Xerox Phaser 7400

3-14 Phaser 7400 Color Printer Service Manual
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. 3-165
922 Failure in the Cyan Imaging Unit Drum or Motor. 3-165
923 Failure in the Black Imaging Unit Drum or Motor. 3-165
924 +24 V not available to Tray 3. 3-167
925 +24 V not available to Tray 4. 3-167
926 +24 V not available to Tray 5. 3-167
927 +24 V not available to Tray 6. 3-167
928 Failure in the Fuser Motor. 3-168
929 Failure in the Waste Toner Motor. 3-169
930 The Motor Driver Board sub-CPU clock frequency is inaccurate. 3-170
931 The Duplex Unit CPU clock frequency is inaccurate. 3-171
932 The Inverter CPU clock frequency is inaccurate. 3-172
933 The Tray 3 Feeder Board clock frequency is inaccurate. 3-173
934 The Tray 4 Feeder Board clock frequency is inaccurate. 3-173
935 The Tray 5 Feeder Board clock frequency is inaccurate. 3-173
936 The Tray 6 Feeder Board clock frequency is inaccurate. 3-173
940 Waste Toner Auger Sensor indicates a toner transfer error. 3-174
941 CM Toner supply failure. Toner Sensor failure with Cyan or Magenta Toner. 3-176
942 YK Toner supply failure. Toner Sensor failure with Black or Yellow Toner. 3-176
Warning Messages
_ Tray [1 (MPT)][2][3][4][5][6] is too full 3-73
_ Tray 1 (MPT) is not lifted 3-71
_ Tray [2][3][4][5][6] is not lifted 3-73
_ No Paper in Tray 1 (MPT) 3-177
_ No Paper in Tray [2][3][4][5][6] 3-178
_ Left Side Output Tray is Closed 3-179
_ [C][M][Y][K] Toner is Low 3-59
_ [C][M][Y][K] Imaging Unit is Near End of Life 3-60
_ Fuser is Near End of Life 3-63
_ Transfer Unit is Near End of Life 3-61
Error Message Summary (Continued)
Error Control Panel Message Page