Chapter 3: Troubleshooting
3-5
Printer Does Not Function
Problem
Possible Causes
What to Do
Where to Go
Printer Does Not
Function.
Printer not plugged in.
Check that printer cables
are properly connected
on both ends. Make sure
the ground wire is
properly connected.
Check that the host or
power supply is getting
power.
7194 Service Guide
7194 Service Guide
Receipt cover not fully
closed.
Close and latch the
receipt cover.
Cables within the
printer are improperly
connected to the PC
board.
Make sure the cables in
the printer are properly
connected to the PC
board.
7194 Service Guide
Printer is not correctly
configured.
Check the printer’s
configuration and
reconfigure if necessary.
7194 Service Guide
Power Voltage too
Low/High.
Check that all cable
connections are correct
and that the power
supply (if present) is
plugged in and the
printer is on-line.
7194 Service Guide
Power supply voltage
is out of range.
Measure the voltage with
an AC voltmeter and
check it against the
power supply label. The
voltage range should be
24V ± 10%.
