HP LaserJet MFP M139-M142 User Guide - Page 62

Troubleshoot print quality problems, System, System Setup, Apply, Very Low

Get HP LaserJet MFP M139-M142 PDF manuals and user guides View all HP LaserJet MFP M139-M142 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 62 highlights

2. Click the System tab, and then select System Setup from the left navigation pane. 3. Select the correct density settings. 4. Click Apply to save the changes. Troubleshoot print quality problems The following information provides common troubleshooting steps for solving image defect issues and examples of specific image defects and steps to resolve these defects. Table 8-8 Image defects and quick reference to solutions Image defect Quick reference Image defect Quick reference Light print Table 8-9 Light print Gray background or dark print Table 8-10 Gray background or dark print Blank pages Table 8-11 Blank page - No print Black pages Table 8-12 Black page Dark or light bands Table 8-13 Banding defects Dark or light streaks Table 8-14 Streak defects Missing toner Table 8-15 Fixing/fuser defects Skewed images Table 8-16 Image placement defects Colors that do not align Table 8-17 Color plane registrations defects (color models only) Curled paper Table 8-18 Output defects Image defects, no matter the cause, can often be resolved using the same steps. Use the following steps as a starting point for solving image defect issues. 1. Reprint the document. Print quality defects can be intermittent in nature or can go away completely with continued printing. 2. Check the condition of the cartridge. If a cartridge is in a Very Low state (it has passed the rated life), replace the cartridge. 3. Make sure that the driver and tray print mode settings match the media that is loaded in the tray. Try using a different ream of media or a different tray. Try using a different print mode. 4. Make sure that the printer is within the supported operating temperature/humidity range. 5. Make sure that the paper type, size, and weight are supported by the printer. See the printer support page at www.hp.com/support for a list of the supported paper sizes and types for the printer. NOTE: The term "fusing" refers to the part of the printing process where toner is affixed to paper. The following examples depict letter-size paper that has passed through the printer short-edge first. Troubleshoot print quality problems 53

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
2.
Click the
System
tab, and then select
System Setup
from the left navigation pane.
3.
Select the correct density settings.
4.
Click
Apply
to save the changes.
Troubleshoot print quality problems
The following information provides common troubleshooting steps for solving image defect issues and examples
of specific image defects and steps to resolve these defects.
Table 8-8
Image defects and quick reference to solutions
Image defect
Quick reference
Image defect
Quick reference
Light print
Table 8-9
Light print
Gray background or dark print
Table 8-10
Gray background or
dark print
Blank pages
Table 8-11
Blank page — No
print
Black pages
Table 8-12
Black page
Dark or light bands
Table 8-13
Banding defects
Dark or light streaks
Table 8-14
Streak defects
Missing toner
Table 8-15
Fixing/fuser defects
Skewed images
Table 8-16
Image placement
defects
Colors that do not align
Table 8-17
Color plane
registrations defects (color
models only)
Curled paper
Table 8-18
Output defects
Image defects, no matter the cause, can often be resolved using the same steps. Use the following steps as a
starting point for solving image defect issues.
1.
Reprint the document. Print quality defects can be intermittent in nature or can go away completely with
continued printing.
2.
Check the condition of the cartridge. If a cartridge is in a
Very Low
state (it has passed the rated life), replace
the cartridge.
3.
Make sure that the driver and tray print mode settings match the media that is loaded in the tray. Try using
a different ream of media or a different tray. Try using a different print mode.
4.
Make sure that the printer is within the supported operating temperature/humidity range.
5.
Make sure that the paper type, size, and weight are supported by the printer. See the printer support page
at
www.hp.com/support
for a list of the supported paper sizes and types for the printer.
NOTE:
The term “fusing” refers to the part of the printing process where toner is affixed to paper.
The following examples depict letter-size paper that has passed through the printer short-edge first.
Troubleshoot print quality problems
53