something wrong with driver for smart card reader Ricoh Co Ltd RL5c476 II

The reader's presistance is not reconized by the software. MS Windows works with the reader correctly.
According to the driver's wep-page http://sdricohcs.sourceforge.net/ the driver has been included in the official kernel sources.

02:06.0 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev b9)
 Subsystem: Hewlett-Packard Company Device 30be
 Flags: bus master, medium devsel, latency 168, IRQ 18
 Memory at e4100000 (32-bit, non-prefetchable) [size=4K]
 Bus: primary=02, secondary=03, subordinate=03, sec-latency=176
 Memory window 0: 84000000-87fff000 (prefetchable)
 Memory window 1: 90000000-93fff000
 I/O window 0: 00005c00-00005cff
 I/O window 1: 00005800-000058ff
 16-bit legacy interface ports at 0001
 Kernel driver in use: yenta_cardbus
 Kernel modules: yenta_socket

02:06.1 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev b9)
 Subsystem: Hewlett-Packard Company Device 30be
 Flags: bus master, medium devsel, latency 168, IRQ 19
 Memory at e4101000 (32-bit, non-prefetchable) [size=4K]
 Bus: primary=02, secondary=04, subordinate=07, sec-latency=176
 Memory window 0: 80000000-83fff000 (prefetchable)
 Memory window 1: 8c000000-8ffff000
 I/O window 0: 00005400-000054ff
 I/O window 1: 00005000-000050ff
 16-bit legacy interface ports at 0001
 Kernel driver in use: yenta_cardbus
 Kernel modules: yenta_socket

Locale (time-, number format / codepage): English / en_US.UTF-8

Base version: 3.6.0.904-ubuntu-12-04
ID-card utility version: 3.6.0.694-ubuntu-12-04
OS: Linux Mint 13 Maya
CPU: model name : Intel(R) Core(TM)2 Duo CPU T7100 @ 1.80GHz
Laptop: HP 6910P
Kernel: Linux 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10 20:41:14 UTC 2012 i686

Library paths: /usr/lib/i386-linux-gnu/qt4/plugins;/usr/bin
Libraries:
libdigidoc (3.6.0.707-ubuntu-12-04)
libdigidocpp (3.6.0.771-ubuntu-12-04)
qdigidoc (3.6.0.795-ubuntu-12-04)
qesteidutil (3.6.0.694-ubuntu-12-04)
openssl (1.0.1-4ubuntu5.5)
libpcsclite1 (1.7.4-2ubuntu2)
opensc (0.12.2-2ubuntu1)
QT (4.8.1)

PCSC service status: Running

Card readers:

No readers found

Browsers:
chromium-browser ()
firefox (16.0.1+build1-0ubuntu0.12.04.1)

OpenSC tool:
No smart card readers found.

PKCS11 tool:
Available slots:

USB info:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 002: ID 08ff:2580 AuthenTec, Inc. AES2501 Fingerprint Sensor
Bus 007 Device 002: ID 046d:c016 Logitech, Inc. Optical Wheel Mouse