8-4 GTECH Technical Training and Support Services
Printer Status
LED is
blinking
(contin.)
Cover Open 1. Close the printer cover securely.
2. Swap the printer.
Jam Detected 1.Open the receipt cover and clear any jammed
paper
. Refer to “Clearing a Paper Jam” on page
8-10.
2. Swap the printer.
Missed Top of Form
(T
OF)
1. Clean top-of-form sensor with 91% isopropyl
alcohol and cotton swabs.
2. Swap the printer.
Invalid Command 1. Turn the printer off, wait
60 seconds, then turn
it on again.
2. Swap the printer.
Printer Head Over
Te
mperature
1. Ensure that the printer is being operated in the
proper room temperature (not too hot or too
cold).
2. If necessary, move the printer to a warmer/
cooler location.
3. Swap the printer.
Power Problem 1. Turn the printer off, wait
60 seconds, then turn
it on again.
2. Swap the printer.
Hard Errors:
Hard errors have a similar pattern to Soft
errors only they are slower and
repeat every 10 seconds.
In general they occur during level 0 diagno
stics and are not recoverable. In
all cases of Hard Errors, swap the printer.
Problem Action
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