Printhead Stepper Drive - Sharp SX 1075 Service Maintenance Manual

PRINT HEAD STEPPER DRIVE
TM
If your Sharp SX Bagger is equipped with a
printer, there will be an additional Stepper Drive to
control the Print Head. This drive controls the motor
that drops the print head onto the platen roller.
TESTING
1. Check that the Stepper Drive is receiving
power by looking for the RED Status LED
(Figure 3-139).
2. Visually inspect all electrical components
looking for burn marks or deformed casings.
3. Make sure all wires are securely tightened in
their screw terminals.
ADJUSTMENT
There are no adjustments necessary on the Print
Head Stepper Drive.
REPLACEMENT
WARNING
Disconnect electrical power cords from the
SX™ prior to performing any maintenance on
machine. Unexpected machine startup can
cause serious injury or death.
WARNING
This procedure deals with handling parts
susceptible to damage
discharge (ESD). Use static control precautions
while servicing this equipment.
1. Remove the two rear screws and the two front
screws from the Motor Cover (Figure 3-140).
2. Remove the Motor Cover and set aside.
SX™
Service and Maintenance Manual
ELECTRICAL COMPONENTS (1099 & 1108)
from electrostatic
SECTION 3 – COMPONENT REPAIR
Status LED
Screw Terminals
Figure 3-139. Motor Cover Rear Screws
Figure 3-139. Print Head Stepper Drive
Figure 3-140. Motor Cover Screws
3-53 960714-02B © 2007 I2407