Service and Maintenance Manual 3-92 960714-02B © 2007 I2407
SECTION 3 – COMPONENT REPAIR
PRINTHEAD CRADLE ASSEMBLY
SECTION 3 – COMPONENT REPAIR
PRINTHEAD CRADLE ASSEMBLY
PRINTHEAD POSITION MOTOR (con’t)
4. Remove the pulley and four standoffs from the
old motor, and reinstall on the new motor.
5. Place the new motor into the machine, being
sure to orientate the cable receptacle to the
top-rear of the machine. Also be sure the belt
is over the pulley.
6. Reinstall the screws into the motor standoffs
through the slots in the outside cradle plate.
Before tightening into position, be sure to set
the belt tension to a satisfactory level. The
center of belt span should displace about 1/16
th
of an inch when pressed with one finger
perpendicular to the belt travel (Refer to
Machine Adjustments: Checking Belt
Tension for a more detailed explanation).
7. Reinstall the motor cable.
8. Replace all guards removed in the previous
steps.
PRINTHEAD POSITION DRIVE BELT
This belt drives the printhead cam transfer shaft,
which controls the up-and-down motion of the
printhead.
1. Ensure the printhead position drive belt has the
proper tension. Refer to Machine
Adjustments: Checking Belt Tension section
to determine the correct tension.
2. Perform a visual inspection of the belt. If it is
showing signs of wear, such as cracking or
fraying, it needs to be replaced.
Refer to the Machine Adjustments: Checking
Belt Tension section.
Figure 3-227. Printhead Position Motor Orientation
Receptacle
Always remove electrical power from the
SX
prior to performing any maintenance
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