Epson DFX-9000 Field Repair Guide
3/29/07
Motors, Sensors, and Switches
Printer Component,
Software Item,
LCD Display,
Printer Button
Page 154.
Motors, Sensors and Switches
Motors
SP Motor
Traditionally called the
Carriage Drive Motor
, SP stands for “Space”. The
SP Motor
moves the
Print Head
and
Car-
rier Unit
(
Carriage Assembly
) across the
Carrier Shaft
(
Carriage Guide Shaft
). The
SP Motor
is a brushless DC
Motor driven by the 42 vdc Power Supply. There is an
Interlock Switch
and an
8 amp fuse
between the 42 vdc
Power Supply and the
SP Motor
driver circuit.
SP Motor
control logic (travel direction and distance) utilizes a
Car-
riage Encoder Scale
,
Carriage Encoder Sensor
, and the
Main Logic Board
.
Carrier Shaft
CES Scale
Shield Plate
Carrier Unit
Guide Stay
SP Belt
SP Motor