HP M4345 User Guide - Page 227

Vertical white lines, Tire tracks, White spots on black

Page 227 highlights

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 Select print media. 3. Replace the print cartridge. Tire tracks AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc 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 Select print media. 3. Make sure that the environmental specifications for the device are being met. See Printing and paper-storage environment. 4. Replace the print cartridge. ENWW Solve print-quality problems 215

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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
Select
print
media
.
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
Select
print
media
.
3.
Make sure that the environmental specifications for the device are being met. See
Printing
and
paper-storage
environment
.
4.
Replace the print cartridge.
ENWW
Solve print-quality problems
215