HP LaserJet 8000 Multifunction Printer series - Manual (Page 211)

Chapter 5 Problem Solving 211
Determining Printer Problems
Problems with the Optional Duplex Printing Accessory
Printer does not
recognize the duplexer
z
Remove and re-install the unit.
z
Be sure that the duplexer has been configured in the printer driver.
z
Print a configuration page to check that the unit is present.
Job did not duplex
z
Check that the duplexer is installed.
z
Be sure the duplexer has been configured in the printer driver.
z
Make sure that the software is not overriding the printer driver setting.
Duplexer jams
z
Ensure that you are using the supported paper weights (page 256 ).
Problems with the Optional Envelope Feeder
Situation Solution
Envelope jams and
envelope feeding
problems.
z
Make sure the envelopes are within the specifications listed on
page
267 .
z
Make sure the envelopes are properly loaded.
z
Make sure the envelope weight on the feeder is down.
z
Make sure the Optional Envelope Feeder extension is fully pulled
out.
Multiple envelopes feed
into the printer.
z
The first envelope to be fed must be closer to the pick up roller
than the others.