Lexmark X644E Service Manual - Page 69

7002-xxx Service error codes (9xx.xx) (continued) Error code Sub codes Display text Description 927 .07 929 .00 929 .66 929 .67 930 .00 932 .00 933 .00 934 .00 936 .00 936 .10 936 .11 936 .20 936 .21 Main fan capture data is invalid and speed control is at maximum in fan control adjustment state. Corrupted feedback signal. Toner sensor error-a problem has been detected with the toner sensor. • Check the toner sensor • Check cable • Check system board An error has been detected. No home windows has been detected. • Check toner cartridge. • Check toner sensor No toner sensor transition. • Check toner sensor • Check toner cartridge An incorrect printhead has been detected Check the printhead Printhead lost HSYNC. • Check printhead • Check cables and connections • Check system board Mirror motor locked, no first HSYNC received. • Check printhead • Check cables and connectors • Check system board. Mirror motor lost lock • Check printhead • Check cables and connections • Check system board Mirror moor not up to speed • Check printhead • Check system board No hall effect detected at motor start. Motor is type 0. • Check cable connections • Defective motor • Severe gear blinds in gearbox assembly • System board No hall effect detected at motor start. Motor is type 1. • Check cable connections • Defective motor • Severe gear binds in gearbox assembly. • System board Failed to stop within timeout, motor is type 0. • Defective motor • Defective system board Failed to stop within timeout, motor is type 1. • Defective motor • Defective system board Action Go to "Main fan service check" on page 2-119. Go to "Toner sensor service check" on page 2-171. Go to "Toner sensor service check" on page 2-171. Go to "Toner sensor service check" on page 2-171. Go to "Printhead service check" on page 2-165. Go to "Printhead service check" on page 2-165. Go to "Printhead service check" on page 2-165. Go to "Printhead service check" on page 2-165. Go to "Printhead service check" on page 2-165. Go to "Main drive service check" on page 2-153. Go to "Main drive service check" on page 2-153. Go to "Main drive service check" on page 2-153. Go to "Main drive service check" on page 2-153. Diagnostic information 2-31