Brother International MFC 8890DW Users Manual - English - Page 151

Examples of poor print, and graphics - drum cartridge

Page 151 highlights

Troubleshooting and routine maintenance Examples of poor print quality Recommendation „ Make ten copies of a blank, white sheet of paper. (See Making multiple copies on page 84.) If the problem is not solved, the drum unit may have glue from a label stuck on the OPC drum surface. Clean the drum unit. (See Cleaning the drum unit on page 157.) C „ The drum unit may be damaged. Put in a new drum. (See Replacing the drum unit on page 163.) White Spots on black text and graphics at 3.7 in. (94 mm) intervals Black Spots at 3.7 in. (94 mm) intervals ABCDEFGH abcdefghijk ABCD abcde 01234 Faint ABCDEFGH abcdefghijk ABCD abcde 01234 Toner specks „ Check the machine's environment. Conditions such as humidity, high temperatures, and so on, may cause this print fault. (See Choosing a location on page 104.) „ If the whole page is too light, Toner Save mode may be on. Turn off Toner Save mode in the machine menu settings or Toner Save mode in the printer Properties of the driver. (See Toner Save on page 27 or Advanced tab in the Software User's Guide on the CD-ROM.) „ Clean the scanner window and the corona wire of the drum unit. (See Cleaning the laser scanner window on page 154 and Cleaning the corona wire on page 156.) „ The toner cartridge may be damaged. Put in a new toner cartridge. (See Replacing a toner cartridge on page 160.) „ The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page 163.) „ Make sure that you use paper that meets our specifications. Roughsurfaced paper may cause the problem. (See Acceptable paper and other print media on page 14.) „ Clean the corona wire and the drum unit. (See Cleaning the corona wire on page 156 and Cleaning the drum unit on page 157.) „ The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page 163.) „ The fuser unit may be contaminated. Call Brother Customer Service at 1-877-BROTHER (1-877-276-8437) (in USA) or 1-877-BROTHER (in Canada). 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
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
  • 207
  • 208
  • 209
  • 210
  • 211
  • 212
  • 213
  • 214
  • 215
  • 216
  • 217
  • 218
  • 219
  • 220
  • 221
  • 222
  • 223
  • 224
  • 225
  • 226
  • 227
  • 228
  • 229
  • 230
  • 231
  • 232
  • 233
  • 234
  • 235
  • 236
  • 237
  • 238
  • 239
  • 240

Troubleshooting and routine maintenance
135
C
White Spots on black text
and graphics at
3.7 in.
(94 mm) intervals
Black Spots at 3.7 in.
(94 mm) intervals
Make ten copies of a blank, white sheet of paper. (See
Making
multiple copies
on page 84.) If the problem is not solved, the drum
unit may have glue from a label stuck on the OPC drum surface.
Clean the drum unit. (See
Cleaning the drum unit
on page 157.)
The drum unit may be damaged. Put in a new drum. (See
Replacing
the drum unit
on page 163.)
Faint
Check the machine’s environment. Conditions such as humidity, high
temperatures, and so on, may cause this print fault. (See
Choosing a
location
on page 104.)
If the whole page is too light, Toner Save mode may be on. Turn off
Toner Save mode in the machine menu settings or
Toner Save
mode
in the printer
Properties
of the driver. (See
Toner Save
on page 27
or
Advanced tab
in the
Software User’s Guide
on the CD-ROM.)
Clean the scanner window and the corona wire of the drum unit. (See
Cleaning the laser scanner window
on page 154 and
Cleaning the
corona wire
on page 156.)
The toner cartridge may be damaged. Put in a new toner cartridge.
(See
Replacing a toner cartridge
on page 160.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit
on page 163.)
Toner specks
Make sure that you use paper that meets our specifications. Rough-
surfaced paper may cause the problem. (See
Acceptable paper and
other print media
on page 14.)
Clean the corona wire and the drum unit. (See
Cleaning the corona
wire
on page 156 and
Cleaning the drum unit
on page 157.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit
on page 163.)
The fuser unit may be contaminated. Call Brother Customer Service
at 1-877-BROTHER (1-877-276-8437)
(in USA)
or 1-877-BROTHER
(in Canada)
.
Examples of poor print
quality
Recommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
CDEF
defg
BC
bcd
23
ABCDEFGH
abcdefghijk
ABCD
abcde
01234