We discussed the proposed values for the "output-bin" attribute at today's IPP concall and have some minor changes to the definitions along with a larger clarification for the "printer-output-tray" attribute.
However, one of the conclusions may need to change since after further research it appears that PWG 5100.8 did indeed define the "output-bin-actual" attribute as "1setOf (type2 keyword | name(MAX)))".
Thus, I would like to update the definition of the "output-bin" values to be as follows:
'collator'; Each copy is placed in an empty output tray. If all trays are full, the Printer cycles through each of the trays in an implementation-defined manner. The chosen output trays MUST reported in the "output-bin-actual" Job Description attribute.
'job-separator'; All of the output for the Job is placed in an empty output tray. If no trays are empty, the Printer chooses an output tray in an implementation-defined manner. The chosen output tray MUST be reported in the "output-bin-actual" Job Description attribute.
That would also imply that the 'auto' value should assign the chosen tray as well:
'auto'; All of the output for the Job is sent to an implementation-defined output tray based on the Job Template and Document Template attributes. The chosen output tray MUST be reported in the "output-bin-actual" Job Description attribute.
Since the "printer-output-tray" attribute is linked to the "output-bin-supported" attribute, we discussed how to report logical trays such as 'auto', 'collator', and 'job-separator'. We decided the following:
1. Logical trays are provided by the service, so while they will be listed in the "printer-output-tray" attribute they will NOT be listed in the Printer MIB prtOutputTray table.
2. Logical trays are reported in "printer-output-tray" using a 'type' value of 'other' (1). The values of the other fields are calculated in an implementation-defined behavior (roll-up status, etc.)
3. The same behavior should be applied to "printer-input-tray" for the "media-source" value of 'auto'.
Michael Sweet, Senior Printing System Engineer, PWG Chair
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