Bematech KB-1800 - Manual (Page 15)

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evision 1.3
Operation Modes
The printer can be operated in the following modes:
Normal
In this state, the printer is being controlled by the host through the serial or parallel interfaces.
Dump mode
In this mode advanced users and programmers can identify communication problems between the host and the
printer or check if a certain programmed data is correctly being sent to the printer, thus being a debugging
tool. To start the hexadecimal dumping, turn on the printer while pressing the paper feed switch. A message
will be printed on the paper asking you to press once more the paper feed switch if Dump mode is desired.
Self-testing
To run a self-test, turn the printer off. Press and hold the Paper Feed switch and turn it on. When the printer starts
printing, the paper feed button can be released. A message will be printed asking you waiting for the self-test. In
the self-test you will find the printer firmware version, among other information.