Printronix P7000 Series Maintenance Manual page 207

Symptom
Shuttle does not move
Table 6. General Symptom List
Shuttle
1. Power down the printer. Remove the shuttle cover. Check
the MPU gap. Adjust the gap between the MPU assembly
and the flywheel to 0.010 ± 0.001 inch (0.254 ± 0.025 mm).
Torque the 7/16 inch MPU clamp screw to 18 inch-pounds
(2.03 N•m).
2. Check that the MPU cable is connected to J03 on the
mechanism base. Check that the shuttle motor cable is
connected to J02 on the mechanism base. Connect the
MPU and the shuttle motor cables.
3. Remove the paper path or pedestal top cover. Check that
the shuttle motor drive cable is connected to J116 on the
controller board.
4. Check the platen gap. Adjust the platen gap.
5. Inspect the ribbon mask for bends or deformation that
snag and interfere with shuttle movement. Make sure the
hammer bank cover assembly is correctly installed on its
mounting pegs. Reinstall the hammer bank cover
assembly. Replace a damaged or deformed hammer bank
cover assembly.
6. Check continuity of the shuttle motor drive cable
assembly. Replace shuttle motor drive cable assembly if it
fails continuity test.
7. Power on the printer. Run a Shuttle Slow or Shuttle Fast
test. If the shuttle does not move, replace the shuttle frame
assembly.
8. Power on the printer. Run a Shuttle Slow or Shuttle Fast
test. If the shuttle does not move, replace the power
supply board.
9. Power on the printer. Run a Shuttle Slow or Shuttle Fast
test. If the shuttle does not move, replace the controller
board.
General Symptom List
Solution
207