Lexmark 4049LMO Service Manual - Page 65

Auto Clean Delay, Button Test, Charge Roll, Diagnostic Aids 3-4

Get Lexmark 4049LMO - Optra Lx+ B/W Laser Printer PDF manuals and user guides View all Lexmark 4049LMO manuals
Add to My Manuals
Save this manual to your list of manuals

Page 65 highlights

4049-XXX Auto Clean Delay This can be set from 1 to 60 seconds with a default of 1. 1. Enter Diagnostics mode. 2. Select [PRINTER SETUP]. 3. Select [Auto Clean Delay]. 4. Select [+] or [-] to display the delay desired. 5. Select [Save]. 6. Press Return to return to the Diagnostics mode main menu. Button Test To test the operator panel buttons: 1. Enter Diagnostics mode. 2. Select [HARDWARE TESTS]. 3. Select [Button Test]. 4. Press each button. [Closed] is displayed until the button is released. Then [Open] is displayed. 5. Press Return to return to the Diagnostics mode main menu. Charge Roll This setting varies the charge roll bias. It is used to reduce background on the output. In general, if there is background and the environment is hot and humid, change the setting to low; if the environment is cool and dry, change the setting to high. If the background is not reduced, try changing the setting the other way. 1. Enter Diagnostics mode. 2. Select [PRINTER SETUP]. 3. Select [Charge Roll]. 4. Select [High], [Medium] or [Low]. 5. Press Return to return to the Diagnostics mode main menu. Diagnostic Aids 3-4

  • 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
Diagnostic Aids 3-4
4049-XXX
Auto Clean Delay
This can be set from 1 to 60 seconds with a default of 1.
1.
Enter Diagnostics mode.
2.
Select [PRINTER SETUP].
3.
Select [Auto Clean Delay].
4.
Select [+] or [-] to display the delay desired.
5.
Select [Save].
6.
Press Return to return to the Diagnostics mode main menu.
Button Test
To test the operator panel buttons:
1.
Enter Diagnostics mode.
2.
Select [HARDWARE TESTS].
3.
Select [Button Test].
4.
Press each button. [Closed] is displayed until the button is
released. Then [Open] is displayed.
5.
Press Return to return to the Diagnostics mode main menu.
Charge Roll
This setting varies the charge roll bias. It is used to reduce back-
ground on the output. In general, if there is background and the envi-
ronment is hot and humid, change the setting to low; if the
environment is cool and dry, change the setting to high. If the back-
ground is not reduced, try changing the setting the other way.
1.
Enter Diagnostics mode.
2.
Select [PRINTER SETUP].
3.
Select [Charge Roll].
4.
Select [High], [Medium] or [Low].
5.
Press Return to return to the Diagnostics mode main menu.