34
Phaser 740 and 750 Color Printers
82
Serial time-out error.
1. Check the connection between the image processor board and
the engine control board.
2. Replace the image process board.
3. Replace the engine control board.
83
Command error. The image processor sent bad data to the
engine control board.
1. Make sure the toner cartridges are installed, then cycle printer
power.
2. Reset the image processor NVRAM.
3. Check the connection between the image processor board and
the engine control board.
4. Replace the image process board.
5. Replace the engine control board.
84
Parity error.
1. Reset the image processor NVRAM.
2. Check the connection between the image processor board and
the engine control board.
3. Replace the image process board.
4. Replace the engine control board.
Print engine service error codes
Error code
Meaning of error code and what to do about it
Summary of Contents for Phaser 740
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Page 129: ...Service Guide 117 Figure 3 Motor and fan FRUs 3102 37 1 10 9 5 8 7 2 6 4 3 ...
Page 131: ...Service Guide 119 Figure 4 Sensor switch and flag FRUs 3102 40 1 7 2 3 4 8 5 6 ...
Page 135: ...Service Guide 123 Figure 6 Imaging and paper feed component FRUs 3102 39 1 2 3 7 9 4 6 8 5 ...