HP LaserJet MFP M433 User Guide - Page 143

Condition, Example, Suggested solutions, White Spots, Vertical lines, Black or color background

Get HP LaserJet MFP M433 PDF manuals and user guides View all HP LaserJet MFP M433 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 143 highlights

Condition White Spots Example Vertical lines Black or color background Toner smear Vertical repetitive defects Suggested solutions If white spots appear on the page: ● The paper is too rough and a lot of dirt from paper falls to the inner components within the machine, so the transfer roller may be dirty. Clean the inside of your machine. ● The paper path may need cleaning. Clean the inside of your machine. If these steps do not correct the problem, contact a service representative. If black vertical streaks appear on the page: ● The surface (drum part) of the cartridge inside the machine has probably been scratched. Remove the cartridge and install a new one. If white vertical streaks appear on the page: ● The surface of the LSU part inside the machine may be dirty. Clean the inside of your machine. If cleaning does not correct the problem, contact a service representative. ● Change to a lighter weight paper. ● Check the environmental conditions: very dry conditions or a high level of humidity (higher than 80% RH) can increase the amount of background shading. ● Remove the old toner cartridge and install a new one. ● Thoroughly redistribute the toner. ● Clean the inside of the machine. ● Check the paper type and quality. ● Remove the toner cartridge and install a new one. If marks repeatedly appear on the printed side of the page at even intervals: ● The toner cartridge may be damaged. If you still have the same problem, remove the toner cartridge and, install a new one . ● Parts of the machine may have toner on them. If the defects occur on the back of the page, the problem will likely correct itself after a few more pages. ● The fusing assembly may be damaged. Contact a service representative. ENWW Printing quality problems 135

  • 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
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
Condition
Example
Suggested solutions
White Spots
If white spots appear on the page:
●
The paper is too rough and a lot of dirt from paper falls to the
inner components within the machine, so the transfer roller
may be dirty. Clean the inside of your machine.
●
The paper path may need cleaning. Clean the inside of your
machine.
If these steps do not correct the problem, contact a service
representative.
Vertical lines
If black vertical streaks appear on the page:
●
The surface (drum part) of the cartridge inside the machine
has probably been scratched. Remove the cartridge and install
a new one.
If white vertical streaks appear on the page:
●
The surface of the LSU part inside the machine may be dirty.
Clean the inside of your machine. If cleaning does not correct
the problem, contact a service representative.
Black or color background
●
Change to a lighter weight paper.
●
Check the environmental conditions: very dry conditions or a
high level of humidity (higher than 80% RH) can increase the
amount of background shading.
●
Remove the old toner cartridge and install a new one.
●
Thoroughly redistribute the toner.
Toner smear
●
Clean the inside of the machine.
●
Check the paper type and quality.
●
Remove the toner cartridge and install a new one.
Vertical repetitive defects
If marks repeatedly appear on the printed side of the page at even
intervals:
●
The toner cartridge may be damaged. If you still have the
same problem, remove the toner cartridge and, install a new
one .
●
Parts of the machine may have toner on them. If the defects
occur on the back of the page, the problem will likely correct
itself after a few more pages.
●
The fusing assembly may be damaged. Contact a service
representative.
ENWW
Printing quality problems
135