HP LaserJet PRO M521 Repair Manua page 18

Item
J2104
J2105
J2200
J2201
J2301
8 Chapter 1 Removal and replacement
Description Item
Subfan (FM2) J2306
Rear door sensor
(PS8001)
Scanner motor
(M3)
Power switch J2307
(SW240)
HVPS J2308
Paper feeder J2310
connector
CST paper out J2311
sensor (PS3)
Description Item
Interlock-switch J2701
(SW260)
Tray detection J2702
switch (SW235)
Main fan (FM1) J2703
CST pickup J2704
solenoid (SL2)
MPT pickup
solenoid (SL1)
Description
LVPS
LVPS
Cartridge door switch
(SW501)
Cartridge door switch
(SW501)
ENWW