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TWAIN Redirection Description Citrix XenApp™ Server can now redirect client-connected imaging devices, notably document scanners, from the client to the server. This allows users to control client-attached imaging devices from applications that run on the server. Test methodology An HP Scanners/All-in-One device was attached to the client system using a SCSI cable or USB cable. The Scanner/All-in-One device was connected to the client system and drivers for the Scanner/All-in-One device were either downloaded from the HP Driver Support website or installed from the CD-ROM supplied with the Scanner/All-in-One device. The client system connected to the XenApp™ server farm, which verified that the TWAIN compatible applications in a Citrix XenApp™ Server session could recognize and utilize the Scanner/All-in-One device for scanning within the TWAIN compliant application. Printer model tested HP Officejet Pro L7680 All-in-One TWAIN driver version tested HP Officejet Pro L7600 Series (61.63.263.21) Known issues with TWAIN Redirection and HP Scanners/All-in-One devices. No issues were discovered when testing TWAIN Redirection using the HP Scanners/All-in-One devices listed above. 36

Section	Page
Executive summary	2
What’s new	2
Versions of Terminal Server and Citrix supported by HP	2
Testing performed by HP	3
HP LaserJet printers and supported driver versions	4
HP Color printers with Edgeline Technology and supported driver versions	12
Using the HP Universal Print Driver version 4.7 for Windows in Citrix environments	12
The difference between the Citrix and HP UPDs	13
Known limitation of the UPD when used for autocreated printers or redirected printers with client printers that are directly attached	13
Client printer settings not reflected in autocreated printers	13
Business Inkjet printers and supported driver versions	14
HP Deskjet printers and supported driver versions	15
LIDIL HP Deskjet printers	18
Using HP ink-based All-in-One and Photosmart printers	19
HP Designjets and supported driver versions	22
Autocreation performance in Citrix	22
HKCU\\Software\\Hewlett-Packard registry hive increases in size in Citrix	22
Memory leaks and memory corruption causing possible spooler crash, spooler hang, failed autocreation, failed autocreated printer cleanup, and server performance degradation	23
Autocreation of HP printer fails with Citrix	23
Client driver settings lost during autocreation	23
Inability to print with certain HP drivers in Citrix MetaFrame 1.8 SP3 or earlier	24
HP Deskjet printer drivers will not load under non-administrator privileges	24
HP printer with DOT4 port on client does not create a redirected printer in Terminal Server	24
Network print servers	27
Description	27
Test methodology	27
Known issues with network print server and HP printers and drivers	27
Printer policies	27
Description	27
Test methodology	28
Known issues with printer management properties and HP printers and drivers	28
Session printers	28
Description	28
Test methodology	28
Known issues with autocreation printers and HP printers and drivers	29
Client printer properties	29
Description	29
Test methodology	29
Known issues with client printer properties and HP printers and drivers	30
Universal printer	30
Description	30
Test methodology	30
Known issues with printer management properties and printers and drivers	31
Autocreated client printers	31
Description	31
Test methodology	31
Known issues with client printer performance and HP printers and drivers	32
Printer driver compatibility	32
Description	32
Test methodology	32
Known issues with printer driver compatibility and HP printers and drivers	33
Client printer driver mapping	33
Description	33
Test methodology	33
Known issues with client printer driver mapping and HP printers and drivers	34
Printer driver replication	34
Description	34
Test methodology	34
Known issues with printer driver replication and HP printers and drivers	35
TWAIN Redirection	36
Description	36
Test methodology	36

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TWAIN Redirection

Description

Citrix XenApp™ Server can now redirect client-connected imaging devices, notably document

scanners, from the client to the server. This allows users to control client-attached imaging devices

from applications that run on the server.

Test methodology

An HP Scanners/All-in-One device was attached to the client system using a SCSI cable or USB

cable. The Scanner/All-in-One device was connected to the client system and drivers for the

Scanner/All-in-One device were either downloaded from the HP Driver Support website or installed

from the CD-ROM supplied with the Scanner/All-in-One device.

The client system connected to the XenApp™ server farm, which verified that the TWAIN compatible

applications in a Citrix XenApp™ Server session could recognize and utilize the Scanner/All-in-One

device for scanning within the TWAIN compliant application.

Printer model tested

TWAIN driver version tested

HP Officejet Pro L7680

All-in-One

HP Officejet Pro L7600 Series (61.63.263.21)

Known issues with TWAIN Redirection and HP Scanners/All-in-One devices.

No issues were discovered when testing TWAIN Redirection using the HP Scanners/All-in-One

devices listed above.