Other Issues- 152 -Restrictions on Each OSRestrictions on Windows 7/Windows Vista/Windows Server 2008 R2/Windows Server 2008Only the first printer driver is installedeven if multiple printer drivers areselected to install.8. On the [Devices and Printers], right-click the iconof the second or later driver and select [Printerproperties] ( [OKI MB491(*)] when multiple driv-ers are installed).*Select the type of driver you want.9. From the [Ports] tab, select [USBxxx] from the list.10. Click [OK].-The [Unable to install printer driver]error message is displayed.Use Plug-and-Play. Follow the procedure below:1. Ensure that the machine and computer are turned off.2. Connect a USB cable.3. Hold down the power switch for about a second toturn on the power.4. Turn on the computer.5. When the Found New Hardware Wizard is displayed,follow the on-screen instructions to complete the setup.For details, refer to [README.TXT] in the "SoftwareDVD-ROM".-Item Symptom Cause/RemedyPrinter drivers [Help] is not displayed. The [Help] function is not supported on PS printer drivers.The [User Account Control]dialog appears.When you launch an installer or utility, the [User AccountControl] dialog may appear. Click [Yes] or [Continue] torun the installer or utility as an administrator. If you click[No], the installer or utility does not start.Network Extension [Help] is not displayed. The [Help] function is not supported.The [User Account Control]dialog appears.When you launch an installer or utility, the [User AccountControl] dialog may appear. Click [Yes] or [Continue] torun the installer or utility as an administrator. If you click[No], the installer or utility does not start.The [Program CapabilityAssistant] dialog appears.If the [Program Capability Assistant] dialog appears afteran installation (including if you stop an installation before it iscompleted), make sure to click [This program installedcorrectly].PS Gamma Adjuster The [User Account Control]dialog appears.When you launch an installer or utility, the [User AccountControl] dialog may appear. Click [Yes] or [Continue] torun the installer or utility as an administrator. If you click[No], the installer or utility does not start.The [Program CapabilityAssistant] dialog appears.If the [Program Capability Assistant] dialog appears afteran installation (including if you stop an installation before it iscompleted), make sure to click [This program installedcorrectly].Cause Remedy Reference