Epson Stylus Pro XL, Руководство по обслуживанию

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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.
C O M
G N D
B P W C
C P WC
P c
T c
T h
T d
V H
P h
P d
B P W D
C P WD
Tc : Charge Tim e
Th: I dle Tim e
Td: D isc harge Tim e
Pc : C harge Puls e
Ph: Idle Puls e
Pd: Disc har ge Puls e
Figure 2-24. Trapezoidal Drive Waveform
E 05 A9 6 (IC2 )
BPWC
BPWD
BLAT
BCLK
BCLKIN
BSO
CPWC
CPWD
CLAT
CCLK
CCLKIN
CSO
1 3
1 4
1 9
1 8
1 7
2 0
1 5
1 6
2 3
2 2
2 1
2 4
C O M 1 - 8
C O M 1 -6
SE D5 6 2 0D (U1)
CN1
1
CN1
6 8
L A T
6 9
6 7
CN1
2
CN2
C L K
S I
L A T
C L K
S I
6 8
6 9
6 7
D O6 4 -4 9
D O4 8 -3 3
DO 32- 17
D O 1 6 - 1
D O6 4 -4 9
D O4 8 -3 3
DO 32- 17
DO 1 6 -1
C162 MAIN
SED 5 6 2 0 D (U 2 )
17- 22
4
2
4
2
6
1 8-2 2
4
2
6
4
2
Common Driv er
C ommon D riv er
On Carriage (Head Driver Board)
Row A
Row B
Row C
R ow D
N ot C onne ct ed
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