Lexmark C510 Service Manual - Page 82

5021-0XX Error code Action 920 Fuser thermistor error Go to "920-Fuser thermistor service check" on page 2-60. 921/922/923/924/925 Fuser temperature error Go to "921,922,923,924,925-Fuser assembly service check" on page 2-61. 92X Fuser exhausted Fuser is in a maintenance state and needs to be replaced before any other action can be taken. Replace fuser assembly (see "Fuser assembly removal" on page 4-9) and note whether any error code exists. Note: Fuser is a customer-order supply. 930 Laser power error Indicates that printhead laser output is low. Go to "930,931,932-Laser unit assembly service check" on page 2-62. 931 Beam detector error (BDT) Indicates that printhead laser scanning beam is not detected by the beam sensor. Go to "930,931,932-Laser unit assembly service check" on page 2-62. 932 Scanner motor error (SM) Indicates abnormal rotation of printhead scanner motor. Go to "930,931,932-Laser unit assembly service check" on page 2-62. 939 RIP to engine communication Indicates that the RIP board processor cannot communicate with processor. Remove and reinstall RIP board. Go to "RIP board removal" on page 4-45. Ensure RIP board makes proper connection with engine controller board connector. Ensure engine controller board is properly installed. If error persists, replace RIP board. If error still persists, replace engine controller board. See "Engine controller board removal" on page 4-55. 945 Engine board NVRAM error Turn power off and then back on. If error still exists, replace engine controller board. Go to "Engine controller board removal" on page 4-55. 2-4 Service Manual