
Functional Overview
10-6
HP DesignJets 500, 510 and 800 Series Printers Service Manual
Power Supply Unit (PSU)
The PSU is used to supply the power required by the printer in any
condition and has the following features:
130W maximum continuous average power (171 W at peak) with
power factor correction.
4 outputs with voltages of +5.0V, +3.3V, +12V and +32V.
Operates with convection cooling when +32V output is at
minimum load but the Power Supply is cooled by forced air
provided by a fan in the Power Supply enclosure when the +32V
output is loaded.
The Power Supply is connected directly to the Power Switch and
a green LED located at the front of the Printer on the bottom left
hand side.
The Power Supply operates over a voltage range as described in the
following table:
Rated Voltage 100-240 VAC
Normal Operating Range 88 - 264 VAC
Functional Operating Range 80 264 VAC
Rated Frequency 50/60 Hz
Frequency Test Limits 47 -63 Hz
Power Supply
Power Switch Housing
Power Switch
Connector to Main PCA
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