HP (Hewlett-Packard) LJ 4000T Printer User Manual


 
EN Numerical messages 69
1
1 Check the duplexer and the rear area of the printer for obstructions
or damage.
2 In the duplexer, check PS701 and PS703 for proper operation.
3 Replace the duplexer if a sensor is defective.
1 Remove all media in the paper path, and then open and close the
top cover.
2 If the message persists after all media is removed:
Check whether the media is jammed in the prefeed area
(PS102).
Check PS102, PS103, PS107, and PS108 for proper operation.
Replace any defective sensors or flags.
1 Clear the jam and close the top door.
2 If the message persists, check the top door switch (SW101) for
proper operation.
1 Remove jammed media from the specified location.
2 Verify that the paper tray is fully closed.
3 Inspect the feed and separation rollers, and replace if necessary.
4 Ensure that there is no obstruction in the path, such as a torn piece
of media.
5 Open and close the top cover to clear the message.
6 Check sensors and flags for proper operation.
13.10 Paper jam check duplexer alternates with
Open and close top cover
13.20 Paper jam check rear door alternates with
Open and close top cover open input trays
13.21 Door open jam
13.99 Paper jam [location]