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


 
68 Chapter 1 Control-panel messages EN
1 Ensure that the paper trays are loaded properly so that media can
feed from the trays.
If multiple sheets are feeding, fan the media, and reduce the
stack height.
Ensure that the media does not exceed the maximum length
(356 mm/14 inches).
Rotate the media in the input tray by 180°.
2 Check the input area for obstructions, such as media in the paper
path or damage to the registration assembly.
3 Verify that the transfer roller is positioned correctly.
4 Check PS102 and PS103 for proper operation.
5 Replace any defective sensors or flags.
6 Check the pickup feed and separation rollers for unusual wear, and
replace as needed.
7 Verify that the fuser is properly installed.
1 Check the transfer roller and small media belt to ensure that the
roller and belt are operating and can feed the media.
2 Check the paper path for obstructions at the transfer roller, toner
cartridge, paper-feed guide, fuser, and output/delivery area.
3 Check PS107 and PS108 for proper operation. Replace any
defective sensors or flags.
4 Turn the media stack over, or rotate the stack by 180° in the input
tray.
13.1 Paper jam open input trays
13.2 Paper jam open input trays
13.5 Paper jam check rear door alternates with
Open and close top cover
13.6 Paper jam check rear door
alternates with
Open and close top cover