HP LaserJet 4345 Multifunction Printer series - Manual (Page 242)

2. Make sure that the type and quality of the paper that you are using meet HP
specifications. (See Print media specifications .)
3. Make sure that the environmental specifications for the MFP are being met. (See
Environmental specifications .)
4. If paper is lightweight and smooth, open the CONFIGURE DEVICE menu at the control
panel. On the PRINT QUALITY submenu, select FUSER MODES, and then select the
paper type you are using. Change the setting to LOW 1, which helps reduce the heat in
the fusing process. (See
Print quality submenu .) You must also set the type of paper for
the tray you are using. (See Printing by type and size of media (locking trays) .)
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 MFP are being met. (See
Environmental specifications .)
3. Turn over the stack of paper in the tray. Also, try rotating the paper 180°.
4. Make sure that paper is loaded correctly and all adjustments have been made. (See
Loading input trays .)
5. Make sure that the type and quality of the paper that you are using meet HP
specifications. (See Print media specifications .)
6. If envelopes are creasing, try storing envelopes so that they lie flat.
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 paper that you are using meet HP
specifications. (See Print media specifications .)
3. Replace the print cartridge.
228 Chapter 10 Solving problems ENWW