HP LaserJet M3027 Multifunction Printer series - Manual (Page 198)

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 Media
considerations on page 58 .
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
This defect typically occurs when the print cartridge has far exceeded its rated life. For example, if you
are printing a very large quantity of pages with very little toner coverage.
1. Replace the print cartridge.
2. Reduce the number of pages that you print with very low toner coverage.
White spots on black
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 Media
considerations on page 58 .
3. Make sure that the environmental specifications for the device are being met. See Operating
environment on page 221 .
4. Replace the print cartridge.
186 Chapter 11 Problem solving ENWW