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980264-001 Rev. B 3-13
CHAPTER 3
U15
QA
QH
CK
SH-LD/
U14
QA
QH
CK
SH-LD/
U12
QA
QH
CK
SH-LD/
U13
QA
QH
CK
SH-LD/
Q
Q
D
CLR
CK
Q
Q
D
CLR
CK
Q1
Q4
Q5
Q14
CLK
CLR
CTN
GND
DATA4
DATA2
STROBE
STROBE
HEADCLK/
LATCH*
RESET/
GND
R672
R1
65
4
3
2
1
0
RESET/
RESET
RESET/
STROBE (TOUT1)
CS HEAD/ (CS3/)
CLK TETE
CLK TETE
DATA0~31
DATA 4
DATA 2
STROBE
HEADCLK/
LATCH (Motor Control)
LATCH*
J3
J4
36k
100nf
D0~7
D8~15
D16~23
D24~31
U9b
U9a
14.3 MHz
U11
PRINT HEAD ASSEMBLY
Thermistor
CTN (Status)
24V Tete (Motor Control)
Strobe
Delay
Figure 3-3. Print Head Circuitry.