Lexmark 4049LMO Service Manual - Page 37

Power-On Self Test (POST), Diagnostic Information 2-10

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 37 highlights

4049-XXX Power-On Self Test (POST) When you turn the printer on, it performs a Power-On Self Test. Check for correct POST functioning by observing the following: 1. One and one half rows of pels appear on the display and then clear. 2. Diamonds fill the display and then clear. 3. The fuser lamp and the fan turn on. [Performing Self Test] appears on the display. Note: The printer may be idle for up to 60 seconds as the fuser warms to operating temperature. Printer idle time is shorter if the fuser is already warm. Note: If the duplex unit is installed, the duplex drive motor turns on for about five seconds just before the Ready screen appears. 4. The ready screen appears on the display. Note: Diagnostics menu appears if you are in diagnostic mode. 5. The drive motor and the mirror motor start. The fan starts to run at high speed. 6. The drive motor runs for approximately ten seconds. The fan runs at high speed, then switches to low speed. If the printer completes all these steps and no error messages are displayed, the printer has successfully completed the POST. Diagnostic Information 2-10

  • 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 Information 2-10
4049-XXX
Power-On Self Test (POST)
When you turn the printer on, it performs a Power-On Self Test.
Check for correct POST functioning by observing the following:
1.
One and one half rows of pels appear on the display and then
clear.
2.
Diamonds fill the display and then clear.
3.
The fuser lamp and the fan turn on. [Performing Self Test]
appears on the display.
Note:
The printer may be idle for up to 60 seconds as the fuser
warms to operating temperature. Printer idle time is shorter if
the fuser is already warm.
Note:
If the duplex unit is installed, the duplex drive motor turns
on for about five seconds just before the Ready screen appears.
4.
The ready screen appears on the display.
Note:
Diagnostics menu appears if you are in diagnostic mode.
5.
The drive motor and the mirror motor start. The fan starts to run
at high speed.
6.
The drive motor runs for approximately ten seconds. The fan
runs at high speed, then switches to low speed.
If the printer completes all these steps and no error messages are
displayed, the printer has successfully completed the POST.