Sharp SX 1075 Service Maintenance Manual page 97

RIBBON REWIND MOTOR (con't)
3. If the motor is not turning, unplug the motor
cable and check for continuity. Using a Digital
Volt/Ohm Meter (DVOM) set to test for
continuity, probe between pins 1 & 2, 1 & 3,
and 2 & 3. Repeat continuity check between
pins 4 & 5, 4 & 6, and 5 & 6. If the motor
passes all continuity checks, the motor is
functioning properly.
1
2
3
4
5
6
Figure 3-192. Ribbon Rewind Motor Pin ID
4. Remove the outer frame guard.
Outside
Frame
Guard
Figure 3-193. Guard Identification
SX™
Service and Maintenance Manual
PRINTHEAD CRADLE ASSEMBLY
3-77
SECTION 3 – COMPONENT REPAIR
5. Locate the printer power supply board in the
lower rear corner of the electrical area. Unplug
the motor cable plugged into "J6". Using the
DVOM, check continuity between pins 1 and 2,
1 and 3, and 2 and 3 on the cable. Also check
continuity between pins 4 and 5, 4 and 6, and 5
and 6. Since the pins may be smaller than the
probes on the DVOM, wire leads may need to
be inserted into the plug for testing.
motor has continuity and the cable does not,
the cable needs replacement. If both the motor
and cable are continuous, troubleshoot the
printer power supply board (page 3-46). If no
component replacement or further testing is to
be done, reinstall the outside cradle cover and
outside frame guard.
Ribbon Rewind
Motor Connector
(Labeled 'J6')
Figure 3-194. Ribbon Rewind Cable Connector
ADJUSTMENT
The ribbon rewind motor is adjustment free.
If the
960714-02B © 2007 I2407