Brother International MFC 7440N Users Manual - English - Page 143

Put the drum unit and toner cartridge, may have a vertical stripe.

Page 143 highlights

e Pull off the protective cover. f Put the new toner cartridge firmly into the drum unit until you hear it lock into place. If you put it in properly, the lock lever will lift automatically. Troubleshooting and routine maintenance CAUTION Be sure to return the green tab to the home position (a) (1). If you do not, printed pages may have a vertical stripe. h Put the drum unit and toner cartridge assembly back in the machine. CAUTION Make sure that you put in the toner cartridge properly or it may separate from the drum unit. g Clean the corona wire of the drum unit by gently sliding the green tab from right to left and left to right several times. i Close the front cover. CAUTION DO NOT turn off the machine's power switch or open the front cover until the LCD returns to the standby state. 1 B 129

  • 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

Troubleshooting and routine maintenance
129
B
e
Pull off the protective cover.
f
Put the new toner cartridge firmly into
the drum unit until you hear it lock into
place. If you put it in properly, the lock
lever will lift automatically.
CAUTION
Make sure that you put in the toner
cartridge properly or it may separate from
the drum unit.
g
Clean the corona wire of the drum unit
by gently sliding the green tab from right
to left and left to right several times.
CAUTION
Be sure to return the green tab to the home
position (
a
) (1). If you do not, printed pages
may have a vertical stripe.
h
Put the drum unit and toner cartridge
assembly back in the machine.
i
Close the front cover.
CAUTION
DO NOT turn off the machine’s power
switch or open the front cover until the LCD
returns to the standby state.
1