HP 556dn

Table of contents
1 Printer overview ............................................................................................................................................ 1
Printer views .......................................................................................................................................................... 2
Printer front view ................................................................................................................................ 2
Printer back view ................................................................................................................................. 3
Interface ports ..................................................................................................................................... 4
Control-panel view .............................................................................................................................. 5
Printer specications ............................................................................................................................................. 7
Technical specications ....................................................................................................................... 7
Supported operating systems ............................................................................................................. 8
Mobile printing solutions .................................................................................................................. 10
Printer dimensions ............................................................................................................................ 11
Power consumption, electrical specications, and acoustic emissions ........................................... 15
Operating-environment range .......................................................................................................... 15
Printer hardware setup and software installation .............................................................................................. 16
2 Paper trays ................................................................................................................................................. 17
Load paper to Tray 1 (multi-purpose tray) .......................................................................................................... 18
Introduction ....................................................................................................................................... 18
Tray 1 paper orientation ................................................................................................................... 19
Use alternative letterhead mode ...................................................................................................... 22
Enable Alternative Letterhead Mode by using the printer control-panel menus .......... 22
Load paper to Tray 2 ............................................................................................................................................ 23
Introduction ....................................................................................................................................... 23
Tray 2 paper orientation ................................................................................................................... 24
Use alternative letterhead mode ...................................................................................................... 26
Enable Alternative Letterhead Mode by using the printer control-panel menus .......... 26
Load paper to Tray 3 ............................................................................................................................................ 27
Introduction ....................................................................................................................................... 27
Tray 3 paper orientation ................................................................................................................... 28
Use alternative letterhead mode ...................................................................................................... 30
Enable Alternative Letterhead Mode by using the printer control-panel menus .......... 30
Load paper to the 3 x 500-sheet paper feeder ................................................................................................... 31
ENWW iii