Ricoh Aficio SP 3500SF Best Practices Manual page 11

A characteristic of a printer that has a driver that was added to a pre-
existing non Ricoh UPD queue is the Print Processor may be set
incorrectly. Updating the driver via the "New Driver Button", does not
change the print processor. The UPD PCL6, for example, has a Print
processor of winprint and a data type to RAW. The Print processor can be
found under the "Advanced" tab of the driver.
Upgrading the printer driver from an older version (excluding Ver.1.0.0.0)
to a newer version:
Note: If upgrading from an earlier version of the driver (Ver.1.1.0.0 - Ver.2.1.0.0),
the upgrade procedure might result in changes to the values configured for
settings such as orientation and layout.
Step 1 Open the "Printers" folder (or "Printers and Faxes") from the "Start" menu
or "Control Panel".
Step 2 Open the Properties of the printer to be upgraded.
Step 3 Advanced tab > New Driver button > Next button. (see screenshot)
Step 4 Select "Have Disk..." then browse to the folder containing the extracted
printer driver INF file. Click Open.
Step 5 Click OK and select the printer model. Click Next.
Step 6 Once the installation is complete, click Finish.
Step 7 Click OK to close the Printer Properties dialog box.
Step 8 Log the current user account off.
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