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Micro Dot Printing Mode
The Stylus Pro XL printer has a special printing mode, called “Micro Dot Printing Mode.” This
printing mode can be selected by command from computer. Using Micro Dot Printing Mode can
improve the quality of output. In Micro Dot Printing Mode, the ink dot size becomes smaller than
the normal dot size.
COM
GND
BPWC
CPWC
Pc
Tc
Th
Td
VH
Ph
Pd
BPWD
CPWD
Tc: Charge Time
Th: Idle Time
Td: Discharge Time
Pc: Charge Pulse
Ph: Idle Pulse
Pd: Discharge Pulse
Figure 2-24. Trapezoidal Drive Waveform
E05A96 (IC2)
BPWC
BPWD
BLAT
BCLK
BCLKIN
BSO
CPWC
CPWD
CLAT
CCLK
CCLKIN
CSO
13
14
19
18
17
20
15
16
23
22
21
24
COM1-8
COM1-6
SED5620D (U1)
CN11
CN1
68
LAT
69
67
CN12
CN2
CLK
SI
LAT
CLK
SI
68
69
67
DO64-49
DO48-33
DO32-17
DO16-1
DO64-49
DO48-33
DO32-17
DO16-1
C162 MAIN
SED5620D (U2)
17-22
4
2
4
2
6
18-22
4
2
6
4
2
Common Driver
Common Driver
On Carriage (Head Driver Board)
Row A
Row B
Row C
Row D
Not Connected
Row R (Magenta)
Row S (Cyan)
Row T (Yellow)
Figure 2-25. Printhead Drive Circuit Block Diagram
Stylus Pro XL Operating Principles
REV.-A 2-21