HP LaserJet M4349 Multifunction Printer series - Manual (Page 222)

Wrinkles or creases
1. Print a few more pages to see if the problem corrects itself.
2. Make sure that the environmental specifications for the device are being met. See Printing and
paper-storage environment on page 77 .
3. Turn over the stack in the tray. Also, try rotating the stack 180°.
4. Make sure that media is loaded correctly and all adjustments have been made. See Load media
on page 78 .
5. Make sure that the type and quality of the media you are using meet HP specifications. See Select
print media on page 72 .
6. If envelopes are creasing, try storing envelopes so that they lie flat.
If the above actions do not improve wrinkles or creases, open the Administration menu at the device
control panel. On the Print Quality submenu, select Fuser Modes , and then select the media type you
are using. Change the setting to Low , which helps reduce the heat in the fusing process.
Vertical white lines
1. Print a few more pages to see if the problem corrects itself.
2. Make sure that the type and quality of the media you are using meet HP specifications. See Select
print media on page 72 .
3. Replace the print cartridge.
Tire tracks
A
A
A
A
A
B
B
B
B
B
C
C
C
C
C
a
a
a
a
a
c
c
c
c
c
b
b
b
b
b
208 Chapter 11 Problem solving ENWW