Lexmark Optra C710 Service Manual - Page 137
Parallel Port Service Check, parallel cable and host. The test provides displays failure information
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5016-001 C Paper jam 202 displays indicating media is detected and fed from tray x and paper jams after it passes the paper pass sensor. FRU 1 Fuser Assembly Paper Exit Sensor Flag and Spring Heat Insulating Cover 1 Action Fuser assembly available: Try a new fuser assembly before proceeding with this service check. Fuser assembly not available: If the media jams over the exit sensor, check the exit sensor flag and spring for correct operation and loose or broken parts. If a problem is found, replace as necessary. Check the heat insulating cover 1 for anything that would cause a paper jam. Parallel Port Service Check Run the "Parallel Wrap Test" on page 3-11. The Parallel Wrap Test is designed to check the parallel port hardware by using a wrap plug (P/N 1319128) which invokes the Parallel Diagnostic Test. This test helps isolate the printer from the parallel cable and host. The test provides displays failure information for approximately 3 seconds. If the test detects a problem, replace the controller board. Diagnostic Information 2-71