Chapter 12CUPS Extensions to IPP

This chapter describes the attributes, operations, and browsing protocol enhancements provided by CUPS. Use this information in conjunction with Chapters 711 when writing IPP client applications for CUPS.

CUPS Attributes

CUPS defines several additional attributes that are used solely for the CUPS operations. Table 12.1 lists these attributes.

Table 12.1 Additional CUPS Attributes



The device-class attribute defines the type of device, which can be one of the values listed in Table 12.2.

Table 12.2 Device Class Keywords


The device-info attribute provides a description of the device. ...

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