Text preview for : 10_wiring-fold.pdf part of Xerox Phaser 740 wanted service manual



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Wiring Diagram
Laser driver
CN 1 CN 2

Front panel
CN 1 CN 501 CN 502

Interconnect board
J490
SCSI

Laser scanner
CN 4 CN 29 CN 8 CN 7 CN 11 CN 14 CN 2 CN 1
Toner cartridge sub bias board

J711 J712

Image processor

Parallel Network card

J900 J530

High voltage power supply board CN 701

FTR DEV STR CHG PTC GRID

Orange Yellow Black Red White Blue

Power supply fan
CN 301

CN 30

Toner cartridge level sensor (Receiver) and roller clutch board
CN 6 CN 619

CN 620 CN 621 CN622 CN623

B Y M C

CN 1

Door-open switch Power switch

Power supply
CN 201 CN 204 CN 25

Engine control board

Pre-exposure lamp
CN 12 CN 630

CN 10

Charger unit connector Imaging unit

Fuser Front door right door closed sensors
CN 2

CN 13

CN 632

Accumulator belt position sensor
CN 9

Ozone fan Toner cartridge level (transmitter) sensor Pre-transfer lamp
CN 607

Temperture/ humidity sensors

CN 27

CN 5

CN 23

Left door closed sensor
Fuser fan Paper-feed motor Developer cartridge drive motor Main motor Cleaning board
CN 618

CN 3 CN 20 CN 24 CN 604

Paper feeder
CN 606 CN 605

Aligning sensor Multi-purpose tray empty sensor Multi-purpose tray motor Registration clutch

CN 22

CN 617 CN 26 CN 611 CN 15 CN 21 CN 18 CN 17

Exit tray full sensor
CN 614 CN 612 CN 613 CN 610 Fuser exit sensor

Exit roller sensor board

Switchback solenoid Face switching solenoid

CN 19

CN 3 CN 615 Toner

3102-29

Paper tray switches

Optional lower tray assembly

Auto duplex unit

cartridge movement sensor Toner cartridge selector/eject CN 616 Cam motor board unit

Wiring diagram
Service Guide

113

114

Phaser 740 Color Printer