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Software Command Syntax
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P1002902-002 TTP 2000 Technical Manual 09/14/2009
Status Reporting Commands
Status codes are reset when:
• the conditions causing them are removed
• the printer is power cycled (turned off/on)
• the print head is lifted and then lowered to clear a paper jam.
<ESC><ENQ><1> issues a status enquiry that results in response ACK (06 hex) if there are no
errors, or NAK (15 hex) and a byte indicating an error if one or more sensors report some
condition.
Important • All status commands except for the acknowledge marker are immediate. This
means that these commands bypass the print queue and are answered as soon as they possibly
can be.
ESC ENQ 1
Status Enquiry
1B 05 01 Hex
27 5 1 decimal
Table 3 • Status Codes
Status code Meaning
ACK OK (printer is operable)
NAK 1 Paper left in presenter module. Attempt to clear the paper path failed.
NAK 2 Cutter jammed
NAK 3 Out of paper
NAK 4 Print Head lifted
NAK 5 Paper-feed error. No paper detected in presenter although 10 cm has been printed. Paper
might be wound around the platen or, in some way, has been forced above the presenter
module.
NAK 6 Temperature error. The print head temperature has exceeded the 60 °C maximum limit.
NAK 7 Presenter not running
NAK 8 Paper jam during retract
NAK 0A Black mark not found
NAK 0B Black mark calibration error
NAK 0C Index error
NAK 0D Checksum error
NAK 0E Wrong firmware type or target for firmware loading
NAK 0F Firmware cannot start because no firmware is loaded or firmware checksum is wrong.
NAK 10 Retract function timed out. If the customer doesn’t take the paper and the printer clears the
presenter due to a timeout, the pending error bit is set and error code NAK 10h is reported.
Note • Errors 0B, 0C, and 10 are one-time errors that clear once they are read.