Cross-sectional view of 550–sheet paper feeder ........................................ 52
Diagrams: Printed circuit assembly (PCA) connector locations ..................................... 53
Diagrams: DC controller connections ........................................................... 53
Paper feeder controller PCA ......................................................................... 54
Diagrams: External plug and port locations ................................................................... 54
Diagrams: Locations of major components ................................................................... 56
Major components (printer base) ................................................................. 56
Motor and fan ............................................................................................... 57
Rollers and pads (printer base) .................................................................... 58
PCAs (printer base) ....................................................................................... 59
Diagrams: Timing chart .................................................................................................. 60
Diagrams: Circuit diagrams ............................................................................................. 61
Advanced conguration with HP Embedded Web Server (EWS) and HP Device Toolbox
(Windows 7) ....................................................................................................................................... 62
Internal print-quality test pages ....................................................................................................... 64
Clean the paper path ....................................................................................................... 64
Clean the paper path (LCD control panel) .................................................... 64
Clean the paper path (touchscreen control panel) ...................................... 65
Print the conguration page ........................................................................................... 65
Print the conguration page from an LCD control panel ............................. 65
Print the conguration page from a touchscreen control panel ................. 65
Print-quality troubleshooting tools .................................................................................................. 66
Repetitive image defect ruler ......................................................................................... 66
Use a ruler to measure between repetitive defects ..................................... 66
Control panel menus ......................................................................................................................... 70
HP Web Services menu ................................................................................................... 70
Reports menu ................................................................................................................. 70
Quick Forms menu .......................................................................................................... 71
USB Flash Drive menu ..................................................................................................... 71
System Setup menu ........................................................................................................ 72
Service menu ................................................................................................................... 74
Network Setup menu ...................................................................................................... 77
Control panel message document (CPMD) ....................................................................................... 79
Control-panel message types ........................................................................................ 79
Control-panel messages and event log entries ............................................................. 79
30.XX Error Messages ................................................................................... 79
49.XX.YY Error Messages ............................................................................. 80
50.XX fuser errors ........................................................................................ 80
51.XX and 52 Laser/Scanner Errors ............................................................. 81
55.XXXX Error Messages .............................................................................. 82
57.XX Error Messages ................................................................................... 83
ENWW ix