7-46 170 Series Monitor Revision C
2000947-004
Serviceable Assemblies: Servicing the Recorder
Replacing the Recorder Motor Assembly
Equipment Required
Phillips screwdriver
Motor assembly (part no. 15136A)
Procedure
1. Remove the AC line cord from the monitor to completely remove power.
2. Follow the instructions for “Removing the Monitor Top Cover” on page 7-19.
3. Follow the instructions for “Replacing the Main Board” on page 7-35.
4. Remove the two screws holding the motor mount in place.
5. Remove the two screws holding the motor assembly on the motor mount.
Retain the motor mount and all screws.
6. Install the new motor on the motor mount and tighten both screws.
7. Position the new motor in place, aligning the motor gear with the roller gear.
Push the motor assembly slightly forward against the roller gear. There should
be a slight clearance between the teeth. Check clearance by rotating the print
roller back and forth. (There should be a slight rotation.)
8. Secure the motor mount to the main board mounting plate. Tighten both
screws.
9. Replace and align the printhead by following the instructions on page 7-41 and
page 7-43.
10. Replace the main board and secure all eight mounting screws.
11. Re-connect all cables.
12. Replace the monitor top cover.
Cleaning the Printhead
The thermal printhead heater elements must be cleaned at regular intervals to
remove any accumulated paper dust. The heater elements may be cleaned with
methanol or isopropyl alcohol. Care must be taken to avoid touching the heater
elements with bare hands.
CAUTION
AIR DRY—Allow to air dry completely prior to using the
monitor.
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