User's Manual

Troubleshooting and Diagnostics
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Chapter
7
131
6820 Series 80-Column Printer User’s Manual
Diagnostic Information (continued)
Total
Length
Stored asDescriptionLength
Field
ID
50 2 NPCP NDM (normal disconnect mode) error count. In-
crements when normal disconnect mode entered.
2 bytes 20 bytes
2 NPCP address error count. Increments when invalid print-
er address received.
2 bytes
2 NPCP length parity error count. Increments when parity
of length field in frame incorrect.
2 bytes
2 NPCP IFTS (invalid frame this state) error count. Incre-
ments when invalid session layer command received.
2 bytes
2 NPCP sequence error count. Increments when LLC se-
quence numbers incorrect.
2 bytes
2 NPCP CRC error count. Increments when MAC CRC
error encountered.
2 bytes
2 NPCP Frame error count. Increments when IFRAMES
received when session is not bound.
2 bytes
2 NPCP Bind error count. 2 bytes
2 NPCP IPLDUR (Invalid presentation layer data unit) error
count. Increments when bad presentation layer command
received.
2 bytes
60 4 IrDA rxFramesOk — total frames received OK. 4 bytes 46 bytes
4 IrDA rxFramesCrcErr — total frames received with CRC
error.
4 bytes
4 IrDA rxTotalBytes — total Bytes received OK. 4 bytes
4 IrDA rxFramesDiscardBuf — total frames discarded due to
no buffer space.
4 bytes
4 IrDA rxBroadcastFrames — total broadcast frames received
OK.
4 bytes
4 IrDA rxFramesDiscardHwErr — total received frames dis-
carded, due to hardware error.
4 bytes
4 IrDA txFramesOk — total frames transmitted OK. 4 bytes
4 IrDA txTotalBytes — total bytes transmitted OK. 4 bytes
4 IrDA txBroadcastFrames — total broadcast frames trans-
mitted OK.
4 bytes
4 IrDA txFramesNotTxTimeout — total frames not trans-
mitted due to time -out.
4 bytes
4 IrDA txFramesNotTxHwErr — total frames not trans-
mitted due to hardware error.
4 bytes