HP M5025 - LaserJet MFP B/W Laser - How to use the parts lists and diagrams; Types of screws

J308 1 +24V
2 +24VR
J309 1 +24V
2 /SMACC O L SCANNER MOTOR ACCELERATION signal
3 /SMDEC O L SCANNER MOTOR DECELERATION signal
4 GND
5 FAN2DR O H FRONT FAN DRIVE signal
6 FAN2LK I H FRONT FAN LOCK signal
7 GND
8 +24V
9 DELSL O H DELIVERY PAPER signal
10 SNS3.3
11 GND
12 /MFP_CRGS I L CARTRIDGE DETECTION signal
J310 1 SNS3.3
2 GND
3 FULLS I H DELIVERY TRAY PAPER FULL signal
4 SNS3.3
5 GND
6 FDOUTSNS I H FACE-DOWN DELIVERY PAPER signal
J311 1 /DPX_TMG O L DUPLEXING UNIT TIMING signal
2 DPX STS I H DUPLEXING UNIT STATUS signal
3 DPX CMD O H DUPLEXING UNIT COMMAND signal
4 DPX SCK O H DUPLEXING UNIT CLOCK signal
5 GND
6 +24V
7 +24V
J312 1 /UCST SIZE3 I L UPPER CASSETTE PAPER LENGTH DETECTION signal
2 GND
3 /UCST SIZE4 I L UPPER CASSETTE PAPER LENGTH DETECTION signal
4 /LCST SIZE3 I L LOWER CASSETTE PAPER LENGTH DETECTION signal
5 GND
6 /LCST SIZE4 I L LOWER CASSETTE PAPER LENGTH DETECTION signal
7 IOP SCK O H PAPER DECK CLOCK signal
8 IOP CMD O H PAPER DECK COMMAND signal
9 IOP STS I H PAPER DECK STATUS signal
10 GND
11 GND
12 +24V
13 +24V
J313 1 SNS3.3
2 GND
3 /MPTS I L MPT PAPER DETECTION signal
J314 1 SNS3.3
2 GND
3 UCSTS I H UPPER CASSETTE PAPER DETECTION signal
J315 1 PGND
2 /MMACC O L MAIN MOTOR ACCELERATION signal
Connector Pin Abbreviation I/O Logic Signal name
Figure 6-20 DC controller input/output signals (2 of 5) (engine)
542 Chapter 6 Troubleshooting ENWW