Gtech Accutherm, Service Manual, Page: 81 / 132

Troubleshooting
Service Manual for the Accutherm Ultra Printer 8-7
Printer Status
LED is blinking
(contin.)
Missed Top of Form 1. Clean all sensors with 91% isopropyl alcohol
and cotton swabs.
2. Replace the Main Controller PCB Assembly.
Jam Detected 1.Open the receipt cover and clear any jammed
paper. Refer to “Clearing a Paper Jam” on page
8-10.
2. Clean all sensors with 91% isopropyl alcohol
and cotton swabs.
3. Replace the Main Controller PCB Assembly.
Invalid Command 1. Turn the printer off and then on again.
2. Reload firmware.
Printer Head Over
Temperature 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. Replace the Main Controller PCB Assembly.
Power Problem 1. Check that the terminal has power.
2. Check that printer cables are properly
connected on both ends.
3. Ensure the latch and receipt cover is closed.
4. Verify the printer configuration and re-
configure if necessary.
5. Ensure that the printer is being operated in the
proper room temperature (not too hot or too
cold). If necessary, move the printer to a warmer/
cooler location.
6. Swap the Power Supply. Refer to “Remove the
Power Supply from the Base Assembly” on page
7-7.
7. 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 diagnostics and are not recoverable. Refer to “Hard
Errors” on page 5-5 for specific error information.
In all cases of Hard Errors, replace the printer mechanism. See “Remove the Printer Mechanism
Assembly from the Base Assembly” on page 7-8.
Problem Action