Epson FX Series

PRINCIPLES
OF
OPERATION
Speed
Comparison
When
the
PTSSignal is
detected
later
than
the
set
time,
phase
selection
is
made
at
the
leading
edge
of
the
PTS
signal.
PTS
n.
n
Solenoid
drive
pulse
A
phase
B
phase
C
phase
0
phase
1
1
1
t
1
t
Sat
time
Fig. 1-12. Carriage
Speed
(Too Slow)
1-8
EPSON
PRINTERS
When
the
PTSSignal is
detected
earlier
the
the
set
time,
the
phase
selection
is
made
at
the
leading
edge
of
the
PTS
signal.
PTS
Solenoid
drive
pulse
A
phase
B
phase
C
phase
0
phase
n
I
t .
Set
time
Fig. 1-13.
Carriage
Speed
(Too
Fast)
nmr-
ROTOR
•imy
-O
CRA
-O
CRB
-O
CMAS/CMCD
-OCRD
-OCRC
Fig. 1-14.
Carriage
Motor
Connections