Question about HP ScanJet 3530C Flatbed Scanner

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My hp3530c scanner stopped work when I'm connect it to power nothing happen I'm check dc supplier look good and supply 12v dc What is the next step to continue check I'm have checked internal fusses all good any sugestion is acceptable Thaks Aleks

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This is a link to HP's website for your scanner:

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01275876&jumpid=ot_recdoc/bps03297/en_us/c01275876/loc:4&custom_solutionid=rd_bps03297&lc=en&dlc=en&cc=us&lang=en&product=73497

Take a look. There is a lot of good information here. Please let me know if this has helped you. Thank you, Binary Bob

Posted on Dec 10, 2008

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Pinout Details for HP C7671B transparency adaptor mini din connector


Cut the mini din wire, you will see four wires inside the sleeves. The red wire is positive terminal, and black wire is negative terminal. Use any 12V DC adapter to connect. The adapter will light up. Good Luck.

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Wand Scanner - panscn08 buttons do nothing


Yes follow the first steps to set up the scanner (charge it, properly insert the memory card, etc.) Then you are ready to scan
Once you press the SCAN button and the Green LED stays lit its time to roll the scanner down your document to be scanned. When finished press the Scan button again to STOP the scan. If successful your Document count in the display will move from 000 to 001. That is the only indication that you now have a successful scan.
Next Press and hold the SCAN button until the display goes blank.
Now you can remove the memory card (by pushing in and it will release). Place this memory card into a memory card reader on your computer to transfer and view your scanned documents. Rinse and repeat.
BTW, I found a quick start guide for this Pandigital Handheld Wand Scanner Model PANSCN08 at:
http://www.qvc.com/footers/E167092_quick-start-guide.pdf

Good Luck!

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1 Answer

I HAVE LOST THE POWER ADAPTER, CAN YOU SUPPLY A NEW ONE?


this one will work. http://www.buy.com/prod/belkin-12v-dc-power-adapter-20w-belkin-12v-dc-power-adapter-20w/q/loc/101/10296195.html

Mar 30, 2011 | Umax Astra 1220U Flatbed Scanner

2 Answers

Scanner not found.


first check all your wires make sure nothing has come loose.

unplug the power supply wait a minute and re power scanner.
Also, turn off you PC and restart it.

retest your scanner
if it still does not work then..

next try reinstalling your scanner driver software on your computer.

If these beginning steps do not work please write back for further diagnosis.

Mar 26, 2010 | HP Scanjet 4370

1 Answer

Power coverter to scanner failure.which unit should i buy? present one 240v 50/60hz.0.4A. output 12v.dc.i.25A


I just found my Canon 5000F scanner to have a power supply outputting 3V DC instead of 12V DC. I replaced it with a 12V DC Power Supply from Tandy rated at 1.5 amps. I had the scans getting darker by the day and sometimes completely black. Now I have great scans again. Just test the voltage at the plug that supplies the scanner for a healthy 12V DC with a multimeter.

Jan 20, 2010 | Canon CanoScan 5000F Flatbed Scanner

1 Answer

Unsure about power supply


Don't know if you've got round this by now but the supply needs to be 12v 1A with the inner positive

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1 Answer

Scanner prints just black sheet


The mystery is solved!!
I live in Norway and my CanoScan 5000F has worked brilliantly until it suddenly started to display a black preview in ScanGear, black scanning and to no surprise,- a completely black printout.
My first thought was that the scanner-lamp had died,- but that was strange because I hadn't used the scanner that much. I hadn't made any changes to my computer system either. The operating system (Windows XP), scanner software and drivers were exactly as before.
I made a new testrun and saw the light come on from the side of the scanner and move along the platen as usual. The sound and operation of the scanner seemed to be all normal.
A quick check on the internet revealed that there were many other guys out there who had experienced the same problem. Some had tried new drivers, uninstalled and reinstalled, but to no luck. I also tried the same method, but was stuck with the same problem.

I have a background as an electronic service-engineer, and this mystery really gave me a good challenge. Why did so many people experience the same thing? Why couldn't Canon answer and give a reasonable explanation to the phenomenon? What was the common factor in all these cases?

Every scanner is connected to the mains via a power-unit. Mine is European standard with type nr. PA-08E. It is labelled with output DC 12V (stabilized!) and a rated current of 1.25 A at this voltage.

I brought the power-unit to my lab for a test. When I measured the voltage without any load (no scanner connected) it read 12 V as stated,- so it seemed to be ok.
But when I connected a load (a car light bulb 12 V / 3 W - equivalent to a current of just 0.25 A), the lamp just barely glowed and the voltage (that should be 12 V constantly) dropped to just 4 V.

This proved without any doubt that the power-unit was defect. It could no longer maintain a constant 12 V during load.

I had a variable power-supply in my lab that could be set to 12 V and connected to the scanner for a test. But Canon had made a very peculiar connection to the scanner by using a rare male power plug (with a center (+) pin inside). Normally a round hollow (female) plug is used on such power-units.
So I cut the DC cable a few centimeters from the power-unit, split the two leads 4 cm apart and dismantled 1 cm of insulation from each end. On my power-unit one of the leads were marked all the way with text, and this one proved to be the minus (-) lead connected to the outer (metal) part of the DC plug.
The two ends were connected to my power-supply (with correct polarity!), and the other end with the DC plug were connected to the scanner. Power-supply was switched on and my computer system was restarted.
I opened the Paint Shop Pro program, clicked 'Twain Acquire' and the ScanGear CS window appeared.
After this insident a calibration of the scanner is required: Close the lid with no document inside, click 'Advanced Mode >>' down right and then 'Settings' / 'Quality' / 'Calibration'. The scanner will do some adjustments for a few seconds and finish when the small calibration window close.
At last my CanoScan 5000F came back to life again. The preview was normal, and the scanned images as superb as they had been before.

Conclusion: Do not throw your scanner away! Buy a new power-unit with DC 12 V stabilized and at least 1.25 A. Brand is not important as long as it is of good quality and correct voltage/current, but cut and use the cable and plug from the defect power-unit as I described earlier. Remember to isolate the connecting area (+ and -) firmly.

Regards Tore Nilsen
Harstad, Norway

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5 Answers

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I've done it, using an adjustable power supply all i needed was 12VDC - 2Amp, the power connector going to the scanner is a 4 pin mini-DIN male, so i've ripped of the cable from the original bad power module, cable has inside 2 wires one black one white and a shielding. Black and schielding are connected together and are going to the minus, the white one is going to +12V

guess what? .... my scanner is working again

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1 Answer

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