical outlets. Make sure they are not on a switched circuit, or a power strip that may be turned off. Try unplugging the cord from the scanner and re-inserting it. I don't know if there is a fuse inside the 5470, but I would bet on it. If all else fails and you feel competent to try it, see if you can disassemble the bottom and look for the fuse. Usually sudden problems like this are really something simple (or catastrophic!! :-) Good luck, John

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