HP laserjet 3390, 3392 all-in-one Manuale Di Servizio
Circuit diagram
Formatter PCA
P14
P13
P15
J10
J5
J6 USB
J7
J11
J8
J4
J2
J1
P2
Scanner sub-assembly (SSA)
Flatbed
motor
motor
1 2 3 4 5
AC inverter
PCA
CCFL bulb
Scanner PCB
CCD sensor
(soldered to PCB)
J1
J2
FFC
cable
Front panel
7
8
9
10
11
4
5
6
1
2
3
ADF
ADF motor
Paper
sensors
1 2 3 4 5
ADF co
v
er
ADF detect
ADF paper 1
ADF paper 2
LIU
DIMM
LAN
CCD scanner assembly
Laser/scanner
motor
motor
LCD and Key switch/LED PCA
P2
FFC
to
ECU
Figure 7-10
Circuit diagram (1 of 2)
276
Chapter 7 Parts
ENWW