Computer Configuration > Administrative Templates > Citrix Components > Citrix Workspace > Remoting client devices
Machine
HKLM\Software\Policies\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Printing
Use this policy to enable and restrict the remote application or desktop's access to client printers. When this policy is disabled, the client prevents the server from accessing or printing to printers available to the client device.