HP 9250C 5 Removal and replacement

Memory ..............................................................................................................................	28
Control panel .....................................................................................................................	28
Keyboard ...........................................................................................................................	28
Scanner controller board ...................................................................................................	28
Engine control system ........................................................................................................................	28
Engine power supply circuit ...............................................................................................	28
Flatbed unit and ADF system .............................................................................................................	29
Electrical system ................................................................................................................	29
Motors and fans .................................................................................................................	30
Optical assembly ...............................................................................................................	30
ADF feed system ...............................................................................................................	32
Jam detection ....................................................................................................................	33
5 Removal and replacement
Removal and replacement strategy ....................................................................................................	36
Required tools ....................................................................................................................	36
Before performing service ..................................................................................................	36
After completing service ....................................................................................................	37
Screws that are used in the digital sender .........................................................................	37
User-replaceable parts .......................................................................................................................	38
Separation pad ..................................................................................................................	39
Pickup-roller cover .............................................................................................................	41
Pickup roller assembly .......................................................................................................	43
Mylar-holder assembly .......................................................................................................	44
ADF mylar shield ...............................................................................................................	46
Control panel .....................................................................................................................	47
Control-panel overlays .......................................................................................................	48
Formatter assemblies ........................................................................................................	49
Hinge flaps .........................................................................................................................	53
Paper input tray .................................................................................................................	54
External components and covers .......................................................................................................	55
Keyboard ...........................................................................................................................	56
Control-panel lower cover ..................................................................................................	58
Control-panel upper cover .................................................................................................	59
Control-panel cover assembly ...........................................................................................	60
External control-panel cable ..............................................................................................	63
Output bin base cover or output bin extender ....................................................................	64
Output bin paper lever .......................................................................................................	65
ADF right cover ..................................................................................................................	66
ADF right-corner cover ......................................................................................................	68
ADF left cover ....................................................................................................................	69
ADF left-corner cover .........................................................................................................	71
ADF rear cover ..................................................................................................................	72
Scanner right cover ............................................................................................................	73
Scanner left cover ..............................................................................................................	74
Scanner front cover ...........................................................................................................	75
Scanner rear cover ............................................................................................................	76
Right hinge cover ...............................................................................................................	77
Left hinge cover .................................................................................................................	78
Upper hinge cover .............................................................................................................	79

ENWW