Printronix SL5000 参照マニュアル

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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
40
Intervention Required
10
Equipment Check
08
Data Check
04
Specification Check - Bar Codes
03
Specification Check - Graphics
02
Specification Check - General
01
Condition Requiring Host Notification