HP 4700 Series User Manual

Environmental change control ..........................................................................178
Conditions leading up to DHALF .......................................................................179
Image halftone calibration control (DHALF) ......................................................179
Image density detection ....................................................................................179
Pickup/feed system ............................................................................................................................181
Pickup/feed unit .................................................................................................................186
Paper tray detection and paper tray media size detection ...............................186
Paper tray pickup operation ..............................................................................187
Media lift-up operation .......................................................................................188
Initial lift-up .......................................................................................188
Lift-up during printing ........................................................................188
Multiple-feed prevention ....................................................................................189
Skew correction .................................................................................................191
Media detection .................................................................................................192
Feed speed control ...........................................................................................193
Fusing and delivery block ..................................................................................................194
Loop control .......................................................................................................194
Fusing pressure release mechanism ................................................................195
Jam detection ....................................................................................................196
Pickup delay jam ..............................................................................197
Pickup stationary jam .......................................................................197
Delivery delay jam ............................................................................197
Door open jam ..................................................................................197
Residual paper jam ..........................................................................197
Reversing unit jam 1 .........................................................................197
Reversing unit jam 2 .........................................................................198
Duplexing pickup unit jam 1 .............................................................198
Automatic delivery function ..............................................................198
Duplex feed unit .................................................................................................................198
Reversing/duplexing feed operation .................................................................199
Jam detection ....................................................................................................201
Reversing unit jam 1 .........................................................................202
Reversing unit jam 2 .........................................................................202
Duplexing pickup unit jam 1 (Duplexing unit stationary jam) ...........202
500-sheet paper feeder ........................................................................................................
..............203
Pickup and feed operations ...............................................................................................204
Stapler/stacker ....................................................................................................................................206
Staple mode .......................................................................................................................206
Stacker mode .....................................................................................................................206
Offset mode .......................................................................................................................206
Messages ...........................................................................................................................207
6 Removal and replacement
Removal and replacement strategy ....................................................................................................210
Repair notices ....................................................................................................................210
Caution regarding electrostatic discharge (ESD) ..............................................................210
Required tools ....................................................................................................................210
Types of screws .................................................................................................................211
Parts-removal tree .............................................................................................................212
User-replaceable parts .......................................................................................................................213
ENWW ix

HP 4700 Series Specifications

General

Print Technology	Laser
Standard Output Capacity	250 sheets
Connectivity	USB 2.0, Ethernet, Parallel
Maximum Print Size	8.5 x 14 inches
Operating System Compatibility	Windows, Mac OS