Lexmark Optra Color 1200 Service Manual page 48

5050-001
Message or Symptom
Error
992 Engine Error
Abnormal Humidity Sensor
Engine ROM/RAM
993
Printer Controller Error
Action
1. Be sure connector CN121 is
properly connected to the
printer controller board. Also be
sure the connector on the
humidity sensor card is plugged
in correctly.
2. Replace the humidity sensor
(11G0571).
3. If you still have the problem,
replace the printer controller
board.
1. Try to recover by turning power
off and on.
2. Replace the U107 EEPROM
(11G0325) on the printer
controller board.
3. If you still have the problem,
replace the printer controller
board (11G0324).
4. If you still have the problem,
replace the RIP controller card
(11G0604).
Diagnostic Information
2-9