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B IPDS Exception Reporting
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. The following table shows the error group
meanings.
Command Reject: Indicates that the printer cannot recognize a received
command.
Intervention Required: 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.
Byte 0 Error Type Page
80 Command Reject 48
40 Intervention Required 48
10 Equipment Check 49
08 Data Check 49
04 Specification Check - Bar Codes 50
03 Specification Check - Graphics 55
02 Specification Check - General 61
01 Condition Requiring Host Notification 79
