Appendix A. IPDS Exception Reporting Codes
The following tables contain the exception reporting codes, which the printer
sends to the host in the NACK reply. These codes are in a three-byte format.
The first byte, byte 0, is the error group. The remaining two bytes, bytes 1 and
2, are the individual error identifiers. Table 113 shows the error group
meanings:
Comm and Reject: Indicates that the printer cannot recognize a received
command.
Inte r v e n tion Req u ir e d: Indicates that the printer requires operator intervention.
Equipment Check: Indicates that a hardware error has occurred.
Data Check: Indicates that the printer detects a data error when receiving a
logical unit from the application program or that the printer detects a data error
while printing the page.
Specification Check: Indicates that the data parameters or values in a received
command are invalid.
Condition Requiring Host Notification: Indicates that the printer has detected an
error or condition that should be reported to the host computer.
Table 113. Exception Reporting Group Codes
Byte 0 Error Type Page
80 Command Reject 140
40 Intervention Required 140
10 Equipment Check 141
08 Data Check 141
04 Specification Check - Bar Codes 142
03 Specification Check - Graphics 145
02 Specification Check - General 150
01 Condition Requiring Host Notification 167
Ó Copyright IBM Corp. 1995 139
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