Service Guide
ix
The print is wrinkled 68
Macintosh printing problems 69
Image never prints 69
Image is rotated 90 degrees 69
Image prints in black-and-white 69
Printer isn’t in the Chooser 70
Windows printing problems 70
Image never prints 70
Interpreting the Supplies Page 71
Life remaining gauges 71
Date installed 71
Toner coverage 71
Print counts 71
Print count conversions 72
Service Tests and Adjustments 73
Required tools 73
Printing test prints on the Phaser 740 printer 74
Print service test prints 74
Printing the Configuration Page 74
Printing the demonstration pages 74
Printing the print engine’s test print 74
Printing test prints on the Phaser 750 printer 75
Printing the Diagnostic Test Pages and Solid Fill Test Page 75
Printing the Configuration Page 75
Printing the demonstration pages 75
Printing the print engine’s test print 75
Embedded pages (Phaser 750 printer only) 76
Printer self-diagnostics 77
Phaser 740 service tests 77
Phaser 750 service tests 80
Print engine calibration 84
Printer color correction 84
Manually setting color corrections 84
Phaser 740 84
Phaser 750 84
Calibrate for paper (Phaser 750 only) 86
Cleaning and Maintenance 87
Service preventive maintenance procedure 87
Recommended tools 88
Cleaning 88
Lubrication 89
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General