3-2
Chapter 3: Troubleshooting
PC Board.
Two-Tone Beep
(high frequency, low
frequency)
Continuous flashing
of LED.
Main Program CRC Test
Failure.
DIP Switch is in On
Position indicating Flash
Download Mode.
Run Startup Diagnostics
again. If this does not
work, replace the Control
PC Board.
Put DIP Switch in Off
position for normal
operation.
7194 Service Guide
7194 Service Guide
Printing Problems
Problem
Possible Causes
What to Do
Where to Go
Colored stripe on
the receipt.
Paper is low.
Change the paper.
7194 Owner’s Guide
Receipt does not
come out all the
way.
Paper is jammed.
Open the receipt cover,
inspect the knife, and clear
any jammed paper.
Printer starts to
print, but stops
while the receipt is
being printed.
Paper is jammed.
Open the receipt cover,
inspect the knife, and clear
any jammed paper.
Receipt is not cut.
Paper is jammed.
The printer is not
configured for a knife.
The Knife Home Sensor
may be defective.
Knife Home Sensor not
plugged in.
Open the receipt cover,
inspect the knife, and clear
any jammed paper.
Enable the knife option by
reconfiguring the printer.
Check Knife Home Sensor
with an ohmmeter at its
harness and test point, and
replace it if defective.
Check connections to the
PC Board.
7194 Service Guide
7194 Service Guide
7194 Service Guide
7194 Service Guide
