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Cobra sr 900 scanner

I just found my old scanner do some cleaning in the basement, but I can't find the power cord.(yet). so in the meantime I found another power cord with the same polarity but its 9v, scanner calls for 12v.Programing works, scan works, but I get nothing, not even on the weather channel. would the power cord be the problem?

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Get a 12 volt cord from Radio Shack.

Posted on Jan 29, 2008

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6ya6ya

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Hi there,
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Posted on Jan 02, 2017

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COMPAQ S200 POWER REQUIREMENT


Test for s200 scanner says ud dll not found
When i try to test the s200 compaq scanner on my system (windows vista os ) it gives a msg UD DLL not found.

Nov 19, 2012 | Compaq S200 Color USB Flat Bed Scanner

1 Answer

MY HP 8500A HAS STARTED PRINTING WHOLE PAGE BARCODE LOOKING LINES WHEN I PRINT OR COPY IN BLACK. COLOR LOOKS GREAT. IVE CLEANED THE PRINT HEADS AND ALIGNED THEM. ANY OTHER OPTIONS? THANKS


Solution one: Reset the product If there is static interference, or loose connections with the product, this can result in bands or lines in the copy, fax, or scan output. To resolve this issue, check the product connections and reset the product Press the Power button (c01602202.gif ) to turn on the product.Disconnect the power cord from the rear of the product.Unplug the power cord from the wall outlet.Wait 30 seconds.Plug the power cord back into the wall outlet. Reconnect the power cord to the rear of the product.Press the Power utton (c01602202.gif ) to turn on the product.Try to copy, fax, or scan again.If these steps resolved the issue , you do not need to continue troubleshooting.If the issue persists , continue to the next solution.
Solution two: Clean the scanner glass and scanner lid
If the scanner glass or the white underside of the lid has fingerprints, smudges, lint, dust, or other debris, this can slow performance and affect copy and scan quality. To resolve this issue, clean the product.Before you begin, gather the following materials:Several clean, soft, lint-free cloths

Mild glass cleaner
CAUTION: Use only glass cleaner to clean the scanner glass. Do not use cleaners that contain abrasives, acetone, benzene, or carbon tetrachloride. These substances can damage the product. Avoid isopropyl alcohol (rubbing alcohol) because it can leave streaks on the glass.
  1. Press the Power button (c01602202.gif ) to turn off the product.
  2. Disconnect the power cord from the rear of the product.
  3. Lift the scanner lid. Figure 3: Lift the scanner lid
  4. Spray a clean, soft, lint-free cloth with mild glass cleaner.
    CAUTION: To protect the scanner, do not spray the glass cleaner directly on the glass.
  5. Clean the scanner glass with the lint-free cloth. Figure 4: The scanner glass
  6. Clean the glass strip next to the scanner glass with the lint-free cloth. Figure 5: The glass strip
  7. Dry the scanner glass and the glass strip thoroughly with a clean, dry cloth or chamois to prevent spotting, and then dry the white underside of the scanner lid.
    NOTE: Do not use paper-based wipes or tissues that can leave fiber residue.
  8. Clean the white underside of the scanner lid. Figure 6: The underside of the scanner lid
  9. Close the scanner lid.
  10. Reconnect the power cord to the rear of the product.
  11. If the product does not turn on by itself, press the Power button (c01602202.gif ) to turn it on.
  12. Try to copy, fax, or scan again.
  • If these steps resolved the issue , you do not need to continue troubleshooting.
  • If the issue persists , continue to the next solution.
Solution three: Clean the automatic document feeder (ADF) Use the following steps to clean the automatic document feeder. Step one: Clean the ADF rollers and separator pad
  1. Gather the following materials:
    • A clean, lint-free cloth, or any cloth that will not come apart or leave fibers
    • Distilled, filtered, or bottled water (tap water might damage the product)
  2. Remove any documents from the document feeder tray.
  3. Press the Power button (c01602202.gif ) to turn off the product.
  4. Disconnect the power cord from the rear of the product.
  5. Lift the cover of the ADF until it stops. Figure 7: Lift the ADF cover
  6. Find the pick rollers and separator pad. Figure 8: Locations of the pick rollers and separator padLightly dampen a clean lint-free cloth with distilled or bottled water, and then squeeze any excess liquid from the cloth.
  7. Use the damp cloth to wipe any residue off the separator pad.

Aug 14, 2011 | HP Officejet Pro 8500 Wireless All-In-One...

