Lexmark C510 Service Manual - Page 87

Operator messages 5021-0XX Message Description Action Change Tray Close Duplex Door Close Front Cover Printer is requesting different media than what is loaded in specified tray or defined by paper size or paper type settings for tray. Ensure tray contains proper type and size of media for job. Remove tray from machine. Remove paper from tray. Change paper size length. Observe paper size sensor actuator, located on the side of the tray, movement as you change to various paper sizes. Actuator should move back and forth. If actuator does not move back and forth, replace paper tray. If problem persists, go to "Paper size sensing service check" on page 2-87. Duplex door is open. Front cover is open. Open and reclose front cover. Ensure that strap connecting front cover to printer is attached to printer. Close Rear Cover Rear cover assembly is open. If problem persists, go to "Cover open service check" on page 2-75. Open and close rear cover assembly. Close Top Cover Top cover is open. If problem persists, go to "Cover open service check" on page 2-75. Open and reclose top cover. If problem persists, go to "Cover open service check" on page 2-75. Diagnostic information 2-9