Problem with mapping network location - on network printer

I added a printer to my network (hp c5180) via ethernet cable. But problem accords when I try to map a network location (card reader 5in1 or sth like that, is used to read SD, xD, ms cards used in cameras) from which I d like to copy images, files in explorer without extra software from HP. After I installed drivers for printer, it automatically map a network location but when I try to open it or connect to that location I get an error:

"Access code is invalid"
The network path is "\\\Memory_card"
I copied this link in to my internet browser (in this case its g Chrome) and I was able to connect to the network location:

Its strange because all of XP based computers can easily connect, problem is only with windows 7 based computers.
Somewhere I found that this could be repaired with changing: (below)
1. Open the Administrative Tools in the Control Panel
2. Open the Local Security Policy
3. Select the Security Option under Local Policies
4. Choose Send LM & NTLM responses in Network security: LAN
or in reg:
In Windows 7, we can set the following Registry key “HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Lsa\LMCompatibilityLevel” to “1”.
But this solutions dont work in my case.

Does somebody know hot to fix this and what is causing it??
Ty for reply :eek:

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