Vertical white lines, Tire tracks, White spots on black – HP LaserJet M3027 Multifunction Printer series User Manual
Page 198: White spots on, Black
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
.
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
.
3.
Make sure that the environmental specifications for the device are being met. See
.
4.
Replace the print cartridge.
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Chapter 11 Problem solving
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