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  HP ScanJet 4200C computer doesn't see it anymore 
 Date Written 
Robzzz Sep 16, 2004, 07:14pm EDT Report Abuse
I have had an hp FlatBed ScanJet 4200C for some time. I had it on a second computer which was running Windows XP home edition. The Scanner has a USB connection. It used to work fine altough I did have to download updated scanner software to get it to work with XP. I recently upgraded that computer with a new MOBO and CPU, otherwise it's the same system except that i did have to do a clean windows xp install. Windows loads the drivers for the scanner and it's seen in device manager and there are no conflicts BUT when I install the scanner software I get an error message saying that no scanner is connected. I know I have the correct drivers and the same software as before.I've tried uninstalling and reinstalling but always the same error message. Any ideas? I don't use the scanner for much,but it's useful sometimes and I hate to have to buy a new one.



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Robzzz Sep 16, 2004, 07:35pm EDT Report Abuse
>> Re: HP ScanJet 4200C computer doesn't see it anymore
I checked out the post for problems with the hp 6200 series and followed the links and fixed the problem. I guess USB connection problems and HP scanners are not new!!!!!


e c Nov 11, 2004, 11:42pm EST Report Abuse
>> Re: HP ScanJet 4200C computer doesn't see it anymore
I had initial problems with the 4200c scanner on winxp.
I downloaded the official 2.0.3 drivers from HP. sj655en.exe file.
I installed the drivers. Scanner found by Winxp, drivers installed.
I start Precision Scan LT software. It hangs, it never comes back. Scanner never works. I have to end-task on PrecisionScanLT software.
The scanner is useless in Winxp.

Yet!!! it worked fine in Win2k. What gives???

I did this to resolve the issue. Not sure if this was the root fix or not. Highlight the C:\SCANJET\PrecisionScanLT\hpprsclt.exe file. right click and select properties. Set compatability mode to Win98.

if that doesn't work, I tried these items, during my troubleshooting adventure.
No guarantee any of this will work. Quite a bit of non-standard tweaking here...
a> Uninstalled PrecisionScanLT software

b> Went back to the HP site and downloaded this file, sj654mu.exe. "updated drivers for Winxp" or so they claim. I ran it. It installed updated drivers. No complaints. WinXP still saw the scanner. Okay I say.

c> Went to my Win2k box and copied the c:\scanjet folder to my WinXP box.
in the C:\SCANJET\PrecisionScanLT there was a hpprsclt.reg file. I ran it. It set various registry entries for the software.

d> I then copied the msv*.* files from the c:\sj655 folder to the C:\SCANJET\PrecisionScanLT folder. My working theory is that the precisionScan software was getting corrupted from some MS visual C dll file. Dunno.

e> I then set the compatability of C:\SCANJET\PrecisionScanLT\hpprsclt.exe to Win98. My next theory was that this old software just didn't play well with WinXP. Can I tell WinXP to run this software in some compatability mode?

f> I doubleclicked on hpprsclt.exe file (The main executable that is called the PrecsionScan LT software).

It worked! It scanned! I'm happy, I'm not touching anything else unless it breaks again and I have to tinker some more. My system is probably scrambled enough to where this crappy HPSJ4200c works.



Robzzz Nov 12, 2004, 01:25pm EST Report Abuse
>> Re: HP ScanJet 4200C computer doesn't see it anymore
Thanks for the reply. Basically this is a dicontinued scanner, and really HP would rather I bought a new one. They don't cost much but it's still revenue for HP. However I don't do much scannng and for my needs it was working fne. In the end for a few dollars I sent away for the CD from HP with the drivers for the scanner, installed them and they worked fine with XP. So it was a question of a few dollars to buy old drivers or a hundred dollars for a new scanner. As it happens my two HP printers and my scanner are all discontinued BUT they work fine !

Shawn Langley Nov 12, 2004, 02:37pm EST Report Abuse
>> Re: HP ScanJet 4200C computer doesn't see it anymore
i ahve ahd the same problem, but i have just lived with it, ill try what u said to do, and let u know if it works thanks, saves me a bit o money

Having voices in your head is normal. Listening to them, common. Arguing, acceptable. However, when you lose the argument, you're in trouble.
James O Nov 24, 2008, 09:10am EST Report Abuse
>> Re: HP ScanJet 4200C computer doesn't see it anymore
Well it's 4 years later Nov 2008 & I just had this problem.
From above I found the fix by going to the hpprsclt.exe right clicking then compatability mode tab & changed it to Win 98/ME.
It works now. Thanks. Hope this helps someone using this Scanner I bought mine in 1999 I think.

C Reynolds Aug 16, 2009, 01:41pm EDT Report Abuse
>> Re: HP ScanJet 4200C computer doesn't see it anymore
Make sure the scanner is OFF when you boot up. Then power it up, then run the software. It doesn't detect it on boot up even though it's listed in Device Manager. BTW I took it off compatibility mode and it worked. Wouldn't work as 98/ME. Go Figure!

Karen Gelley Sep 14, 2009, 08:15am EDT Report Abuse
>> Re: HP ScanJet 4200C computer doesn't see it anymore
I am having exactly the same problem and tried all of above, but HP PrecisionScan LT and Microsoft Scanner & Camera Wizard can't detect the scanner. It appears in Device Manager, and Hardware Wizard says device is working properly. I am using XP Pro on the laptop where I am trying to install scanner, and was using XP Pro on other pc where it was previously installed. Now have new pc with Vista, and as we know, HP don't provide a driver for Vista for this scanner. Does anyone have any other suggestions please?

Stu S Apr 13, 2011, 10:25am EDT Report Abuse
>> Re: HP ScanJet 4200C computer doesn't see it anymore
My problem was that the HP PrecisionScan LT software was hanging XP. The solution is simple. Microsoft developed the Windows Image Acquisition API in Windows ME and brought it forward into XP. There are several scanner software packages that support this API, some of them are free downloads like "PaperScan Free Edition". I'm using an old version of "ArcSoft PhotoStudio for Serif".Both support the WIA API.

Connect the scanner to the system. Open the System window from the Control Panel. Select the Hardware tab. Select Device Manager. Find the scanner listed under Imaging devices. Double click on it. If the driver provider is not Microsoft, select Driver tab. Select Uninstall. Disconnect the scanner from the computer and reconnect it. XP should assign it the Microsoft driver. You are good to go.

You might not have all the bells and whistles that the scanner comes with but you'll have the basic scanning functionality thereby saving another piece of hardware from the junk pile.

Good luck. Fun computing.



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