Xerox 7300B - Phaser Color Laser Printer Service Manual page 263

Engine Controller Board Connectors (cont'd.)
Name
ID
FAN1
RCL
REG
RSENS
JODEN
PARTTEMP
FSENS
TR1OP
GEARED
FEED
FRPUCL
HOPLIFT
FCOVER
DUPLEX
PSIZE
HVOLT
COVOPN
POWER
STDUCOV
Engine Controller Board Fuses
Fuse Supplies
F1 +34 Volts to the Optional Trays (LTD/LTA)
F2 +34 Volts to the Magenta Imaging Unit
F3 +34 Volts to the Yellow Imaging Unit and Fuser Motor
F4 +34 Volts to the Black Imaging Unit and Registration Motor
F5 +34 Volts to the Cyan Imaging Unit and Transfer Unit Motor
F6 +5 Volts for Engine Controller Board functions
F7 +34 volts to the:
■
Electrical Card Cage Fan
■ Front LVPS Fan
■
Rear LVPS Fan
■
Rear Fuser Fan
■
Top Fuser Fan
F8 +34 volts to the Top Cover Interlock Switch
Theory of Operation
Connected to...
Imaging Unit Motors
Card cage fan
Registration clutch
MPT paper, OHP, liftplate, temp/humidity and thickness
sensors
ADC sensor, left and right registration sensor
Imaging unit sensor board
Fuser exit sensor
Entrance sensor board
Tray 1 empty sensor, tray 1 near empty sensor, optional
lower tray controller board.
Tray 1 lift motor
Tray 1 paper feed sensor
Tray 1 paper feed clutch, tray 1 pickup clutch
Tray 1 lift sensor, tray 1 paper sensor
No longer used
Duplex unit
Paper size sensor board
High voltage power supply
Top cover interlock switch
Low voltage power supply board CN1
Right Door A interlock and side output tray switches
8-247