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Enable WSPrint 2.0 on a device

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This topic describes the settings required to enable WSPrint 2.0 on a device.

Broadcast a Mdns printer service

This must be done using the service type of PrintService._printer._tcp.local on port 80.

Implement a HTTP endpoint

The endpoint needs to be able to respond to WSPrint 2.0 operations. You do not need to perform SOAP validation and processing. You can instead use string detection and replacement.

Once the WSPrint endpoint is functioning, you need to customize the XML returned from the GetPrinterElements call with a custom device id:

<wprt:DeviceId>MFG:MS3D; CMD:XPS; MDL:Compat; CLS:Printer; DES:Compat; CID:MS3DWSD</wprt:DeviceId>

This matches with the Compatible ID in the published INF:

WSDPRINT\MS3DCompatE2D2

WSPrint interactions

The following diagram shows WSPrint 2.0 interactions:

wsprint interactions.

The following steps are a more detailed description of WSPrint 2.0 interactions:

  1. Probe – Network Discovery bootstrap

  2. Resolve – Network Discovery bootstrap

  3. Get – Printer MetaData Query

  4. GetPrinterElements – Printer MetaData Query

  5. Subscribe – Event model registration

  6. Unsubscribe – Event unregistration

  7. SetEventRate – Event rate

  8. Renew – Renew

  9. PrepareToPrint – Print initialization

  10. CreatePrintJob – Print submission

  11. CreatePrintJob2 – Print submission

  12. GetPrintDeviceResources – Allows retrieval of localized resources in ResX (Multi Part Outgoing Response)

  13. GetPrintDeviceCapabilities  - Allows retrieval of Print Device Capabilities (Multi Part Outgoing Response)

  14. GetBidiSchemaExtensions - Allows retrieval of Bidi Schema extensions (Multi Part Outgoing Response)

  15. CancelJob – Job cancellation

  16. GetActiveJobs – Job progress

  17. GetJobHistory – Job history

  18. AddDocument – Add document to current print

  19. GetJobElements – Get job statuses

  20. SendDocument – Actual print data (Multi Part Incoming Request)

For more information on WSPrint 2.0, see the following resources:

Implementing Web Services on Devices for Printing

WSPrint 2.0 specification