HP Officejet Pro 8500 User Manual

Media is not picked up from a tray
• Make sure media is loaded in the tray, not in the automatic document feeder. Formore information, see 
Load media . Fan the media before loading.
• Make sure the paper guides are set to the correct markings in the tray for the media size you are loading. Also make sure the guides are snug, but not tight,
against the stack.
• Make sure media in the tray is not curled. Uncurl paper by bending it in the opposite direction of the curl.
• When using thin special media,...

• Make sure the tray is not overloaded with paper.
• When using thin special media, make sure that the tray is completely loaded. If youare using special media that is only available in small quantities, try placing the
special media on top of other paper of the same size to help fill the tray. (Some
media is picked up more easily if the tray is full.)
• If you are using thick special media (such as brochure paper), load media so that the tray is between 1/4 and 3/4 full. If necessary, place the media on...

Documents are missing or faded
•Check the media
The media might not meet Hewlett-Packard media specifications (for example, the
media is too moist or too rough). See 
Select print media  for more information.
• Check the settings
The quality setting of  Fast (which produces draft-quality copies) might be
responsible for the missing or faded documents. Change to the  Normal or Best
setting.
• Check the original
◦The accuracy of the copy depends on the quality and size of the original. Use
the Copy  menu...

•Unwanted lines
The scanner glass, lid backing, or frame might need cleaning. See 
Clean the
device  for more information.
• Black dots or streaks
Ink, glue, correction fluid, or an unwanted  substance might be on the scanner
glass or lid backing. Try cleaning the device. See 
Clean the device  for more
information.
• Copy is slanted or skewed
◦Make sure that the ADF input tray is not too full.
◦ Make sure that the ADF width adjusters are snug against the sides of the media.
• Unclear text
◦Try adjusting...

NOTE:If you are starting the scan from a computer, see the software Help for
troubleshooting information.
•Scanner did nothing
•
Scan takes too long
•
Part of the document did not scan or text is missing
•
Text cannot be edited
•
Error messages appear
•
Scanned image quality is poor
•
Scan defects are apparent
Scanner did nothing
• Check the original
Make sure that the original is loaded correctly. For more information, see 
Load the
originals .
• Check the device
The device might be coming out of...

Part of the document did not scan or text is missing
•Check the original
◦Make sure that you loaded the original correctly. For more information, see
Load the originals .
◦ If you scanned the document from the ADF, try scanning the document directly
from the scanner glass. For more information, see 
Load an original on the
scanner glass .
◦ Colored backgrounds can cause images in  the foreground to blend into the
background. Try adjusting the settings before  you scan the original, or try
enhancing the...

Error messages appear
•Unable to activate TWAIN source  or An error occurred while acquiring the
image
◦ If you are acquiring an image from another device, such as a digital camera or
another scanner, make sure that the other device is TWAIN-compliant. Devices
that are not TWAIN-compliant do not work with the device software.
◦ If you are using a USB connection, make sure that you have connected the
USB Device Cable to the correct port on the back of your computer.
◦ Verify that the correct TWAIN source...

Graphics look different from the original
Scan at a higher resolution.
NOTE:Scanning at high resolution can take a long time, and it can take up a
large amount of space on your computer.
Take steps to improve the scan quality
◦ Use the glass to scan rather than the ADF.
◦ Use high-quality originals.
◦ Place the media correctly. If the media is placed incorrectly on the scanner glass, it
might skew, which causes unclear images. For more information, see 
Load the
originals .
◦ Adjust the software settings...

Solve fax problems
This section contains fax setup troubleshooting information for the device. If the device
is not set up properly for faxing, you might experience problems when sending faxes,
receiving faxes, or both.
If you are having faxing problems, you can print a fax test report to check the status of
the device. The test will fail if the device is not set up properly for faxing. Perform this
test after you have completed setting up the device for faxing. For more information,
see 
Test fax setup...

The Fax Hardware Test failedSolution:
• Turn off the device by using the  Power button located on the device control
panel and then unplug the power cord from  the back of the device. After a few
seconds, plug the power cord in again, and then turn the power on. Run the
test again. If the test fails again, continue reviewing the troubleshooting
information in this section.
• Try to send or receive a test fax. If you can send or receive a fax successfully, there might not be a problem.
• If you are...