IBM 102 User Manual page 254

89 RIBBON JAM
CHECK RIBBON
1. Turn the power Off (O).
2. Remove the ribbon cartridge.
3. Turn the blue ribbon advance knob to be sure that the ribbon
is advancing correctly.
4. If the ribbon does not advance correctly, replace the ribbon
cartridge.
5. If the ribbon cartridge advances correctly:
a. Turn the power On (|) without the ribbon cartridge.
b. If the printer displays this status code again, call for service.
6. If you try again with a new ribbon cartridge and have the same
problem, call for service.
9 COVER/DOOR OPEN
PRINT SPEED REDUCED
This is an informational message. The access cover and front paper
door should be closed while the printer is printing. If the access
cover or front paper door is open, the 4230 Printer slows printing and
forms movement for safety reasons.
B-24
User's Guide