Service Level Troubleshooting 3-91
Runtime (Level 2) Diagnostics
Runtime diagnostics occur during normal printer operation. When the following
conditions occur, the printer automatically turns off the appropriate motors and disables
printing to prevent damage:
• Paper out
• Cover open
• Knife unable to home
• Print head too hot
• Power supply voltage out of range
The Printer Status (Green) LED signals when these conditions occur and indicates the
state or mode of the printer.
The Printer Status LED has 3 colors: green, amber, and red.
LED indication for Printer Status LED is shown as below.
Printer Status LED Error Blink Pattern
Basic policy of blinking pattern for errors at Printer Status LED in Auto Mode is as
follows:
1. Red color is used for an unrecoverable error.
2. Amber color is used for a recoverable error.
3. Blink cycle is 2Hz.
4. Number of blink depends on the block where an error occurs.
• PCB 1 Blink
• Thermal Head 2 Blink
• Cover 3 Blink
• Paper block 4 Blink
• Print block 5 Blink
• Cutter block 6 Blink
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