Lexmark Optra C Service Manual - Page 37

5045-001 Operator Codes The following code numbers are operator instructions and messages. In some cases, no action is required; others are operator-correctable; and others may require service. An error code may require up to one minute to appear. Some symptoms may not generate an error code. Locate your symptom in the table and take the indicated action. Code Symptom 20 - 25 Paper Jam When experiencing repeated or non resetable paper jam codes, go to "Paper Feed Troubleshooting" on page 2-38. 26 Incorrect Paper Size Ensure that the size of the paper being fed matches the size of the paper selected in the paper setup menu, and the gates in the cassette. Also check the cassette size sensing PCB and the ejection sensing PCB. Refer to the Block Wiring Diagram Sheet. 27 Change Paper The LCD displays the following paper sizes: (Letter, Legal, B5, A4) 28 Load Paper Ensure there is paper in the tray(s). If paper is present, check the operation of the cassette paper sensor, PS301. 30 Door Open There is only one door open switch. It is located above the LVPS. It is a mechanical "and gate". The front door, fuser access door and paper feed mechanism must all be closed to actuate this switch. Remove the rear cover and EMC shield. Trace the motion of the interlocks and repair as necessary. 31 - 34 Cartridge Missing If all cartridges are incorrectly reported missing, check: • The toner low detect PCB (Beam) • The toner low detect PCB (Receiver) • The density sensor ribbon cable 35 Cartridge Eject Handle Out Check the mechanical operation of the cartridge eject lever. If this is OK, check the ejection sensing PCB for damage to the ejection sensing switch. Diagnostic Information 2-5