QUORION LK-T21 User Manual - page 7
7
2.3 Control panel
You can control the basic paper feeding operations of the printer with the button on the
control panel. Press the FEED button once to advance paper one line. If you hold down
the FEED button the paper will be feed continuously.
The indicator lights help you to monitor the printer status. Please check the following
table for different patterns signaled by the three LED indicators
STATUS
PAPER
ERROR
POWER
REMARKS
RED
RED
GREEN
Power off
OFF
OFF
OFF
Normal power is not supplied to the printer
Power on
OFF
OFF
ON
Normal power is supplied to the printer
On line
OFF
OFF
ON
Normal error-free mode
Cover open
OFF
ON
ON
Close cover
Paper empty
OFF
ON
ON
Insert new paper roll
Paper near end
ON
OFF
ON
Paper is low
Test mode
OFF
OFF
ON
Ignored error led
2.4 Function keys
The function keys are four special keys at the front side of the QPrint FM which allow operating the
fiscal printer without external PC or keyboard. They are especially used to program data, print out
the reports and perform special fiscal operations. For detailed information about the usage please
check chapter 4.
2.5 Interfaces
The QPrint FM is equipped with three serial RS232-interfaces to establish connections to PC,
external display and keyboard. Alternatively you may connect the PC by LAN or USB. Furthermore
there is a connection to a cash drawer installed.
USB
Power supply
LAN
Cash drawer
RS232 port 1 (PC)
RS232 port 3 (keyboard)
RS232 port 2 (display)
PAPER
POWER
ERROR
FEED