Lexmark Optra N model 240 Service Manual - Page 14
Diagnostic Information, thesis. Some part numbers are also included. Use the error code
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4040 Finisher 2. Diagnostic Information Use the serial number from the indicated label to identify the machine for reporting service related activity. The diagnostic information in this chapter leads you to the failing part. Before you replace an entire assembly, determine if just the defective part is available in the parts catalog. Some diagnostic procedures indicate the parts catalog location of the part to be checked by including the assembly number and reference number in parenthesis. Some part numbers are also included. Use the error code tables, symptom table, service checks and the diagnostic aids chapter to determine the symptom and repair the failure. After you complete the repair, perform the appropriate tests to verify the repair. 2-1