Instruction manual

78
Chapter 3 Troubleshooting Procedures
6. Check continuity of the shuttle motor drive cable assembly.
Replace shuttle motor drive cable assembly if it fails continuity test.
7. Power up the printer. Run a Shuttle Slow or Shuttle Fast test.
If the shuttle does not move, replace the shuttle frame assembly.
8. Power up the printer. Run a Shuttle Slow or Shuttle Fast test.
If the shuttle does not move, replace the power supply board.
9. Power up the printer. Run a Shuttle Slow or Shuttle Fast test.
If the shuttle does not move, replace the CMX controller board.
SHUTL INV CMD* Message
1. Shuttle Invalid Command. Firmware error on the CMX controller board.
Cycle power. Run the print job again. If the message appears,
download the emulation software again (page 130).
2. Cycle power. Run the print job again.
If the message appears, replace the CMX controller board. Record
the message and return it with defective CMX board.
SHUTL INV PARM* Message
1. Shuttle Invalid Parameter. Firmware error on the CMX controller board.
Cycle power. Run the print job again. If the message appears,
download the emulation software again (page 130).
2. Cycle power. Run the print job again.
If the message appears, replace the CMX controller board. Record
the message and return it with defective CMX board.
Shuttle is noisy
1. Check the bolts securing the mechanism base to the base pan.
Tighten the mechanism base mounting bolts if they are loose enough
to permit movement of the mechanism base.
2. Remove the shuttle cover. Check the shuttle frame assembly mounting/
clamp screws for looseness.
Torque the 5/32 inch socket head clamp screws to 20
± 2 inch-
pounds (2.26
± 0.23 N•m). Torque the center captive 5/32 inch
socket head screw to 20
± 2 inch-pounds (2.26 ± 0.23 N•m).
3. Inspect the shuttle area for loose hardware.
Tighten loose hardware.
4. Check that the hammer bank cover assembly is correctly installed, that it
has not slipped off the mounting pegs. Check that the ribbon mask has
not partially separated from the hammer bank cover. Check for debris
trapped between the ribbon mask, hammer bank cover, and hammer
bank.