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Phaser 740 and 750 Color Printers
Jams 46
Wrong media 46
Paper mis-picks at the paper tray 46
Paper jams midway in the paper feeder 46
Paper jams at the second bias transfer roller 47
Fuser jams 48
Eject jams 48
Multi-purpose tray feed jams 49
Jams in the duplex unit 49
Other problems 50
The printer continuously displays “Initializing” 50
No toner cartridge installed message when it is 50
No fuser installed message when it is 50
No fuser roll installed message when it is 51
Front door open when it is closed 51
Left-side door open message when it is not 51
High temperature error 52
Low temperature error 52
High voltage error 52
Thermistor open error 52
Front panel cycling between READY and WARMING UP 53
Erratic printer behavior 53
Installed RAM not recognized 53
Printing and print quality problems 54
Blank print 56
All-black print 56
Single color mottled or with non-uniform density streaks 57
Dark vertical line in print, single color 57
Vertical line in print, all colors 57
Vertical line or scratch in print, single color 58
Vertical line or scratch in print, all colors 58
Small, repeating light dot in one color in-line with each other 59
Single light, horizontal line in all the prints 60
Large, random light smudges 60
One or more dark vertical line in all colors 61
Dark, irregular, vertical streaks and smears on the entire page 62
One primary color faded or pale OR a single color has a dark vertical streak
62
Light, faded, pale prints 63
Single white spot appear in the same place on the print 64
Contamination of one color by another 64
Missing primary color 65
Mis-transfer, missing portions of toner 65
Dirty background 66
Stains on the back of the print 66
Ghosting 66
Unfused or partially fused printing 66
Image is skewed on the paper 67
No printing on edge of print 67
Image is not centered on the print when it should be 67
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 ...