
Operation
Attaching Power
36
P1016701-001 KR403 Integrators Guide 12/23/2009
Manual Printer Reset
The KR403 printer does not have a power switch or reset button. To manually reset the printer,
disconnect the 24 VDC power from the printer. Wait a few seconds for the Power LED to turn
off and reconnect the power plug. The printer will take around a 25 seconds to reboot and
initialize.
The printer can also be reset with the ZPL ~JR command when sent by the kiosk application.
This is equivalent to cycling the printer power for the printer’s internal programming.
Determining Thermal Media Types
The KR403 printer uses direct thermal media. Direct thermal media has a chemically treated
print surface that uses heat to expose or darken the area where heat is applied. Thermal transfer
media or ordinary un-treated paper requires ribbon or ink for printing while direct thermal
media does not. To determine what type of media is being used and print surface of the media,
perform a media scratch test.
The KR403 printer only uses outside wound roll media or fan-fold media. The print surface
faces away from the center of the printer. Media with black marks
To perform a media scratch test, complete these steps:
1. Scratch the print surface of the media with a finger nail or pen cap. Press firmly and
quickly while dragging it across the media surface. Direct thermal media is chemically
treated to print (expose) when heat is applied. This test method uses friction heat to expose
the media.
2. Did a black mark appear on the media?
If a black mark... Then the media is...
Does not appear on the media Thermal transfer. A ribbon or ink is required and is
not support for use by the KR403.
Appears on the outside of the
media.
Direct thermal. No ribbon or ink are required.
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