HP 3150 manual ECU/power system, ECU loads

ECU/power system

The ECU coordinates all print engine activities, drives the laser, and coordinates print data from the formatter with the image formation process. The ECU also includes power supply and distribution circuitry. The ECU controls the following systems and functions:

●print engine control

•laser/scanner drive

•paper motion photosensors (paper out, paper registration, and paper exit sensors)

•motor

●power system

•AC power distribution

•DC power distribution

•overcurrent/undervoltage protection

•high-voltage power distribution

The following figure shows the various ECU loads:

Formatter

Figure 9. ECU loads

68 Functional overview EN