7197 Owner’s Guide Chapter 4: Diagnostics
November 2002
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Level 2 Diagnostics
Level 2 diagnostics run during normal printer operation. When the following conditions
occur, the printer automatically turns off the appropriate motor, disables printing to
prevent damage, and turns on the green LED (flashes the green LED if the receipt print
head is too hot or the voltages are out of range):
• Paper out
• Cover open
• Knife unable to go back to home position
• Print head too hot
• Power supply voltage out of range
See “Chapter 3: Solving Problems” for more information about other conditions that may
occur and how to correct them.
Status LED Behaviour
Power Off Off
Firmware Download Very Fast Blink
Level 0 Diagnostics No Blink
Receipt Paper Low Slow Blink
Temperature Error No Blink
Voltage Error No Blink
Cover Open Fast Blink
Receipt Paper Out Fast Blink
Knife Jam Fast Blink, then Slow Blink
All other states On
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