Seiko Instruments DPU-S445 - Manual (Page 19)

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Lamp Display
Lamp display POWER lamp
(Green)
ERROR lamp
(Orange)
Power OFF Off Off
Power ON (Print-ready) On Off
Initializing On On
Out-of-paper On Blink
Paper cover open On Blink twice
Battery low, power failure Blink On
Thermal head temperature error Blink twice On
Recharging Blink Off
Function setting mode Off On
Function setting mode shifting Blink Blink
NV memory loading Short blink Short blink
Hardware error Off Blink
Display Pattern ○: On, ─: Off
Items Pattern
Blink ─ ○ ─ ○ ─ ○ ─ ........
Short blink ○ ─○─○─○─○─○─○─○─○─○........
Blink twice ○ ─○ ─ ○─○ ─ ○─○ ─ .......