Lexmark C510 Service Manual - Page 103

5021-0XX Symptom tables Printer symptom table Symptom Operator panel buttons do not work Operator panel display is blank, printer beeps 5 times Operator panel continuously displays all diamonds and beeps 5 times Operator panel display is blank, but printer does not beep Paper feed problems Close door displayed when all doors are closed Printer does not reset or change user settings Paper jam messages do not reset after removing paper Toner cartridge does not turn or does not put toner on the photodeveloper cartridge. Developer motor makes noise or continuously runs Main motor makes noise or continuously runs Transfer belt unit makes noise when rotated or does not rotate at all Action See "Operator panel service check" on page 2-84. See "Operator panel service check" on page 2-84. See "Operator panel service check" on page 2-84. Replace operator panel assembly. See "Paper feed service checks" on page 2-99. See "Operator messages" on page 2-9 and follow the action suggested. See "Operator messages" on page 2-9 and follow the action suggested. See "Operator messages" on page 2-9 and follow the action suggested. See "Toner feed service check" on page 2-91. See "910-Developer motor service check" on page 2-45. See "911-Main motor service check" on page 2-48. See "990-Transfer belt unit service check" on page 2-65. Diagnostic information 2-25