HP LaserJet M9059 Multifunction Printer series - Manual (Page 229)

Vertical white lines
Figure 12-83 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
Supported paper and print media sizes on page 77 .
3. Replace the print cartridge.
Tire tracks
Figure 12-84 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
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
Figure 12-85 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
Supported paper and print media sizes on page 77 .
3. Make sure that the environmental specifications for the device are being met. See Operating
environment on page 236 .
4. Replace the print cartridge.
ENWW Solve print-quality problems 215