Lexmark T430 Service Manual - Page 41

4048-1xx Service error codes (9xx) (continued) Error Description Action 923 Fuser error Fuser is too hot during printing or when printer is idle. Go to "Fuser service check" on page 2-40. 924 Fuser error An open circuit has been detected in the fuser thermistor circuit. Check cabling and connectors. Go to "Fuser service check" on page 2-40. 929 Toner sensor The toner sensor is not operating properly, the developer drive assembly is not operating properly, or the print cartridge is defective. Go to "Sensor Test" on page 3-12. 931 Printhead-no first hysnc Check for unplugged printhead, faulty cabling, or faulty printhead. 932 Printhead-lost hsyncs Replace the printhead. 934 Mirror motor lost lock Replace the printhead. 935 Mirror motor unable to Faulty printhead, cabling or connector. reach operating speed. 936 Transport motor initial Indicates a problem with the main drive lock failure motor or a jam occurred during the motor ramp-up to speed. 937 Transport motor lost lock Faulty motor or a jam occurred after motor ramp-up to speed. Possible problem with the main drive. 939 RIP-engine communications The RIP processor cannot communicate with the engine processor. Replace the controller card. Go to "Controller card assembly removal" on page 4-50. If the problem persists, contact the next level of support. Diagnostic information 2-7