User manual

• LF LINE FEED key When the LINE FEED key is pressed, the printer advances the paper so that it
may be inserted manually in the printing mechanism. During power-up, if the LINE
FEED key is held down, the printer enters the print setup routine. Following the
print-out of the setup report, the printer remains in standby until a key is pressed
or signals arrive from the serial port; each 7 characters it prints out hexadecimal
and ASCII codes (if the characters are underlined, the receive buffer is full); see
Receive buffer hexidecimal print-out.
• FF FORM FEED key When the FORM FEED key is pressed, the printer execute the form feed. During
power-up, if the FORM FEED key is held down, the printer executes the FONT
TEST.
• LF + FF key When both the LINE FEED and the FORM FEED keys are pressed the printer
performs a demo ticket.
• STATUS LED Displays printer hardware status. In case of malfunction, the colour and fl ash
frequency changing as follows:.
STATUS LED COLOR DESCRIPTION
GREEN Printer ON : no error
GREEN
Communication status
Nr. fl ashings Description
1 Receive data
2 Reception errors (parity, frame error, overrun error)
3 Command not recognized
4 Command reception time out
Recovering error
Nr. fl ashings Description
5
Near paper end
YELLOW
Recovering error
Nr. fl ashings Description
2 Heading over temperature
3 Paper end
4 Paper jam
5 Power supply voltage incorrect
6 Cover open
RED
Unrecovering error
Nr. fl ashings Description
3 Cutter error
4 RAM error
5 EEPROM error
(Tab.1)
INTRODUCTION
4 KPM150 User Manual