Configured Printers in a Thin Client (Windows CE 5.0)
The Add Printer Wizard and Setup user interfaces (UIs) are both backed by logic that reads and writes printer information. Additional printer manufacturers and models can be added to ntprint_parsed.txt, and built into the run-time image (NK.BIN). The printer name must be identical to the printer name of the server, so that the correct driver can be loaded onto the server during a redirected print operation.
The registry settings for the installed printers are stored in the HKEY_LOCAL_MACHINE\WBT\Printers\DevConfig\<LPT#> subkey, where <LPT#> indicates any physical port that is available on the Windows Thin Client. For example, LPT1, or LPT2.
Do not add new printers by adding registry settings. Instead, add new printers by using the Add Printer wizard. Depending on the printer added, this wizard adds critical binary data to the registry that is used for the redirected printing.
Addition of a new printer through the wizard has additional associated logic in RDP. Binary data associated with the printer is stored in HKEY_LOCAL_MACHINE\Software\Microsoft\Terminal Server Client\Default\AddIns\RDPDR under the named value PrinterCacheData0.
For details regarding the format of this data refer to %_WINCEROOT%\Public\Rdp\Oak\Uit\Wbttscmn\Printerhelper.cpp
The following table shows values that are created and used internally by the Windows Thin Client. These values should never be modified using the Registry Editor. They are listed here for reference only.
| Value | Description |
|---|---|
| Name | Default is the user-defined "friendly name" of the printer. This name is optional. |
| Driver | Default is the Microsoft Windows model name of the printer. This name is required. |
| Default | Default is 1. Indicates the default local printer. This is the printer associated with the port name that is the default value ("@") of the HKEY_LOCAL_MACHINE\WBT\Printers\Default subkey. If this value or key does not exist, then no local printer is the default printer. |
The following table shows the value that is created and used internally by the Windows Thin Client. This value should never be modified using the Registry Editor. It is listed here for reference only. This entry is located under the HKEY_LOCAL_MACHINE\WBT\Printers key.
| Value | Description |
|---|---|
| Default | Indicates the physical port that is associated with the default printer on the Windows Thin Client. For example, LPT1:, LPT2:, and so forth. |
See Also
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