Description: Sub-unit status is reported in the entries of the principle table in the Group that represents the sub- unit. For sub-units that report a status, there is a status column in the table and the value of this column is always an integer formed in the following way. The SubUnitStatus is an integer that is the sum of 5 distinct values, Availability, Non-Critical, Critical, On-line, and Transitioning. These values are: Availability value Available and Idle 0 000'b Available and Standby 2 010'b Available and Active 4 100'b Available and Busy 6 110'b Unavailable and OnRequest 1 001'b Unavailable because Broken 3 011'b Unknown 5 101'b Non-Critical No Non-Critical Alerts 0 Non-Critical Alerts 8 Critical No Critical Alerts 0 Critical Alerts 16 On-Line Intended state is On-Line 0 Intended state is Off-Line 32 Transitioning At intended state 0 Transitioning to intended state 64 Additional information: This object is for use by the I/O card only. After telling the peripheral how many logical channels will be used, the MIO card tells the printer the status of each of the channels. The status can change from time to time. The status information is passed using the channelStatus object. Values are saved by the peripheral and reported when users request the value of prtChannelStatus.