HP LaserJet M4345 MFP Service Manual

Solve network connectivity problems
Troubleshooting network printing problems
NOTE HP recommends that you use the MFP CD-ROM to install and set up the MFP on a
network.
1. Make sure that the network cable is securely seated into the MFP's RJ45 connector.
2. Make sure that the Jetdirect LED on the formatter is lit.
3. Make sure that the I/O card is ready. Print a Configuration page. If an HP Jetdirect print server
is installed, printing a Configuration page also prints a second page that shows the network
settings and status.
NOTE The HP Jetdirect embedded print server supports various network protocols
(TCP/IP, IPX/SPX, Novell/Netware, AppleTalk, and DCL/LLC). Make sure that the correct
protocol is enabled for your network.
4. On the HP Jetdirect Configuration page, verify the following items for your protocol:
a. Under HP Jetdirect Configuration, the status is "I/O Card Ready".
b. The status is "Ready".
c. An IP address is listed.
d. The configuration method (Config by:) is listed correctly. See the network administrator if
you are not sure which method is correct.
e. The domain name is correct.
5. Perform a loopback test to verify that the firmware is functioning correctly and that the hardware
that is on the formatter is functioning correctly.
6. Perform a ping test to verify that the MFP is communicating with other devices on the network.
7. Try printing the job from another computer.
8. To verify that a MFP works with a computer, use a USB cable to connect it directly to a
computer. You will have to reinstall the printing software. Print a document from a program that
has printed correctly in the past. If this works, a problem with the network might exist.
Loopback test
Use the loopback test to verify that the firmware is functioning correctly and that the hardware that is
on the formatter is functioning correctly. This test causes the formatter to send data to itself.
1. Disconnect the network cable.
2. Press Menu.
3. Touch CONFIGURE DEVICE.
4. Touch I/O, touch EMBEDDED JETDIRECT MENU, touch DIAGNOSTICS, and then touch
LOOPBACK TEST.
442 Chapter 6 Problem solving ENWW

HP LaserJet M4345 MFP Specifications

General

Print Technology	Laser
Functions	Print, copy, scan, fax
Print Speed	Up to 45 ppm
Print Resolution	Up to 1200 x 1200 dpi
Monthly Duty Cycle	Up to 200, 000 pages
Standard Input Capacity	600 sheets
Standard Output Capacity	250 sheets
Scanner Type	Flatbed, ADF
Maximum Scan Size	216 x 356 mm
Duplex Printing	Automatic
Memory, standard	256 MB
Memory, maximum	512 MB
Hard Disk	Optional
Print Languages	HP PCL 6, HP PCL 5e, HP Postscript Level 3 emulation
Paper Handling Input, Standard	100-sheet multipurpose tray, 500-sheet input tray
Scan Resolution, Optical	Up to 600 dpi
Scan Speed (Normal, A4)	Up to 45 ppm
Automatic Document Feeder Capacity	50 sheets
Copy Speed (Black, Normal Quality, A4)	Up to 45 cpm
Copy Resolution (Black Text)	Up to 600 x 600 dpi
Copy Reduce / Enlarge Settings	25 to 400%
Maximum Number of Copies	999
Fax Resolution	Up to 300 x 300 dpi
Fax Transmission Speed	3 sec per page
Connectivity	Ethernet
First Page Out	As fast as 8.5 sec
Display	LCD
Quick Dialing, Maximum Number	100 numbers
Operating System Compatibility	Windows, Mac, Linux
Network Ready	Standard (built-in Ethernet)