Tray 1, optional 3-bin mailbox or stacker part of stapler/stacker: 76 x 127 to 216 x 356 mm; Tray 2 and optional Tray 3, 4, 5: 148 x 210 to 216 x 356 mm; custom sizes not supported on optional automatic two-sided printing unit, envelope feeder, stapler
recommended media weight
Tray 1: 60 to 200 g/m², Tray 2: 60 to 120 g/m², Tray 3: 60 to 120 g/m²,
Paper handling
100-sheet multi-purpose tray, two 500-sheet input trays, optional two additional 500-sheet input trays, 50-sheet Automatic Document Feeder (ADF), automatic two-sided printing, 500-sheet output bin
Other technical information
Standard Connectivity
1 USB (compatible with USB 2.0 specifications), 1 network port (HP Fast Ethernet embedded print server), 1 open foreign interface harness (FIH) port, 1 fax connection, 1 open EIO slot, 1 open Jetlink for paper handling accessories
Optional Connectivity
HP Jetdirect 635n IPv6/IPsec Print Server J7961A, HP Jetdirect 625n Gigabit Ethernet Print Server J7960A, HP Jetdirect 620n Fast Ethernet Print Server J7934A, HP Jetdirect ew2400 802.11g Wireless Print Server J7951A, HP Jetdirect en3700 Fast Ethernet Print Server J7942A, HP Jetdirect 175x Fast Ethernet Print Server J6035D, HP High Performance Serial ATA Hard Disk J7989G, HP 1284B Parallel Card J7972G, HP Jetdirect Connectivity Card J4135A, HP bt450 Bluetooth Wireless Printer and PC Adapter Q6398A, HP bt400 Bluetooth Wireless Printer Adapter Q6399A
Compatible Operating Systems
Microsoft® Windows® 2000, XP Home, XP Professional, XP Professional x64, Server 2003; Windows Vista™ supported soon (visit www.hp.com/go/windowsvista for more information); Mac OS X v 10.2 or higher
Compatible Network Operating Systems
Microsoft® Windows® 2000, XP Home, XP Professional, XP Professional x64 (Itanium only), Server 2003 (IPv6 only supported Windows XP and Server 2003); Novell NetWare 3.2, 4.2, 5.x, 6.x (NDPS); Mac OS 8.6 and higher; Red Hat Linux 6.x, 7.x, 8.x, 9.x; SuSE Linux 6.x, 7.x, 9.x; HP UX 10.20, 11.x, 11i; Solaris 2.5x, 2.6, 2.7, 2.8 (SPARC systems only); IBM AIX 3.2.5 and higher; MPE-iX, Unix, Citrix, MetaFrame, Windows Terminal Servers
Minimum System Requirements
133 MHz processor or higher, 64 MB RAM, 40 MB available hard disk space, USB or network port
HP LaserJet M4345 MFP: print speed of up to 43 ppm, 256 MB memory, 480 MHz processor, 40GB Hard Disk, Hi-Speed USB 2.00 connectivity, HP Jet Direct Embedded Print Server, embedded sending functionality, standard input capacity of 600-sheets with 500-sheet input tray and 100-sheet multipurpose tray, 50-sheet automatic document feeder