Lexmark 43J2200 Service Manual - Page 116
Parallel Port Service Check, Printhead Service Check, problem is detected
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4059-XXX Parallel Port Service Check Run the "Parallel Wrap Test" on page 3-11. Note: The Parallel Wrap Test is designed to check the parallel port hardware by using a wrap plug (P/N 1319128) and invoking the Parallel Diagnostic Test. This test helps isolate the printer from the parallel cable and host. The test provides failure information on the display for approximately 3 seconds. If the test indicates that a problem is detected, replace the controller board. Printhead Service Check The printhead assembly does not contain any service replaceable parts or components. If service error code 930 displays, the wrong printhead is installed in the printer. Service Error Code 1 Error Code 931 No first HYSNC Signal Error Code 932 Lost HYSNC Explanation These errors usually indicate a failure in the HYSNC signal to the printhead. Check the continuity of the cables connected to J3 and J8 on the engine board. If incorrect, replace the defective cable. The voltage at J8-4 measures approximately +5 V dc. If incorrect, replace the engine board. The voltage at J3-7 measures approximately +24 V dc. If incorrect, replace the engine board. If correct, replace the printhead assembly. 2-89 4059 Service Manual