HP 9020 User Manual

PRINTHEAD ASSEMBLY
r-----------------------------------------------,~ JPH
MOTOR DRIVE BOARD
VBGHIGHORLOW I POWER
SUPPLY
I CONTROL
+19
P~~~R ll- .... _I....;",.JP_~_I PRINTHEAD CHIP
SUPPLY
J I I INTERCONNECT MODULES
BOARD
+ 12-...J + 12V l JPH
lOP BUS I P"'i ------.J-i
J3 lOP
33 INTERFACE
I CONTROL MONITOR
~V~B::;:G..:o~rV..:.:H~H-IG-H-O-R-L-O-W_+----__;/JI SHUTDOWN JI-+---";'-~
t-J4-----1.J51 -0--r--------L----I--f -----, I I
-12 BACKGATE II-+--..:.J:..:..PH--I
SUPPLY I
POWER BUS
~
LOGIC BOARD
MICROPROCESSOR,
RAM,ROM
MONITOR
AND
LOGIC CIRCUITS
J U
I
,.---
~I PRINTHEAD RESISTOR
~....:::J4~--..::J.:::..51:....----_+_t-C-0-N-TR-0-L-M-0-N-IT-0-R"'1~ MEASURING CIRCUIT
J1 J4
-
!
DOT
SHIFTER
J2
J4
t---
--
BURN,CtEAR,HDOUT 3~--------------~~
L- _____________ -_19~~ISHurif6WNI
r L
JM
~)------M~O=-T--O:..:..R--C--O-N-TR-O-L--~ .... i ~~ I 't,'I,ii't r I I
--------J21L- ________ I __ DA_T_A~,_SH_I_FT _ __1 2~-------~·i::::::::::::::::::::::~-----~
IJ51 J PAPER I
L- ____ ~P~A~PE~R~ _____ ~ ____ _1 SENSE ~-----~J~S---_+i
I CIRCUIT J
I
PAPER
SENSOR
BOARD
L- ___ A __ D_V_S_W __ ,_TO_F_S_W ___ ~2~-----------------------~
SWITCHES
ASSEMBLY
SUPPLY
PRINTHEAD
MOTOR

HP 9020 Specifications

General

Brand	HP
Model	9020
Category	Desktop
Language	English