HP LaserJet M4345 Multifunction Printer series - Manual (Page 226)

Curl or wave
1. Turn over the stack in the tray. Also, try rotating the stack 180°.
2. Make sure that the type and quality of the media you are using meet HP specifications. (See
Select print media .)
3. Make sure that the environmental specifications for the device are being met. (See Printing and
paper-storage environment .)
4. Try printing to a different output bin.
5. If media is lightweight and smooth, open the Administration menu at the device control panel.
On the Print Quality submenu, touch 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.
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 .
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 .
5. Make sure that the type and quality of the media you are using meet HP specifications. See
Select print media .
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.
214 Chapter 11 Problem solving ENWW