Lexmark 4227 Service Manual - Page 26
Operator panel service, check - print head
UPC - 734646117104
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4227-300 Display Indication 633 Machine Check Timer Interrupt Error 636 Machine Check NOVRAM Error 637 Machine Check CA Drive Error 638 Machine Check CA Drive Error 639 Machine Check CA Drive Error 63B Machine Check Key Scan Error 63C Machine Check Auto Gap Error 63D Machine Check Tractor 2 HP Error 63E Machine Check Head Thermal Error 63F Machine Check Option RAM Error 640 Machine Check CA Thermal Error Description/Action Timer Interrupt Controller Error. Replace the main logic board and perform the "Bidirectional print adjustment" on page 4-3. Check the "Printhead-toplaten gap adjustment" on page 4-2. Non-Volatile Memory Read/Write Error. Replace the main logic board and perform the "Bidirectional print adjustment" on page 4-3. Check the "Printhead-toplaten gap adjustment" on page 4-2. Home Timeout Error. Go to the "Carrier drive service check" on page 2-15. Carrier Drive Error. No emitter pulse detected. Go to the "Carrier drive service check" on page 2-15. Carrier Drive Error. Carrier positioning error. Go to the "Carrier drive service check" on page 2-15. Button Scanning Error. Go to the "Operator panel service check" on page 2-20. Auto Gap Error. Go to the "Auto Gap service check" on page 2-11. Tractor 2 Home Position Error. Go to the "Tractor 2 service check" on page 2-31. Head Thermal Sensor Error. Go to the "Print wire drive failure service check" on page 2-28. Option RAM Read/Write Error. Replace the 32Kb Memory Module. Carrier Thermal Sensor Error. Go to the "Carrier drive service check" on page 2-15. 2-2 Service Manual