Power subsystem .....................................................................................................

81

Power-on checks ......................................................................................

81

Tools for troubleshooting .........................................................................................................

82

Component diagnostics ............................................................................................

82

Component tests .......................................................................................

82

Control-panel tests .....................................................................

82

Diagrams ...............................................................................................................

83

Locations of connectors .............................................................................

83

Locations of major components ..................................................................

84

General timing chart .................................................................................

86

General circuit diagram ............................................................................

87

Internal print-quality test pages ..................................................................................

88

Print a Diagnostics Page ...........................................................................

88

Interpret the Print Quality Page ...................................................................

89

Print-quality troubleshooting tools ..............................................................................

90

Repetitive image defects ruler ....................................................................

90

Calibrate the product ................................................................................

90

Control panel menus ................................................................................................

91

Setup menu .............................................................................................

91

Reports menu ............................................................................

91

System Setup menu ....................................................................

91

Service menu ............................................................................

94

Network Setup menu (network models only) .................................

94

Function specific menus .............................................................................

95

Copy Menu ..............................................................................

95

Service mode functions ...........................................................................................................

97

Service menu/Secondary service menu ......................................................................

97

Service menu ...........................................................................................

97

Secondary service menu ...........................................................................

97

Open the secondary service menu ...............................................

97

Secondary service menu structure ................................................

98

Product resets .........................................................................................................

99

Restore factory settings ..............................................................................

99

NVRAM initialization ................................................................................

99

Product updates .....................................................................................................................

99

3 Parts and diagrams ......................................................................................................

101

Order parts by authorized service providers ............................................................................

102

Order replacement parts ........................................................................................

102

Related documentation and software .......................................................................

102

Supplies part numbers ...........................................................................................

102

ENWW

vii