Custom Audio Electronics VKP112, User Manual

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• key + key During power-up, if both keys are held down, the printer enters the print
setup routine. Following the print-out of the setup report, the printer re-
mains in standby until a key is pressed or signals arrive from the serial
port; each 10 characters it prints out hexadecimal and ASCII codes (if
the characters are underlined, the receive buffer is full); see Receive
buffer hexidecimal print-out.
To entry in the notch sensor autocalibration phase (printer option 0103) press the LINE FEED key during the
printer power-up. After the beginning of the font test press, at the same time, the LINE FEED key and the FORM
FEED key. At the end of the font test the printer begin the notch threshold autocalibration.
The “Power On” LED (green) indicates that the printer is on. •
The Paper Low LED (red) indicates that the paper is about to run out. •
The “Status” LED (yellow) indicates printer status; the check is made on-line. Given in the table 1 are the •
various LED signals and the corresponding printer status.
STATUS
LED
COLOUR DESCRIPTION
OFF Printer malfunction
ON Printer ON - no malfunction
BLINKING
RECOVERABLE ERROR
Fast Overheating
Slow (for extended period) “No Paper” message
Slow (for short period) Printing head turned upwards
(Tab.1)
INTRODUCTION
4 VKP112
User Manual