Instruction manual

The Procedures
75
RIB INVLD CMD* Message
1. Ribbon 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.
RIB INVLD STATE* Message
1. Ribbon Invalid State. 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.
RIBBON DRIVE Message
1. The CMX controller board does not detect a ribbon drive motor.
Cycle power. If the message appears, power off the printer. Remove
the paper path or pedestal top cover. Reseat the cable connections of
both ribbon drive motors.
2. Power on the printer. Using a screwdriver, short across the ribbon guide
screws to reverse ribbon hub motion. Check for a ribbon drive motor that
will not wind the ribbon.
If the ribbon will not wind in one or both directions, replace the
defective ribbon drive motor(s). If the ribbon winds in both directions,
replace the CMX controller board. Record the message and return it
with defective CMX board.
Ribbon folding or feed problems
1. Check that both ribbon spools are fully seated on the ribbon hubs and the
ribbon runs between the ribbon mask and hammer bank cover.
Install the ribbon correctly.
2. Check that the ribbon spools are not rubbing against the shuttle cover
assembly.
Install the shuttle cover assembly correctly, so that the ribbon spools
do not rub against it.
3. Inspect the paper print path for paper chaff, ink residue, and debris.
Clean the shuttle frame assembly.
4. Power on the printer. Run a print test and observe ribbon movement
across the left and right ribbon guides.
Adjust the right and left ribbon guides.