Operating instructions

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4.4 Reset
4.4.1 Reset during a Printing Task
The printer, when operating on battery power, may reset (POWER lamp goes off)
while it is printing dense patterns or images. This is because the battery voltage
drops below 5.6 V due to dense pattern, tripping the battery protection circuit. This
phenomenon is more likely to occur after the battery voltage starts dropping. If the
printer resets too frequently despite this action, recharge the battery pack.
4.4.2 Voltage Drop
Battery voltage drop increases with the number of simultaneously active dots,
which makes the printer more likely reset. This phenomenon is likely to occur in
battery-powered operation.
Increased print density may be another cause of frequent reset because it extends
strobe length although the number of active dots is not affected. (default print
density is at standard level). In particular, reset can occur when printing under low
temperature conditions.