Citizen Systems CT-S280 - Manual (Page 24)

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4.6 Error Indication
● Paper end
Paper empty is detected in two steps: paper near-end and paper end. It causes
the ERROR LED to light. If paper end is detected, refill the paper. If the paper
cover is open, a paper-end is detected.
● Paper cover open
When the paper cover is opened, Paper cover open is detected and the ERROR
LED goes on.
During printing, do not open the paper cover. If you open the paper cover
accidentally, the ERROR LED blinks. Confirm the paper and close the cover.
Printing resumes automatically.
● Thermal head overheat
When you print dense characters or dark image, the head temperature rises.
If the head temperature exceeds a specified level, the printer stops printing
operation and waits till the head temperature is lowered. During waiting, the
ERROR LED blinks. When the head temperature is lowered, printing resumes
automatically.
The status of LED, lighting or blinking, including other errors is shown below.
Status POWER LED ERROR LED
Paper-end Lights Lights
Paper near-end Lights Lights
Cover open error *1 Lights
Cover open error Lights Lights
Head overheat error Lights
Memory check error Lights
Low voltage error Lights
High voltage error Lights
Macro execution Lights
wait *2
*1: When the printer is printing.
*2: The ERROR LED may blink even in the execution of macro function.