Formats 0, 1, and 2 for Sense Bytes 4-18 and 20-23
Sense bytes 4 through 18 and 20 through 23 describe the cause of each exception condition. (Sense
byte 19 is byte 3 of the exception code.) These descriptions are presented in three separate formats,
which are explained below.
Format 0
Format 0 provides detailed information for all data stream exceptions except data check
positioning exceptions. This format applies to all data check, specification-check, and command-
reject exceptions, except for exceptions X'08C1..00', X'020A..05', and X'0411..00'.
Byte(s) Meaning
4 Data exception, X'DE'
5 Format Identifier, X'00'
6,7 Count of occurrences of the exception (the printer provides an
approximate count of occurrences of some exceptions)
8,9 ID of overlay that has an exception
10,11 ID of page segment that has an exception
12,13 Command in process when exception found
14,15 Object Identifier (other than overlay or page segment that has an
exception, such as a font exception)
16,17 Identifies a part within an object that has the exception, such as "
font"
18 Reserved
20-23 Page Identifier for the page that has the exception
Format 1
Format 1 provides detailed information for both data check positioning exceptions. This format
applies only to data check exceptions X'08C1..00', X'020A..05', and X'0411..00'.
Byte(s) Meaning
4 Data exception, X'DE'
5 Format Identifier, X'01'
4. Exception Reporting, Sense Data, and Recovery
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