HP (Hewlett-Packard) 4000 Series, 4050 Series Printer User Manual


 
7-64 Troubleshooting
Table 7-17. Distorted Image
Possible Cause Action
Paper does not meet
printer specifications
or is stored
improperly.
1. Print a few more pages to see if the problem
corrects itself.
2. Turn over the stack of paper in the tray. Also try
rotating the paper 180°.
3. Check the paper (or other print media) type and
quality. Replace the paper, and advise the customer
to use the recommended paper and store it properly.
Printer’s operating
environment does not
meet specifications.
Make sure the printer’s operating environment meets
specifications.
Wrong output bin for
paper type.
Print to a different output bin.
Poor connection of
cables to the Laser
Scanner.
Reseat the cables connected to the Laser Scanner.
Poor connection of
cables to the Engine
Controller Board.
Reseat the cables connected to the Engine
Controller Board.
Defective Laser
Scanner.
Replace the Laser Scanner.
Defective Engine
Controller Board.
Replace the Engine Controller Board.