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Updated April 2, 2009
Status byte 2
Status byte 3
Status byte 4
Contains the printer engineering code (EC) level with all status messages.
Bit
Description
3
Document right home position. Set to 1 when the print head is in the document
right home position.
4
Reserved. Always 0.
5
Ribbon cover open. Set to 1 when the ribbon cover is open.
6
Cash receipt print error. Paper cover is open, the customer receipt station is
out of paper, or the cutter is jammed in the closed position.
7 (MSB)
Command reject.
Bit
Description
0 (LSB)
Document ready. Set to 0 when the document insert station is ready for
printing. This occurs when both document sensors detect the document and the
document has been fed to the first print position.
1
Document present under the front sensor. Set to 0 when a document is under
the front document sensor.
2
Document present under the top sensor. Set to 0 when a document is under
the top document sensor.
3
Reserved. Always equals 1.
4
Print buffer held. Set to 1 when the print buffer is being held. Cleared when
buffer released.
5
Open throat position. Set to 1 when the print head is in the open throat
position.
6
Buffer empty. Set to 1 when no print data and no commands are in the buffer.
7 (MSB)
Buffer Full. Set when only 1K bytes are available in the buffer.
Bit
Description
0 (LSB)
Memory sector is full.
1
Home error.
2
Document error. The document was not inserted after the document station was
selected, and the wait subsequently timed out.
3
Flash EPROM load error or MCT load error.
4
Reserved. Always equals 0.
5
User flash storage sector is full.
6
Firmware error. CRC on the firmware failed. The printer is running out of the
boot sector. Only system commands and firmware commands are accepted.
7 (MSB)
Command complete ("Erase flash EPROM sector" on page 123, "Flip check" on
page 166, and whenever a physical line is printed). Set to 1 when the
command is complete or a physical line is printed.
Appendix D. EIA-232 programming information
185
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