- Hewlett-Packard LaserJet Printer User's Guide

100 Chapter 8 – Problem solving EN
Repeating image
This type of defect might occur when using preprinted forms or printing a large quantity
of narrow media.
1 Print a few more pages to see if the problem corrects itself.
2 Make sure that paper type and quality meet HP specifications (see “Paper
specifications” on page 113).
3 If you observe that this type of defect occurs on wide paper (such as letter- or A4-
size paper) just after printing on narrow media (such as envelopes), you can set
SMALL PAPER SPEED on the Paper Handling menu to
SLOW.
4 Maintenance might be due. Check this by printing a copy of the supplies status page
(see “Information menu” on page 37). If maintenance is due, order and install the
printer maintenance kit (see “Performing preventative maintenance” on page 76).
Misformed characters
1 Print a few more pages to see if the problem corrects itself.
2 Make sure that the environmental specifications for the product are met (see
“General specifications” on page 124).
3 Maintenance might be due. Check this by printing a copy of the supplies status page
(see “Information menu” on page 37). If maintenance is due, order and install the
printer maintenance kit (see “Performing preventative maintenance” on page 76).
Curl or wave
1 Turn over the stack of paper in the tray. Also, try rotating the paper 180 degrees.
2 Make sure that paper type and quality meet HP specifications (see “Paper
specifications” on page 113).
3 Make sure that the environmental specifications for the product are met (see
“Product specifications” on page 122).
4 Try printing to a different output bin.
If the media being used is lightweight and smooth, try using a low fuser mode to reduce
the heat in the fusing process.
Page skew
1 Print a few more pages to see if the problem corrects itself.
2 Verify that there are no torn pieces of paper inside the product.
3 Make sure that paper is loaded correctly, all adjustments have been made, and the
paper is tucked under the corner tabs (see “Loading Tray 1” on page 23 and
“Loading Tray 2 and optional Trays 3 and 4” on page 24).
4 Make sure that the job is loaded in the ADF properly, and that there are no folded
corners in the stack.
5 Turn over the stack of paper in the tray. Also, try rotating the paper 180 degrees.
6 Make sure that paper type and quality meet HP specifications (see “Paper
specifications” on page 113).
7 Make sure that the environmental specifications for the product are met (see
“General specifications” on page 124).