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4-4. TROUBLESHOOTING
Error Contents
Causes / Points to check
Solutions
Can’t turn the printer ON Is the power switch turned ON?
Turn the power switch ON
Is the connector on the power
adapter properly connected?
Connect the connector firmly
Does the printer reset when you turn
the power switch ON?
If it does, something is wrong with the
operation Panel.
Does the LED on the adapter light up
when connected to the wall?
If it doesn’t, check the connection of the
Power Supply cord. If the connection
is OK, something is wrong with the
adapter.
Other
Something may be wrong with the
power switch parts or with the main
board.
The ON LINE indicator
doesn’t light up
Is the ERROR Indicator ON?
If it is, see “the ERROR Indicator is ON”
Press the ON LINE button
If the ON LINE Indicator turns on, it’s
normal
The ERROR Indicator is
ON
Check if the printer is out of paper
If paper is out, replace with a new roll
The cover doesn’t open even if
you slide the cover open knob
The Automatic Paper Cutter may be
locked. 3.3, “Printer Jam”
The printer cover doesn’t close
completely
Open the cover by sliding the cover
open knob, and close it again by
pushing at center of the cover.
The ERROR indicator
doesn’t light up while
paper is exhausted
(The Printer Cover is close)
The ON LINE Indicator lights up by
using the ON LINE button
Something is wrong with the paper
sensor of the main board inside the
printer
Other
Something is wrong with the operating
panel
Can’t print the self test
The ON LINE indicator is not ON
See “ON LINE Indicator doesn’t light up
Printing causes the paper to feed
Something is wrong internally or with
the printer head.
Printing cannot be done
by the commands from
the HOST or printing
garbled
Check print capability by running the
Self-Test
If printing fails, see “Can’t Print”
Is the Connector of Interface firmly
connected with screws?
Seat the connector firmly and tighten
the screws
Check the setting of DIP switch
Refer Appendix and set the switches
correctly, then power cycle the printer
The drawer Kick doesn’t
work
Is the drawer kick connected
properly?
Re-plug in the cable. You should hear
or feel a click if the proper connection is
made.
Is Y-cable connected in reverse
order?
Check the Y-cable and verify it is
connected in the correct order.
Other
Something may be wrong with the main
board inside the printer.
The ERROR Indication
and ON LINE Indication
flash on and off
alternately
Check the setting of DIP Switch
Refer to Appendix. Turn the printer off,
make any necessary changes, then
turn the printer on
