Lexmark C530DN Technical Reference - Page 215

4-20 PostScript devmount device devmount boolean sets the Mounted device parameter for the specified device to true. It also returns the value of the Mounted device parameter for the specified device. This operator is in systemdict. The boolean values indicate: true device successfully mounted, or was already mounted false device not mounted If a device with the specified device name is not installed, an undefinedfilename error occurs. This operator may change the search order. See "Device Search Order" on page 6-12. Errors: invalidaccess, stackunderflow, undefinedfilename devstatus devicename devstatus false or devicename devstatus searchable writeable hasnames mounted removable searchorder free size true returns on the stack the status of a specified device. This operator is in systemdict. A value of false is returned if the device is not present. If the device is present, five boolean values and three integers (see the following description) followed by a value of true are returned. The five boolean values are: searchable true, if the device is included in the search order and is to be searched for the file operators that do not specify a device name. Same as the value of the Searchable device parameter from the specified IODevice. writeable true, if the device can be written to. This value is the same as the Writeable device parameter from the specified IODevice. hasnames true, if the device supports named files. This value is the same as the HasNames device parameter from the specified IODevice.