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Wiring Diagram (HP LaserJet 4000 T/4000TN)
Printer controller PCA
Fuser paper delivery sensor 1
Control Panel
Duplexing unit driver PCA
Duplexing unit
PS 106
Fuser
paper delivery
sensor 2
Fuser
Toner cartridge
Laser/scanner unit
Scanning
motor
BD PCA
Laser driver
Envelope feeder
Envelope feeder
driver PCA
Video controller
Paper feeder driver PCA
Paper size detection PCA
M101
Main motor
Paper feeder
Paper feeder
paper size
switches
Envelope sensor
SL 901
Envelope
pickup solenoid
A
B
C
123456
D
Duplex feed motor
M702
Reversing motor
M701
Duplex pickup
paper sensor
PS701
Duplexing unit
solenoid
SL701
J702
J701
J706
J703
J705
FM701
J719
J718
J707
J704
J714
J715
J716
J717
J713
PS703
PS702
Reversedpaper
sensor
Rear OutputBin
sensor
J137
J133
TH901
J134
FU901
FG
TB13
J135
J132
J401
J551
J501
J53
J55F
J61M
TB63TB62TB61TB64
TR
J131
NEUTRAL
HOT
FG
TB10
TB11
TB12
Test printswitch
SW501
J712
J103
J711
J102
J71
J31
PS501
Duplexingunit
exhaustfan
Tray 1
paper sensor
PS105
Coolingfan
FM101
J114
J154
J58
LINE
INPUT
FG
J101
J1
NEUTRAL
HOT
J72 J52 J50
J51
J301
J75
J60
J56
J113
J125 J126
PS104
SL102
CL101
J127
J128
Top OutputBin paperfull sensor
Tray 1
pickupsolenoid
Feed rollerclutch
J106
J107
J911
J912
J901
PS901
J301
J200
J201
J603
J601
J104
J811
J801
SW600
SW601
SW602
SW603
SW604
SW605
Upper tray
paper size
switches
Lowertray
paper size
switches
J602
J604
J606 J605
J105 J812
J803 J802
SW801
SW802
SW803
J202
J57
J57
J111
J112
PS102
PS103
J129F
SW101
J73
Pre-feed
sensor
Top of
page
sensor
Door
open
detection
switch
J813
TB101
TB102
TB902
TB901
J902
PS801 SL801
Paperfeeder
paper sensor
Paperfeeder
pickupsolenoid
J110
J115
PS101 SL103 SL101 PS107
Upper tray
paper sensor
Lowertray
pickupsolenoid
Lowertray
paper sensor
Upper tray
pickupsolenoid
J903
J913
PS902
Envelope mulitplefeedsensor