122 Theory of operation ENWW
Low-voltage power supply circuit
This circuit converts AC voltage from the power supply receptacle to DC power and supply each
load.
Figure 5-13 Low-voltage power supply circuit
When the power switch (SW3001) is turned on, the AC power is supplied to the low-voltage power
supply circuit, where it is converted to +24 V, +5 V, and +3.3 V DC power required inside the
printer.
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