HP LaserJet 4200 - Page 376

356 Troubleshooting Q2431-90912
DC controller block diagram
Figure 233. DC controller connectors diagram
P
aper
f
ee
d
c
l
u
t
c
h
(3-pin; J89)
M
emory c
hi
p sensor
(2-pin; J97)
(from the print cartridge)
P
aper
h
an
dli
ng
power connector
(8-pin; J96)
O
u
t
pu
t
bi
n
full sensor
(3-pin; J83)
C
on
t
ro
l
P
ane
l
(8-pin; J77)
Scanner PCA
(12-pin; J83)
Engine test button
(SW830)
Power supply
ribbon cables
(J80 & J81)
Tray 2 lifter motor
(2-pin; J93)
Tray 2 media-size sensor
Tray 2 paper sensor
(10-pin; J90)
Tray 2 pickup solenoid
(2-pin; J92)
Main motor
(9-pin; J98)
EP motor
LJ 4300 only
(7-pin; J86)
Power supply
(6-pin; J99)
Envelope feeder
(6-pin; J88)
Accessory tray
power connector
(7-pin; J91)
Right-side fan
LJ 4300 only
(3-pin; J78)
Tray 1 paper sensor
Narrow media sensor
Top of page sensor
Paper feed sensor
(12-pin; J87)
Tray 1 pickup solenoid
(2-pin; J79)
Top cover sensor
(3-pin; J95)
L
aser
/S
canner
PCA
(7-pin; J84)
DC controller top