Lexmark 4227 Service Manual - Page 25
Diagnostic information, Start, Error indication table - error codes
UPC - 734646117104
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4227-300 2. Diagnostic information Start Make a quick visual check for defects (loose or broken parts, unplugged connectors, or paper jams). If there is no power after turning the printer on, go to the "Power failure service check" on page 2-25. If an error indicator appears, go to the "Error indication table" on page 2-1 and take the indicated action. Run the "Print Test" on page 3-5 and refer to the "Error log" on page 3-5 for details of error indication information. If no error indication appears, refer to "Symptom tables" on page 2-3. Error indication table The following table describes the service check entries for the printer error indication codes. When an error indication changes after you have entered a service check, you have an intermittent problem. If this occurs, leave the service check and go to "Symptom tables" on page 2-3. Display Indication 631 Machine Check Display RAM Error 632 Machine Check System RAM Error Description/Action Display RAM Read/Write Error. This error is detected only during POST. Replace the operator panel. System RAM Read/Write Error. Replace the main logic board and perform the "Bidirectional print adjustment" on page 4-3. Check the "Printhead-to-platen gap adjustment" on page 4-2. Diagnostic information 2-1