HP 2500 L Service Manual

EN 6 Troubleshooting179
Accessory error secondary messages 
If the printer has an Accessory error (the Attention light, Ready light, and Go light are blinking), 
press and hold  ( G
O) and  (CANCELJOB) simultaneously to see the secondary error 
message. 
You can also view the embedded Web server, which provides a text message that corresponds 
to the error and its secondary light pattern. For more information about how to use and view the 
embedded Web server, see page 41.
Table 25. Accessory error...

180Troubleshooting C9706-90926
53.x3.zz Printer (DIMM Slot 3) error
The Attention light is on. A problem exists with the DIMM in DIMM slot 3.
Caution: You must turn off the printer before inserting or removing DIMMs to avoid damaging them.
1 Remove the DIMM and reinstall it to make sure that it is correctly installed.
2 Make sure that you are using a supported DIMM. See chapter 7 for ordering information.
3 Move the DIMM to a different DIMM slot. If the DIMM works in a different slot, then DIMM slot 3 is...

EN 6 Troubleshooting181
Service error secondary messages 
If the printer has a service error (Attention light, Ready light, and Go light are on), press and hold 
(G
O) and  ( CANCELJOB) simultaneously to see the secondary error message. 
You can also view the embedded Web server, which provides a text message that corresponds 
to the error and its secondary light pattern. For more information about how to use and view the 
embedded Web server, see page 41.
Table 26. Service error secondary messages...

182Troubleshooting C9706-90926
50.X Fuser error
The Ready and Go lights are on.
1Turn the printer off for approximately 20 to 30 minutes, and then turn the printer back on.
2 If the error persists, replace the fuser (see page 92).
57.x Fan motor error 
The Attention light is blinking.
1Turn the printer off and then back on.
2 Turn the printer off, and then reseat the cable that connects the fan and the formatter.
3 Replace the fan (see page 115).
4 Replace the dc controller.
64 Scan buffer error
The Go...

EN 6 Troubleshooting183
Solving image-quality problems
If your document is printing but the quality is not what you expected, start by using the print-
quality checklist. 
Print-quality checklist 
General print-quality problems can be solved by following the checklist below. 
1Check the printer driver to make sure that you are using the best available print-quality 
option, or return to the default settings. See the user guide for more information about print-
quality options. 
2 Make sure that the paper...

184Troubleshooting C9706-90926
Solving image-quality problems (all print jobs) 
The examples below depict letter-size paper that has passed through the printer short-edge first. 
These examples illustrate problems that would affect all pages you print, whether you print in 
color or in black only. The topics that follow list the typical cause and solution for each of these 
examples.
Light print or fade
Toner specksDropouts Vertical lines
Gray background
Toner smearLoose toner
Repetitive defects on the...

EN 6 Troubleshooting185
Light print or fade 
A vertical streak or an incorrect or faded color area appears on the page.

The paper might not meet HP ’s paper specifications (for example, the paper is too moist or 
too rough). See the user guide for information about print-media specifications.

One or more print cartridges are low. If you are using non-HP print cartridges, no messages 
appear on the printer control panel or in the embedded Web server.

The imaging drum might be low or empty. Print the...

186Troubleshooting C9706-90926
Vertical lines 
Vertical streaks or bands appear on the page. 

One or more print cartridges are low or defective. Print the Supplies Status page to check 
remaining life. If you are using non-HP print cartridges, no messages appear on the printer 
control panel or in the embedded Web server.

Clean the printer using a cleaning page. Open the HP Color LaserJet 2500 Series Toolbox to 
use the cleaning page. See “To use a cleaning page ” on page 53 for details.

Use the tools...

EN 6 Troubleshooting187
Loose toner
Toner smears easily when touched.

In the printer driver, select the  Paper tab and set Ty p e  i s  to match the type of paper on 
which you are printing. Print speed might be slower if you are using heavy paper. For UNIX, 
Linux, and OS/2, this feature is available in the embedded Web server if the printer is 
connected to a network.

Check the paper type and quality. Use a different paper, such as high-quality paper intended 
for laser printers. See the user guide...

188Troubleshooting C9706-90926
Curl or wave

Turn over the stack of paper in the tray. Also try rotating the paper 180 degrees in the input 
tray.

Set the correct Type in the printer driver. Heavier paper might take longer to print.

Open the rear output door to print to the straight-through paper path.

Check the paper type and quality. Both high temperature and humidity will cause paper curl. 
Use a different paper, such as high-quality paper intended for laser printers. See the user 
guide for...