J305 Memory tag
Right-door open detection sensor (SR8)
J306 Rear fan (FM1)
J307 Interlock switch (SW1; 24v fuser door interlock)
J308 Interlock switch (SW2; 24v print cartridge door interlock)
J309 Cartridge-present sensor (SR9)
Duplex solenoid (SL2)
Front fan (FM2)
Scanner motor (M5)
J310 Delivery sensor (SR7)
Delivery-bin output-full sensor (SR1)
J311 Duplexer assembly
J312 HCI (optional accessory)
Upper cassette (Tray 2) paper-length detection switch (SW6)
Lower cassette (Tray 3) paper-length detection switch (SW7)
J313 Tray 1 paper sensor (multipurpose tray) (SR3)
J314 Upper cassette (Tray 2) paper sensor (SR2)
J315 Main motor (M1)
J316 Tray 1 pickup solenoid (SL1)
J317 Lower cassette (Tray 3) paper sensor (SR12)
J318 High-voltage power supply
J319 High-voltage power supply
J320 Feed-door open sensor (SR13)
Pre-feed sensor (SR14)
J321 Laser/scanner PCA
J322 Empty
J323 Empty
J324 Upper cassette (Tray 2) paper-width detection switch (SW4)
Lower cassette (Tray 3) paper-width detection switch (SW5)
Upper lifter-drive (Tray 2) position sensor (SR10)
Lower lifter-drive (Tray 3) position sensor (SR11)
Upper lifter (Tray 2) motor (M3)
Lower lifter (Tray 3) motor (M4)
540 Chapter 6 Troubleshooting ENWW
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