HP LaserJet Quick Reference Service Manual Page 89

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LaserJet 4V
The DC power distribution circuitry, located on the DC controller PCA,
distributes +5 V DC, +12 V DC, and +24 V DC, as shown.
+5 V DC
Control Panel
Formatter PCA
Photosensors (PS 401, PS 402)
DC Controller Circuitry
Laser Scanner Assembly
Exhaust Fans, FM1 and FM2 (low speed)
Intake Fan, FM3
+12 V DC
Laser Scanner Assembly
+24 V DC
Laser Scanner Assembly
High Voltage Power Supply
Clutches and Solenoids
Exhaust Fans, FM1 and FM2 (high speed)
EN
LaserJet 4V – 87
3

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