HP LaserJet 3050z User Manual

Scan-quality problems
Preventing problems
The following are a few simple steps you can take to improve copy and scan quality.
●Use the flatbed scanner, rather than the automatic
 document feeder (ADF) input tray, to scan.
● Use high-quality originals.
● Load the media correctly. If the media is  loaded incorrectly, it might skew, which causes unclear
images. See 
Loading media into the input trays  for instructions.
● Adjust the software settings according to how you
 plan to use the scanned page. See...

Network problems
Verifying that the all-in-one is on and online
To verify that the all-in-one is on and online
Check the following items to make sure the all-in-one is ready to print.
1.Is the all-in-one plugged in and turned on?
Make sure that the all-in-one is plugged in and  turned on. If the problem persists, you might
have a defective power cable, power source, or all-in-one.
2. Is the all-in-one  Ready light on?
If the light is blinking, you might need to wait until the current job is completed.
3....

ping 192.168.45.39
Ensure that the ping displays round-trip times.
If you are able to ping the all-in-one, verify that the IP address configuration for the all-in-one is
correct on the computer. If it is correct, delete and then add the all-in-one again.
If the ping command failed, verify that the network  hubs are on, and then verify that the network
settings, the all-in-one, and the computer are all configured for the same network.
5. Have any software programs been added to the network?
Make sure they...

Control-panel display problems
CAUTIONStatic electricity can cause unexpected black lines or dots to appear on the all-in-
one control-panel display. Do not touch the  all-in-one control-panel display if there is a chance
that you have collected a static electric charge (for example, by walking on carpet in a low-
humidity environment).
Unexpected lines or dots might appear on the all-in-one control-panel display, or the display might
become blank if the all-in-one is exposed to an  electric or magnetic...

Troubleshooting PostScript (PS) errors
The following situations are PS language specific and may occur when several all-in-one languages
are being used.
NOTETo receive a printed or screen displayed message when PS errors occur, open the
Print Options  dialog box and click the selection next to the PS Errors section. You can also
use the embedded Web server.
Table 13-3   PS errors
SymptomPossible causeSolution
The job prints in Courier (the all-in-
ones default typeface) instead of the
typeface you...

Troubleshooting common Macintosh problems
Problems with Mac OS X V10.3 and Mac OS X V10.4
Table 13-4  Problems with Mac OS X V10.3 and Mac OS X V10.4
358 Chapter 13   Troubleshooting ENWW
 

Troubleshooting tools
The section describes the tools that can help you solve problems with your all-in-one.
All-in-one pages and reports
This section describes the pages and reports that help you diagnose and solve problems with the all-
in-one.
Demo page
To print the Demo page, complete the following steps.
1. On the all-in-one control panel, press  Menu until the  Reports menu appears, and then press 
.
2. Use the  < or the  > button until  Demo page appears, and then press 
.
Configuration page
The...

Fax reports
This section describes the fax reports that help you diagnose and solve problems with the all-in-one.
NOTEFor more information about fax reports, see Fax logs and reports.
360 Chapter 13   Troubleshooting ENWW
 

Fax activity log
The fax activity log provides a chronological history of the last 40 faxes that were received, sent, or
deleted, and any errors that occurred.
To print the fax activity log
1. On the all-in-one control panel, press  Menu.
2. Use the  < or the  > button to select  Reports, and then press 
.
3. Use the  < or the  > button to select  Fax Activity log , and then press 
.
4. Press 
 to select  Print log now . The all-in-one exits the menu settings and prints the log.
Fax call report
A fax...

Billing-code report
The billing-code report is a printed list of all of the fax billing codes and the total number of faxes that
have been billed to each code.
NOTE After this report is printed, all billing data is deleted.
To print a billing-code report
1.On the all-in-one control panel, press  Menu.
2. Use the  < or the  > button to select  Reports, and then press 
.
3. Use the  < or the  > button to select  Billing report, and then press 
. The all-in-one exits the
menu settings and prints the...