Lexmark C520 Service Manual - Page 27

5022-xxx Service error codes and paper jam messages (continued) Error code 230.04 230.05 230.21 241.03 241.04 Description During duplex printing, the input sensor is made while the previous page is still in the aligner. Possible causes: • Defective input sensor • Faulty system card During duplex printing, the input sensor is not made. Possible causes: • Obstructed duplex path • Defective input sensor • Faulty system card • Faulty duplex drive Duplex motor stalled. Possible causes: • Obstructed duplex path • Defective duplex motor • Faulty system card While feeding from tray 1, the input sensor does not break. Possible causes: • Incorrect media setting • Incorrect paper loading • Incorrect media restraint setting • Paper tray failure • Paper pick mechanism failure While feeding from tray 1, the input sensor is made while the previous page is still in aligner. Possible causes: • Incorrect media setting • Incorrect paper loading • Incorrect media restraint setting • Paper tray failure • Paper pick mechanism Action • If clearing a paper jam does not fix the problem, go to "Input sensor service check" on page 2-52. • Check for anything in the duplex paper path that might cause the paper to jam. This includes the paper guides in tray 1. • If clearing the paper jam does not fix the problem and the paper is fan-folded, replace the front access assembly. See "Front door assembly removal" on page 4-55. • If clearing a paper jam does not fix the problem, go to "Input sensor service check" on page 2-52. • Check for anything in the duplex paper path that might cause the paper to jam. This includes the paper guides in tray 1. • If clearing a paper jam does not fix the problem, go to "146.xx-Motor (duplex) error service check" on page 2-36. • Ensure proper media is set for the type of paper used. • Fan media, and stack it flat in the tray or MPF. • Properly set media restraints in paper tray. • Check the pick arm rolls (tires) and replace if worn. • Replace the paper tray. • Replace the paper pick mechanism. See "Paper pick mechanism assembly removal" on page 4-68. • Ensure the proper media is set for the type of paper used. • Fan media, and stack it flat in the tray or MPF. • Properly set media restraints in paper tray. • Check the pick arm rolls (tires) and replace if worn. • Replace the paper tray. • Replace the paper pick mechanism. See "Paper pick mechanism assembly removal" on page 4-68. 2-12 Service Manual