Xerox Phaser 7400 Service Manual page 124

Error Message Summary (Continued)
Error Control Panel Message
Printer error - Contact service; report fault [nnn]" (Continued)
Where [nnn] is one of the codes described below.
921 Failure in the Magenta Imaging Unit Drum or Motor.
922 Failure in the Cyan Imaging Unit Drum or Motor.
923 Failure in the Black Imaging Unit Drum or Motor.
924 +24 V not available to Tray 3.
925 +24 V not available to Tray 4.
926 +24 V not available to Tray 5.
927 +24 V not available to Tray 6.
928 Failure in the Fuser Motor.
929 Failure in the Waste Toner Motor.
930 The Motor Driver Board sub-CPU clock frequency is inaccurate.
931 The Duplex Unit CPU clock frequency is inaccurate.
932 The Inverter CPU clock frequency is inaccurate.
933 The Tray 3 Feeder Board clock frequency is inaccurate.
934 The Tray 4 Feeder Board clock frequency is inaccurate.
935 The Tray 5 Feeder Board clock frequency is inaccurate.
936 The Tray 6 Feeder Board clock frequency is inaccurate.
940 Waste Toner Auger Sensor indicates a toner transfer error.
941 CM Toner supply failure. Toner Sensor failure with Cyan or Magenta Toner.
942 YK Toner supply failure. Toner Sensor failure with Black or Yellow Toner.
Warning Messages
_ Tray [1 (MPT)][2][3][4][5][6] is too full
_ Tray 1 (MPT) is not lifted
_ Tray [2][3][4][5][6] is not lifted
_ No Paper in Tray 1 (MPT)
_ No Paper in Tray [2][3][4][5][6]
_ Left Side Output Tray is Closed
_ [C][M][Y][K] Toner is Low
_ [C][M][Y][K] Imaging Unit is Near End of Life
_ Fuser is Near End of Life
_ Transfer Unit is Near End of Life
3-14 Phaser 7400 Color Printer Service Manual
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