1 Answer

I have a vertical black line on the right side of my copies


Go to the HP website and read their solution. Here is what I found:
Issue When you copy, fax, or scan an original, the resulting output contains vertical bands, lines, or streaks in one or more colors. When you print the original, the output is normal. Figure 1: Sample output with vertical white or black linesc01892760.gif Figure 2: Sample output with vertical colored bands or linesc01892761.gif Solution one: Reset the All-in-One If there is static interference, or loose connections with the product, this can result in bands or lines in the copy, fax, or scan output. To resolve this issue, check the product connections and reset the product.
  1. Make sure the product is powered on, and then disconnect the power cord from the product.
  2. Disconnect the USB cable from the product, and then disconnect it from the computer.
  3. Reconnect the USB cable to the computer, and then reconnect it securely to the product.
  4. Disconnect the power cord from the wall outlet, and then reconnect it to the wall outlet.
  5. Reconnect the power cord to the product.
  6. Press the Power button (c01892763.gif ) to turn on the product.
  • If these steps resolved the issue , you do not need to continue troubleshooting.
  • If the issue persists , see the next solution.
Solution two: Clean the All-in-One and make a blank copy If the scanner glass or the white underside of the lid has fingerprints, smudges, lint, dust, or other debris, this can slow performance and affect copy and scan quality. To resolve this issue, clean the All-in-One. Before you begin, gather the following materials:
  • Several clean, soft, lint-free cloths
  • Mild glass cleaner
CAUTION: Use only glass cleaner to clean the scanner glass. Do not use cleaners that contain abrasives, acetone, benzene, or carbon tetrachloride. These substances can damage the product. Avoid isopropyl alcohol (rubbing alcohol) because it can leave streaks on the glass. Step one: Clean the scanner glass and lid
  1. Press the Power button (c01892763.gif ) to turn off the product, and disconnect the power cord from the product.
  2. Open the scanner lid. Figure 3: Open the scanner lidc01760887.gif NOTE: Your product might vary in appearance from the one shown in the figure, but the solution is the same.
  3. Spray a clean, soft, lint-free cloth with mild glass cleaner. CAUTION: Do not spray the glass cleaner directly on the glass to avoid damaging the scanner.
  4. Wipe the scanner glass and the white underside of the scanner lid with the dampened cloth. Figure 4: Scanner glassc01891674.gif Figure 5: Scanner lidc01891675.gif
  5. Dry the scanner glass thoroughly with a clean, dry cloth, or chamois to prevent spotting, and then dry the white underside of the scanner lid. NOTE: Do not use paper-based wipes or tissues that can leave fiber residue.
  6. Close the scanner lid.
  7. Reconnect the power cord to the product, and press the Power button (c01892763.gif ) to turn on the product.
Step two: Make a blank copy
  1. Remove any originals from the scanner glass.
  2. Load plain white paper in the input tray.
  3. Press Start Copy Black to make a blank copy.
If the copy is clean, there is no need to continue troubleshooting. If the copy has vertical bands, lines, or streaks, there might be dust inside the product, poor internal connections, or the product might be damaged. See the next solution. Solution three: Service the All-in-One If you have completed all the steps listed above and are still experiencing a problem, service the product. Causes
  • Static interference
  • Loose USB cable or power cord connection
  • Fingerprints, smudges, lint, or dust on the scanner glass
  • Dirt or debris on the scanner lid
  • Scratched or damaged scanner glass
  • Poor internal connections
  • Dirt or debris inside the product
  • Damaged or faulty scanner bulb or parts

Nov 21, 2009 | HP DeskJet F380 All-In-One Printer

1 Answer

Loss of power


check power cord, usb cables, & fuse.

May 30, 2009 | HP Scanjet 5400c Flatbed Scanner

3 Answers

I need umax astra 3400 scanner software


Have found information on umax.com !

Solution is VistaScan X CD only for Windows XP, when you use it withaout Internet-Connection (local)

http://www.umax.com/vistascan-x-cd/

Or: VueScan also for Windows 10

https://www.hamrick.com/de/vuescan/umax-astra-3400-treiber.html

But you've some costs...

Nov 14, 2008 | Umax Astra 3400 Flatbed Scanner

1 Answer

Scanner not found


Bought a new power cord as suggested on some of the links on your site and now it works just fine.

Thanks,
Anita

Oct 01, 2008 | HP Scanjet 4470c Flatbed Scanner

1 Answer

Mustek TwainScan 600 III EP Plus


Drivers are available from the mustek web site in US or Taiwan. See http://www.mustek.com.tw/Download/driv_scanr/english/600iiieplus.html.

You need an AC power adapter if you don't have one. The original was an YHI Power Adapter, model YC-1015-15, Input 100-120V, 60 Hz, 0.4A, Output +15VDC/1A. I know because I'm reading it off of mine (I am the original owner of one, this is about 10 years old). You can find new ones on eBay for $10 plus shipping.

Finally, you need a cable that connects the scanner to the PC using parallel port technology. Both ends are 25 pin Female, and the cable itself is marked as IEEE 1284 compliant. Cable is AWM E101344 Style 20276 30V VW-1 Space Shuttle. Must have 25 pin female connectors, check eBay or http://www.driverforum.com/controller5/10421.html.

Sep 10, 2008 | Mustek TwainScan 600 III EP Plus Flatbed...

1 Answer

New Power Cord Stopped Working


DO NOT use the HP power adapter that is 19V / 3.95A. That is too much power for the Scanjet, which is expecting 12V DC (and a much lower amperage). It's possible that hooking up this power adapter may further damage the electronics inside the scanner. If the second adapter has stopped working then it is possible that the internal circuit board has damage already and another adapter may not work. If you have access to a multimeter / voltmeter you could check for the 12V coming from the adapter. If you're getting the 12V, then the internal circuit board to the Scanjet is probably defective.

Nov 17, 2007 | HP Scanjet 4470c Flatbed Scanner

3 Answers

Doesn't turn on!


I had a "Doh!" moment the day after posting my problem. As I was packing up the scanner to put it in the attic, I suddenly noticed the on/off switch on the side. I'd never noticed it before. Connecting everything and flicking it to ON made the lights come on and my scanner worked perfectly. I'd recommend switching off at the mains after every use, however, as there is something a bit dodgy about the power supplies.

Aug 20, 2007 | Canon CanoScan 8400F Flatbed Scanner

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